srf U. S. DEPARTMENT OF THE INTERIOR PROTOTYPE OIL SHALE LEASING PROGRAM BLdT Library D-553A, Building 50 Denver Federal Canter OIL SHALE TRACT C-b P.O. Box 25047 Denver, CO a0225-noA-> INTERIM MONITORING REPORT ** uu*7 (November 1976 Through August 1977) Submitted to: Mr. Peter A. Rutledge Area Oil Shale Supervisor Conservation Division U.S. Geological Survey Grand Junction, Colorado By: C-b Shale Oil Venture Ashland Colorado, Inc. Occidental Oil Shale, Inc., Operator October 14, 1977 TABLE OF CONTENTS BY VOLUNE NUMBER Volume Number Table of Contents INTRODUCTION T. PRE -EXPLORATION ENVIRONMENTAL RECONNAISSANCE SURVEY'S II. ENVIRONMENTAL BASELINE MONITORING PROGRAMS A. Hydrology and Water Quality 1. Streams 2. Springs and Seeps 3. Ground Water Air Quality 1. Air Quality and Surface Meteorology Lok Altitude Meteorology Upper Air Studies Visibility Atmospheric Diffusion Studies I, II, III, iv — References Biology 1. Terrestrial Wildlife Studies 2. Aquatic Studies 3. Terrestrial Vegetation Studies 4. Soil Survey and Productivity Assess- ment Studies IV OTHER STUDIES Fish and Wildlife Management Plan (inactive) Revegetation Program Microenvironmental Program Aerial Photographic Program (inactive) Archaeological Studies (inactive) Scenic Values Program (inactive) DCN 77-100-484-7-171-01 (100-152) AIR MONITORING REPORT FOR C-b SHALE OIL PROJECT JUNE 1977 Report No. 34 26 August 1977 Presented to : C-b Shale Oil Project United Bank Tower Denver, Colorado 80202 Prepared by : Radian Staff II B-1753 8500 Shoal Creek Blvd. P. O Box 9948/Austin. Texas 78766 (512)454-4797 CORPORATION TABLE OF CONTENTS Page . I. GENERAL DESCRIPTION OF AIR MONITORING PROGRAM II B-1762 II. DESCRIPTION OF INSTRUMENT SYSTEMS -1764 A. Air Quality Instrumentation -1764 B. Calibration Procedures -1765 C. Data Acquisition System -1767 D. Meteorological Instrumentation -1768 III. MICROMETEOROLOGICAL AND TERRAIN FEATURES -1774 IV. OPERATING TIME ANALYSIS FOR EACH SITE -1776 V. MONTHLY METEOROLOGICAL SUMMARY -1780 A. Summary of the Meteorological Conditions over North America during June 1977 -1780 B. Summary of the Meteorological Conditions in Northwestern and West Central Colorado during June 1977 -1783 C. Summary of the Meteorological Conditions in the Oil Shale Tract C-b Region during June 1977- -1784 VI. DATA PRESENTATION AND SUMMARY---- -1788 II B-1754 RADIAN! CORPO RATION I LIST OF TABLES Page TABLE I TABLE II TABLE III DOWNTIME HOURS FOR C-b SHALE OIL PROJECT Site 023 II Site 023 Site 023 FEDERAL AND COLORADO STANDARDS AVERAGES FOR JUNE 1 THRU 30 Nitrogen Oxides (NO ) Nitric Oxide (NO) Nitrogen Dioxide (N02) Sulfur Dioxide (S02) Py r anome t er Sulfur Dioxide (S02) Total Hydrocarbons Methane Non - Me thane Hy dr o c arb on s Carb on Monoxi de - ■ Ozone Barometric Pressure Total Precipitation- . ..-- Particulate- •-- Wind Speed ■ ■ •- Wind Direction ■ Relative Humidity Temperature 1777 1778 1779 1794 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1796 -1797 -1797 -1797 -1797 II B-1755 LIST OF TABLES (contd) Page v TABLE IV TABLE V DAILY AVERAGES FOR JUNE 1 THRU 30 Nitrogen Oxides (N0x) II B-1799 Nitric Oxide (NO) -1799 Nitrogen Dioxide (N02) -1799 Sulfur Dioxide (S02) -1800 Pyranome t er - 1800 Sulfur Dioxide (S02) -1800 Total Hydrocarbons -1801 Methane -- -1801 Non-Methane Hydrocarbons -1801 Carbon Monoxide -1802 Oz one ■ - -1802 Barometric Pressure -1802 Total Precipitation -1803 Parti cul ate -180 3 Wind Speed -1804 (^ Wind Direction -1805 Temp er at ure - 1806 MAXIMUM FIVE-MINUTE AVERAGES AND TIME OF OCCURRENCE FOR JUNE 1 THRU 30 Nitrogen Oxides (NO )- ■-- -1808 Nitric Oxide (NO) __„_ -1809 Nitrogen Dioxide (N02 ) — — -1810 Sulfur Dioxide (S02) -1811 Pyranometer -1812 Sulfur Dioxide (S02) -1813 Total Hydrocarbons -1814 Methane ■ ■ -1815 Non-Methane Hydrocarbons -1816 Carbon Monoxide -1817 Ozone -1818 ^* Barometric Pressure -1819 II B-1756 C O 3? £> o 5? .ar i o w LIST OF TABLES (contd) Page Solar Radiation II B-1871 Barometric Pressure -1872 Horizontal Bi-Vane Wind Direction at 200 feet -1873 Vertical Bi-Vane Wind Direction at 200 feet -1874 Nitrogen Oxides -1876 Nitric Oxide •--- -1877 Nitrogen Dioxide -1878 Sulfur Dioxide - -1879 Sulfur Dioxide -1880 Total Hydrocarbons ■ -1881 Methane -18S2 Non-Methane Hydrocarbons ■ -1883 Carbon Monoxide -1884 Ozone -1885 Hourly Total Precipitation -1886 Wind Speed at 8 feet -1887 30 feet-«- -188S 100 feet -1889 200 feet -1890 Wind Direction at 8 feet--- -1891 30 feet---- -___-_- -1892 100 feet ■- (missing) 200 feet (missing) Temperature at 8 feet--- -1893 30 feet -1894 100 feet -1895 Barometric Pressure -1896 II B-175S LIST OF TABLES (contd) Page Solar Radiation II B-1897 Horizontal Bi-Vane Wind Direction at 200-feet -1875 Stability Class Determination Using Pyranometer Recording -1898 APPENDIX A - STABILITY WIND ROSE DIAGRAMS -1900 8-foot level - Stability Class A -1903 Class B -1904 Class C -1905 Class D -1906 Class E -1907 Total -1908 30-foot level - Stability Class A -1909 Class B -1910 Class C -1911 Class D -1912 Class E -1913 Total-- -1914 100-foot level - Stability Class A -1915 Class B--- . -1916 Class C — -1917 Class D -1918 Class E -1919 Total -1920 200-foot level - Stability Class A -1921 Class B -1922 Class C -1923 Class D--- -1924 Class E -1925 Total--- -1926° II B-1760 C O R £>© RiaV 3 O M LIST OF TABLES (contd) Page Percentage of Occurrence of Wind Direction for 8-foot level-- II B-1927 30-foot level -1928 100-foot level -1929 200-foot level ■ -1930 II B-1761 I . GENERAL DESCRIPTION OF AIR MONITORING PROGRAM Radian Corporation, under contract to the C-b Oil Shale Project, is performing the data compilation and reporting of air quality and meteorological data at one monitoring site in Northwest Colorado. The site measures and records concen- trations of particulates, sulfur dioxide, oxides of nitrogen, hydrogen sulfide, total hydrocarbons, methane, and carbon monoxide. A 200-foot meteorological tower provides wind direction, wind speed, temperature, and relative humidity data at four levels (8, 30, 100, and 200 feet). Other meteorological variables measured at the tower site are insolation, barometric pressure, and precipitation. Figure I shows the configuration of the monitoring station. The station provides a sturdy and protective covering for the monitoring equipment. II B-1762 < .1 \ I j r* t i i i i ! i L, 1 . _-C--i- — i — i i ! a ..JJ. ! o 2 H a a L 1 Ti i j— 1 1 1 H < O UJ e* <=C~ i <=C «=f II B-1765 II. DESCRIPTION OF INSTRUMENT SYSTEMS A. Air Quality Instrumentation Nitrogen oxides are measured with a Meloy Model NA520 analyzer. This dual-channel analyzer is based on the chemilu- minescent principle and continuously monitors both NO and NO. A subtraction circuit in the instrument provides a continuous N02 output, but is not used in Radian's system. N02 is cal- culated once a second by the computer by subtracting the NO value from the NO value, thus avoiding any drift which might occur in the N02 output of the instrument. This instrument has a minimum detectable sensitivity of 5 ppb (parts per billion) and a linearity of ±1%. Both sulfur dioxide and hydrogen sulfide are measured with Meloy Model SA185 sulfur analyzers . The hydrogen sulfide analyzer uses a Meloy Model NO -1 sulfur dioxide scrubber and the sulfur dioxide analyzer uses a Meloy Model H2S-1 hydrogen sulfide scrubber. The Model SA185 is a continuous analyzer and utilizes the flame photometric principle of operation. The minimum detectable sensitivity is 5 ppb and the linearity is ±17o. Ozone is measured with a Meloy Model OA350 analyzer. This instrument, based on the chemiluminescent principle, pro- vides continuous measurement of ozone. The minimum detectable sensitivity is 0.5 ppb and the linearity is ±1%. Total hydrocarbons, methane, and carbon monoxide are monitored with a Bendix Model 8200 gas chromatograph analyzer. This instrument, which uses a plume ionization detector, has a minimum detectable sensitivity of 5 ppb for all three components. The Model 8200 works on a five-minute cycle, i.e., one air sample is analyzed every five minutes, and the results are dis- played for five minutes via a sample and hold circuit. II B-1764 The air sample is drawn in through a glass cane and manifold supplied by the Ace Glass Company. The system has a 25mm diameter, through which a constant air flow is provided by an air pump rated at 60 cfm at 0" head pressure. The manifold has sampling ports to which 1/4" teflon lines to the instrument are connected. All joints in the sampling system are secured by 0-ring compression fittings. The manifold is contained in a heated (100°F) chamber to prevent condensation of moisture. The teflon lines from the manifold to the instruments are insulated with 1/8" wall thickness rubber tubing. The trailer has four heavy duty high volume particu- late samplers (Hi-Vols) . Fiberglass filter paper is used for the collection of particulate samples , after which each filter is brought to a controlled humidity before weighing. Each Hi- Vol has a flow recorded to permit correction for changes in air flow as the filter becomes loaded with particulates . Each Hi- Vol runs for a 24-hour period (midnight to midnight) and is turned on and off by the computer. The Hi-Vols, which were manufactured by Radian, were designed following guidelines re- commended by the Environmental Protection Agency. In addition to the normal Hi-Vol particulate samples, a duplicate Hi-Vol sample is collected every sixth day on special filter paper for trace element analysis. Once each quarter these samples are composited and analyzed for gross radioactivity and trace element content. B . Calibration Procedures The trailer contains a Meloy Model RAD-1 calibration unit. This instrument provides a zero air supply, S02 span gas from an S02 permeation tube, and NO span gas obtained by precisely II B-176E RA2D3AIM coRPOSLamoM diluting bottled NO span gas. The computer-controlled calibration of all instruments is automatically performed once a day. Each instrument is first switched to zero; the computer monitors the output of each channel and takes a new zero reading after a stable zero signal has been reached. This zero reading is compared by the computer to the zero reading obtained 24 hours before, and if a drift in excess of 10 ppb has occurred, an excess zero drift light for the channel in question is turned on on the System Status Panel. Next, span gas is supplied to each channel and the computer decides when a stable span value has been reached. This value is recorded and compared to the previous day's value. An excess span dri ft light on the System Status Panel is turned on if a drift exceeding 10 ppb occurs. The instruments are then returned to the monitor mode and after two minutes the com- puter resumes data taking. The bottled NO gas used at each site was obtained from Precision Gas Products . Pre-purified grade hydrogen is used in the S02 analyzers. The SO2 permeation tubes were manufactured by Metronics Association, Inc. Their output has been verified by comparison to the output of National Bureau of Standards tube 10-42. Both SA185 analyzers in each trailer are calibrated with the S02 from the permeation tube. This instrument responds to the number of sulfur atoms per molecule; thus, S02 can be used to calibrate both the H2S and S02 monitors. The Model OA350 ozone analyzer has its own calibration system which provides a zero check and a span check. The ozone calibration system is verified by comparison to a calibrated ozone generator maintained in Radian's laboratory in Rifle. II B-1766 RADIAN The Model 8200 total hydrocarbon, methane, and carbon monoxide analyzer is calibrated with undiluted span gas obtained from AirCo's Rare and Specialty Gas Division. This span gas con- tains methane and carbon monoxide in air, the methane being used to calibrate both the total hydrocarbon channel and the methane channel. The Model 8200 is zeroes with air from a Bendix Model 8834 zero air unit. In addition, the instrument is electronically re-zeroed at the start of every five-minute cycle. The Hi-Vol particulate samplers were calibrated using a Calibration Kit from General Metal Works . C . Data Acquisition System The basis of the data acquisition system is a Data General NOVA 1200 minicomputer. The NOVA, which has a basic cycle time of 1.2 psec, is equipped with automatic program load and power fail/automatic restart features. The computer utilizes 16K 16-bit words of core memory. Analog-to-digital conversion is accomplished via an ADC built by Radian Corporation. The input/output unit for the system is Texas Instrument's KSR 733 keyboard/printer. This model teletype provides keyboard entry and hardcopy printed output. The data are also recorded on a cassette magnetic tape unit with three drives , The cassette unit is utilized for program storage and loading as well as for recording. To reduce wear on mechanical parts, the power to the teletype and cassette units is turned on only when the unit(s) is (are) to be used. Several important functions in the instruments as well as in the computer and the trailer are monitored by means of lights on a System Status Panel. These data lights are written onto cassette tape to monitor the complete status of the system every five minutes. The Data Acquisition System also monitors the presence of 100V power from the power lines. In its absence, the computer, which is powered by batteries, switches all trailer II B-1767 systems to battery-provided power. If the line voltage is restored before the batteries are discharged to a specified level, the trailer system is switched back to line power. D. Meteorological Instrumentation 200-Foot Meteorological Tower The tower has instrumentation at four levels: 8 feet, 30 feet, 100 feet, and 200 feet. At all four levels, there are: wind speed, wind direction, and temperature and relative humidity sensors in a power-aspirated radiation shield. Temperature difference thermistors (also in power-aspirated radiation shields) and their associated circuitry take lapse rate measure- ments for the 30-foot to 100-foot layer and the 30-foot to 200-foot layer. In addition, this site has a Precision Spectral Pyranometer , a barometer, and a tipping bucket rain/snow gage. The wind direction and speed apparatus used at each measurement level of the tower is the Model 1074-2 wind sensor by Meteorological Research, Inc. (MRI) . This sensor has a 540 potentiometer for wind direction and a light chopper for wind speed. This sensor is rugged, with an all-weather coaxial cup and damped vane assembly. The prototype model has been in operation for years under the most demanding weather conditions, performing continuously with the utmost reliability. The wind sensors on the tower have been specially treated with a black paint which will promote warming of the exposed surfaces of the sensor and thereby reduce ice and snow accumulations on the moving parts of the apparatus . The specifications on the Model 1074-2 are as follows: II B-1763 CGR2P©5t£4TBOH Wind Speed Starting Threshold: 0.75 mph. Response Distance: 18 feet (63% recovery). Flow Coefficient: 7.9 feet/Revolution. Accuracy: ±0.4 mph or 1% (whichever is greatest) Wind Direction Starting Threshold: 0.75 mph. Delay Distance: 4 feet (50% recovery). Damping Ratio: 0.5 to 0.6. Accuracy (540 system) : ±1%. Range: 0° to 540°. The relative humidity and temperature sensors are mounted within a power-aspirated radiation shield at each tower level. All aspirators and sensors are of the Model 840 Series by MRI . The aspirated shielded housing is designed to provide maximum radiation protection to the sensor. Ambient air is drawn into the shield and across the sensors at approximately 15 feet per second. This intake air is essentially sampled from a hemispherical space which is approximately 3-inch radius from the tube opening. Speed of the incoming air at the perhiphery of this hemisphere is approximately 1 mph. The temperature sensor is comprised of a dual thermistor and resistor network. This circuit provides a linear resistance change with an air temperature change. The relative humidity sensor is placed alongside the temperature elements inside the shield where it is exposed to a constant flow of air. Circulation to both sides of the sensing element produces accurate monitoring with a good response time. The specifications on the sensing ele- ments are as follows : II B-1769 Temperature -o Accuracy: ±0.25 C. . Range: -50°C to +50° C. Humidity . Accuracy: ±3.0% RH. Range- 0% to 100% Relative Humidity. Measurements of temperature difference are taken for two layers, the 30-foot to 100-foot and the 30-foot to 200-foot layer. The thermistors and circuitry used for these measurements are separate from the thermistors measuring air temperature. The use of separate thermistors and circuitry to measure AT allows for much greater accuracy and resolution in the measurements , which is necessary for stability assessments. Two AT thermistors are at the 30-foot level, one is at the 100-foot level, and one is at the 200-foot level. All of these AT thermistors are mounted within power-aspirated radiation shields. The specifications on the AT instrumentation are as follows: Accuracy: ±0.1°C. Range of AT Circuit (Lower Level-Upper Level) : +9F° to -9F°. All instrumentation, except at the ground level, is mounted at the end of 12-foot retractable booms . These booms are 3-inch box beams which are on rollers and can be retracted to the instrument platforms for instrument maintenance. The meteorological tower itself is a 200-foot Rohn Model SO Guyed Tower, designed for 40 pounds per square foot wind load with %" of radial ice per EIA Standard RS-222-B, to IT B-I770 support four levels of meteorological equipment. The material consists of tower sections with a tapered base, three retractable booms 12-feet long, three outside work platforms, an inside ladder for climbing, two base ground kits and one anchor ground kit. The cable-type Safety Climbing Device consists of a cable and attachment mechanisms with a locking sleeve and safety belt. The tower is lighted and painted according to FAA specifications. The signals from the tower instrumentation are fed from multiple signal cables into transmitters mounted at the base of the tower. After signals have been converted to analog signals, they are fed into a junction box, also at the tower base, where they are assimilated into one coaxial cable. The signals are then run underground within 3" PVC conduit to the A-to-D assembly, where they are processed. The transmitters are shielded and insulated from the elements. The signal cable is run underground in PVC conduit in order to minimize damage from the weather or from various rodents in the region. The auxiliary equipment at the tower site consists of a heated tipping bucket rain/snow gage, an analog barometer, and a Precision Spectral Pyranometer. The rain/snow gage is the Model P511-E unit by Weather Measure. In the case of this gage, the durability and reliability of a tipping bucket gage are combined with heavy-duty electric heaters to make this an all- purpose precipitation sensor. This gage may be used to measure both snowfall and rainfall. An insulating cover of poly-vinyl chloride and a thermostatic control insure the proper gage temperature. The thermostatic control is adjustable from 0 to 35°C. Snow falling into the inlet funnel is melted. The resulting water (from rain or snow) drains into a precision tipping bucket mechanism which activates a mercury switch each time the bucket fills and tips . The gage is constructed of durable corrosion- resistant materials to provide many years of service. The II B-1771 specifications for this gage are as follows : Orifice: 8 inches. Calibration: 0.01 inch. Accuracy: 0.5% (Calibrated at 0 . 5 in/hr) . Sensor: Chrome-plated tipping buckets. Switch: Mercury, 0.1-second closure. Heat Control: Thermostat adjustment, 0 to 35 C The barometer is the B242 Analog Output Barometer by Weather Measure. This barometer provides an output voltage that is linearly proportional to pressure. The specifications on this instrument, which is mounted inside the monitoring trailer at the site, are as follows: Range: Specially designed for the 100 millibar interval from 725 millibars to 825 millibars . Resolution: Infinite. Linearity: ±0.5 millibar, over the 100 millibar interval . The pyranometer at the site is the Eppley Precision Spectral Pyranometer. This instrument is used for the measure- ment of sun and sky radiation totally or in defined wavelength bands . The pyranometer is levelled and mounted atop a wooden stand 4% feet from the ground surface. Care has been taken to eliminate the effects from all outside influences, such as reflection or shadows, on the pyranometer. The instrument characteristics are as follows : Sensitivity: 5 mv. per cal/cm /min. Independence: 300 ohms. Temperature dependence: Sensitivity constant to within ±1 percent over the ambient temperature range from -20 to +40°C. II B-1772 | . Linearity: Response linear up to intensities of 4 cal/cm2/min. Response time: 1 second (i/e signal). All instrumentation is factory-calibrated and is field- calibrated at various intervals. Sling psychrometers are used to calibrate the humidity sensors; known temperatures and/or resis- tances are used to calibrate the thermistors; and an rpm cali- brating unit is used to calibrate the anemometers . The wind direction instrumentation is aligned to true north (reference direction) by means of a surveyor's transit. II B-1773 C © R 5>D 55JV3" 9 O M III. MICROMETEORQLOGICAL AND TERRAIN FEATURES The Piceance Creek Valley and C-b Shale Oil Tract are situated such that many microscale meteorological phenomena affect the region where the ambient air monitoring unit is located Trailer 023 and its associated 200-foot meteorological tower are located atop a plateau to the south of the valley, high enough to be affected mostly by gradient flow conditions. The elevation at the meteorological tower site (Trailer 023) is 6940 feet above sea level. The largest gradients in eleva- tion in this area, of course, occur at Che Piceance Creek Valley walls. However, the northern valley walls are slightly steeper than those at the southern boundary of the valley, which then slooes uoward gradually toward the C-b Tract. The Piceance Creek Valley decreases in elevation from east to west in this area, so that nighttime katabatic cold-air drainage flows advect from east to west. Site 023 is approximately 2.5 miles south of the Piceance Creek Valley. This location is relatively high com- pared to its surroundings, with the nearest point having an eleva- tion greater than 7000 feet being .5 miles to the south of the tower. The tower itself is on the top of a small knoll located between Scandard and Sorghum Gulches. Because of its location and the irregularities of the surrounding terrain, meteorological patterns are varied here. Wind instrumentation is mounted at four levels of the meteorological tower: 8 feet, 30 feet, 100 feet, and 200 feet. The top level of the tower generally remains in gradient wind flow. That is, the winds at that level are normally generated II B-1774 by synoptic-scale features and are usually separated from terrain features and micrometeorological circulations. Occasionally, a weak anabatic flow influence is experienced. However, such is not the case with the three lowest measurement levels. To varying degrees , these levels are influenced by both the katabatic and anabatic circulation cells. However, when strong pressure gradient forces exist in the region and the synoptic-scale wind flow is strong, all four tower levels will reflect a gradient wind flow as the winds increase in strength and height. The terrain atop the plateau is generally barren and fairly rugged, with a few scattered small trees. The topsoil dries rapidly and is very fine, resulting in blowing dust when dry, windy conditions exist. In the Piceance Creek Valley, the terrain is fairly grassy and flat, with steep valley walls on either side. Surface winds are normally rather light in this valley unless channeling effects occur. During clear nights with rather light pressure gradient- induced winds, rapid radiational cooling will occur in the region because of the barren nature of the terrain and the generally dry character of the air in this portion of the country. As a result, the diurnal range of temperatures will be extremely large. Because of the katabatic flow in the valley, nighttime temperatures will generally be lower in the valley than on the plateau. During the winter, especially, temperatures in the valley may be 20F° lower than they are on the plateau during the early morning hours. II B-1775 RASSSABi CORi>OS%A730?< IV. OPERATING TIME ANALYSIS FOR EACH SITE This section presents the operating statistics for each of the major subsystems contained in the monitoring station. Table I shows the specific number of hours that each of these subsystems were inoperative for the month. The column labeled "DIGITIZING SYSTEM" indicates the entire data acquisition system; therefore, downtime hours appearing in this column means total loss of data. These instances include, in addition to computer downtime, power failures, no power available, and self-automated shutdown periods such as during air conditioner malfunctions. Calibration time is not considered to be downtime and is, therefore, not included in the downtime figures. The amount of time used in calibrating the instruments is given at the bottom of the downtime analysis table and is reported as total calibration hours for each channel for the entire month. As is evident in the calibration figures, channels can be calibrated independently of one another. No calibration time is given for particulate monitoring since Hi-Vol calibration occurs infre- quently and only during the off-duty cycle for each Hi-Vol while another Hi-Vol is taking data. 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V. >v 'N. > C -C is O -C -i II B-1779 COR3>C«.aT5CJ?J V. MONTHLY METEOROLOGICAL SUMMARY Summary of the Meteorological Conditions Over North America During June 1977 Temperatures were above normal for all but the north- eastern corner of the United States during June 1977. The north- eastern corner of the U.S. experienced below normal temperatures during the month. Monthly precipitation totals were variable, but were generally below normal over all of the country. The cooler temperatures in the Northeast and the warmer temperatures elsewhere resulted from a mean upper-level long-wave trough over the Northeast and a mean upper-level long wave ridge over the West. The Southeast experienced warmer- than-normal temperatures as the long-wave trough was oriented too far to the north on most occa- sions to provide cold-frontal surface support to the Southeast. The upper-level long-wave circulation was zonal (west- east) from the 3rd through the 5th, from the 12th through the 17th, and from the 22nd through the 30th. Split flow occurred on the 10th and 11th. Meridional flow (north-south) occurred on the 1st and 2nd, from the 6th through the 9th, and from the 18th through the 21st. ( Extratropical low pressure systems were frequent in the northern United States during June. These low pressure systems developed in the northern states as warm and cold air interacted mostly in that region. The dates and locations of these low pressure systems were as follows: 1st 2nd 3rd 4th Rockies, Great Lakes Rockies, New England Great Plains Great Plains, New England, Pacific Northwest II B-1780 « C O 3? S>C 5UZ7 i O M 5 th 6 th 7 th 8 th 9 th 10th 11th 12th 14th 15th 16th 17th 18th 19 th 20th: 21st 24th 25th 26th 27th 28th 29 th 30th Great Plains, New England, Great Lakes Atlantic Seaboard, Great Lakes New England New England, Great Lakes, Great Plains Atlantic Seaboard, Great Lakes Atlantic Seaboard, Great Plains, New England Great Lakes, Great Plains, New England Great Lakes, Great Plains, New England, Atlantic Seaboard Southeast Atlantic Seaboard, Great Plains Great Plains New England Great Lakes New England Pacific Northwest Pacific Northwest, New England Atlantic Seaboard Atlantic Seaboard, Great Lakes, New England Great Plains, New England Great Plains Great Plains, Great Lakes New England Great Plains, Great Lakes On a sectional basis, the following temperature and precipitation anomalies occurred during June: II B-17S1 CORPORATJON Section Northeast Atlantic Seaboard North Central Central Southeast Southwest Rockies West and Pacific Northwest Temperature Slightly below normal Below normal Near normal Slightly above normal Slightly above normal Slightly above normal Much above normal Above normal Precipitation Slightly below normal Variable Slightly below normal Variable; mostly above normal Variable; mostly below normal Slightly below normal Much below normal Variable; mostly below normal II B-17S2 ecRP>oaATSOH B . Summary of the Meteorological Conditions in Northwestern and West Central Colorado during June 1977 Grand Junction, Colorado, sixty miles to the south- southwest of the Tract C-b , received a total of 0.04 inch of precipitation during June, which is 0.51 inch below the monthly normal of 0.55 inch. Measurable precipitation occurred on the 9th. The region received 87 percent of the possible monthly sunshine. Sky cover by cloudiness averaged 4.0 out of a possible 10 during the daylight hours and 4.0 out of a possible 10 during the entire month. The region had twelve clear days, fourteen partly cloudy days, and four cloudy days during the month. Air mass changes were infrequent during June. Only three frontal passages occurred during the month as the westerlies weakened and moved northward. Transport winds over the region were weaker in June than during May. Maritime polar cold frontal passages occurred on the 2nd, 6th, and the 24th. II B-178: CORJPOKJVTJOM i C. Summary of the Meteorological Conditions in the Oil Shale Tract C-b Region during June 1977 Upper-level ridging during the first half of June combined with the northward movement of the westerlies during the second half of June caused a decrease in frequency of cold frontal passages during June compared to the month of May. Precipitation fell only on the 9th. Temperatures in the Tract C-b region were much above normal during June, while precipitation totals were much below normal. Three cold frontal passages occurred during June. Maritime polar cold frontal passages occurred on the 2nd, 6th, and the 24th. Temperature data was obtained for the period from June 10th through the 30th. The monthly average temperatures recorded at the meteorological tower during June were 66.6°F at 8 feet, 67.6°F at 30 feet, and 67.1°F at 100 feet. The 200-foot level temperature was down for the entire month. These averages are approximately 19F higher than those recorded in May. The warmest days of the month were the 17th and the 26th through the 30th. The coolest days were the 10th, 11th, 12th, 21st, and 22nd. The highest temperature recorded at the meteorological tower during June was 87°F at the 8 -foot level on the 29th. The coldest temperature recorded at the meteorological tower was 43°F at the 8-foot level on the morning of the 22nd. The relative humidity sensors were down throughout the month of June. Wind speeds on the meteorological tower during June were not as strong on the average as the winds that prevailed during II B-1734 May. Resultant wind vectors at the meteorological tower during June were as follows; 221.7 degrees at 2.9 miles per hour at 8 feet; 213.1 degrees at 4.0 miles per hour at 30 feet; 211.6 degrees at 4.6 miles per hour at 100 feet; and 222.6 degrees at 5.4 miles per hour at 200 feet. The scalar average wind speeds associated with these resultant wind vectors were 6, 8, 9, and 10 miles per hour, respectively. The Ekman spiral and Ekman effect, i.e., a veering in direction and increase in speed as a function of increasing height above the surface, were in evidence during most of June. A reference to the June wind rose for the meteorological tower indicates that the winds at that location were primarily south- southwesterly. The windiest days of the month at the meteorological tower were the 9th, 14th, 18th, and the 20th. The days having the lightest winds were the 1st, 7th, 21st, 22nd, 23rd, and the 30th. The highest five-minute average wind speed recorded at the tower during June was 36 miles per hour at the 200- foot level on the 26th. Precipitation totals in the Tract C-b Monitoring Network during June were generally below normal. Only 0.16 inch of precipitation was recorded at the meteorological tower during June, The largest daily precipitation total recorded in the network during June was 0.16 inch on June 9th. The greatest five-minute precipitation total recorded during the month was 0.10 inch (a precipitation rate of 1.20 inches/hour), recorded on the 9th. Measurable precipitation (>.01 inch) was recorded at the meteoro- logical tower only on the 9th. The monthly average station pressure during June was 791.3 millibars at the meteorological tower. This reading is II B-1785 C O R J>0 iJAT I O H 5.2 millibars higher than the May average station pressure of 786.1 millibars. The highest daily average station pressure occurred on the 4th, 5th, and the 6th. The lowest daily average station pressures occurred on the 8th, 9th, and the 20th. Cloudiness decreased in the Tract C-b region during June, compared to the May cloud cover and insolation statistics. The region received an insolation total of 18,575.9 langleys , which is equivalent to a daily average insolation total of 619 langleys/day . This average is below the normal for June of 675 langleys/day in the Tract C-b region. On a diurnal basis, the greatest solar radiation rates occurred between 1200 and 1300 hours. The greatest daily radiation totals were received on the 12th, 14th, 15th, and the 17th through the 19th. The lowest daily solar radiation totals were received on the 1st, 6th, 7th, and the 8th. The greatest five-minute radiation total received during June was 8.55 langleys (a rate of 1.71 langleys/minute) , which occurred on the 20th. The largest hourly insolation total received during June was 89 langleys , which occurred on the 3rd and the 20th between 1100 and 1200 hours. Because of the progressively increasing solar elevations and the increasingly longer periods of daylight that prevailed during the first 21 days of June, the total possible solar radiation which could be received during a day increased monotonically throughout that period. During the remainder of June, the total possible solar radiation which could be received during a day decreased monotonically. The decrease in cloudiness which affected the Tract C-b during June caused the "very unstable" stability classes to become more common than they had been in May. Using the Pasquill method of stability determination, "D" stability (neutral stability) was the most common stability, occurring during 208 I II B-1786 CORPORATION daytime hours, or 47.6 percent of the time. In decreasing order of frequency, "C" (slightly unstable) stability occurred during 126 hours, or 28.8 percent of the time, and "B" (very unstable) stability occurred during 103 hours, or 23.6 percent of the time. "A" (extremely unstable) stability did not occur during June. The lapse rate method of stability determination (-r?) AT was not available during June since the (-37) sensors were down throughout the month. Using the standard deviation of the horizontal wind (c ) method of stability determination, "E" stability was the most common stability classification at the meteorological tower at the 200-foot level because of the moderately strong winds that normally occurred at that location. The stability distributions for the 30-, 100- , and 200-foot levels were similar with the "E" stability classification the most common. The 8-foot level of the tower exhibited higher percentages of the unstable classes because of excessive mechanical turbulence. The bivane at the 200-foot level of the meteorological tower indicated a pattern of upward vertical motion (negative vertical directions) during daytime hours in June. During late evening hours , the bivane indicated downward vertical motions . During the early morning hours, the bivane indicated no set pattern of vertical directions. The 30- and 100-foot level bivanes were not in operation during June. The a value obtained at the 200-foot level using the bivane compared favorably with the a value obtained using standard wind instrumentation. However, this comparison is based on only the first eight days of June. After this time period, no a values were obtained using the bivane at the 200-foot level because of instrumentation problems. No comparison may be made for the 30- and 100-foot levels since the bivanes were not in operation at those levels . II B-1737 C O R PC SSLSYT 3 ow VI. DATA PRESENTATION AND SUMMARY This section includes summaries for various recorded data at the monitoring sites. The data presentations indicate the variability of pollutant concentrations and meteorological parameters with location and time. In addition, the presenta- tions indicate the functional dependence of pollutant concentra- tion with wind direction. All data except suspended particulates (24-hour samples) are sampled once each second, but recorded as five-minute arithmetic averages of the one-second samples. This averaging technique tends to smooth instantaneous maximum values , and is especially evident when comparing wind gusts to local weather bureau data. Inherent to any data acquisition system is random noise both from the recording instruments and quantization in the ana- log-to-digital conversion. The lower threshold for all analytical instruments is twice the maximum noise level generated by the instruments. This lower threshold is 5 ppb for all instruments, except for the ozone analyzer, for which it is 0.5 ppb. There- fore, any values appearing in the data presentations that are less than 5 ppb indicate only a trace of pollutant in question and should not be construed to be absolute levels. In addition, the recorded quantity is simply random noise and averages tend toward zero. Thus, when concentrations are below the lower threshold of the analytical instruments they may appear as a zero entry in the data presentation which does not indicate absolute zero concentration. All pollutant data (except for particulate data) is taken at the monitoring site in integer parts per billion (ppb) but is presented here in micrograms per cubic meter (yg/m3) II B-1783 assuming standard temperature and pressure of 25 C and 760 mmHg (1013.2 millibars), respectively. The scale factors required to convert yg/m3 at standard conditions back to ppb for the various pollutants are given in the following table. POLLUTANT TO CONVERT yg/m3 AT 25°C AND 760 mmHg TO pnb MULTIPLY BY NO x .534 NO = 534 NO 2 .534 S02 .384 H2S .723 THC 1.536 cm 1.536 CO .877 o3 .512 The units of the meteorological parameters are given in the table. It should be noted here that inside temperature is monitored and recorded as a functional part of the system but is not presented in this report. Table III displays the monthly statistics for each monitoring station for the month. To insure statistical sig- nificance, and to reduce the possibility of introducing a bias in the presentation, averages are computed only when at least 50 percent of the samples are present, except for relative humidity and temperature, in which case 75 percent of the samples are required. If less than the required samples are present for a particular parameter, that entry will be blank. The number of II B-1789 CORPORATION samples present for a particular channel is defined as the total t possible number of five-minute samples for the averaging time less the computer downtime less the channel downtime less the channel calibration tine. The averages in Table 111 are arith- metic averages with the following exceptions: Wind speed and wind direction are computed using a vector averaging technique where the wind speed is treated as the vector magnitude. Particulate averages are computed as the geometric mean. Table IV displays the daily averages. Again, 50 percent of the five-minute samples are required in order to compute an average except for the cases of relative humidity and temperature which require 7 5 percent. A blank entry indicates an insufficient* number of five-minute samples present for that day. Wind speed, wind direction, and particulate averages are computed the same way as described in Table III. Table V presents the maximum daily five-minute average retained in the data base as well as the time of occurrence. A five-minute maximum average is printed if any samples are present for that day. Therefore, the maximum five-minute average for a channel which experienced considerable downtime or calibration time during the day in question may be misrepresentative of the maximum expected for that channel on that day. Table VI indicates the five largest averages for various averaging times. The table shows the period of time covered by the average. Maxima are chosen so that time segments II B-1790 are independent. The maximum averages reported are found using a 'sliding average' technique with the exception of the 24-hour particulate average, which is computed from midnight to midnight. For averaging times less than or equal to three hours, the slid- ing average is stepped one five-minute sample at a time. For longer averaging times the step size is twelve samples or one hour. For averaging times less than or equal to one hour 100 percent of the five-minute samples must be present to compute an average. Averaging times greater than one hour require 90 percent. Whether or not a sliding average is computed is solely determined by the number of samples present in that averaging time and is independent of daily and monthly averaging criteria. To demonstrate the functional dependence of recorded parameters upon wind direction, Table VII shows pollutant con- centration displayed in a bi-variate distribution with wind direction. The tables display the total number of five-minute samples occurring in each concentration and wind speed class. The mean concentration for all samples occurring in each wind class are also shown. This distribution demonstrates the dependence of high pollutant concentrations upon wind direction. Appendix A shows the stability itfind rose diagrams . The wind speed classifications used in Appendix A are based on the Beaufort wind scale classification system. This is a system of estimating and reporting wind speeds, invented in the early nineteenth century by Admiral Beaufort of the British Navy. It was originally based on the effects of various wind speeds on the amount of canvas that a full-rigged frigate of the period could carry, but has since been modified and modernized. In its present form for international meteorological use it equates : (a) Beaufort force (or Beaufort number) ; (b) wind speed II B-1791 COHPORiVriON (c) descriptive terms; and (d) visible effects upon land objects or the sea surface. One land adaptation is the NRM wind scale. The six basic wind speed classifications used in the report are: 1-3 knots, 4-6 knots, 7-10 knots, 11-16 knots, 17-21 knots, and winds of greater than 21 knots. The following table is a complete description of the Beaufort Wind Scale, taken from Physical Climatology , by Helmut Landsberg, 1969. BEAL'FORT WIND SCALE FOR OBSERVATIONS AT LAND STATION'S .'orce i i_>;r>. mat. Tide Specification jor ise Corresponding l.ir.its of Vinci Speed a: 10 -ccers ab.grd. V.' sec. ' Ft/sec. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CalTi i Srr.oke rises vertically ' Lighc air ! Direction of wir.d shown by sroke drift, buc not by vir.c var.es ! Lighc breeze i'.v'ind felt on face:leaves rust le :ordit\<= ry var.e coved by wind Cencle breeze. ... ', Leaves and sr.ali twigs in constant ao- j Cion;vind extends light flat Moderate breeze. . , Raises dust and loose paper :sr.all bran- ches are Mvec Fresh breeze 'Sr.ail trees in leaf begin to sway:vave- ! lets forrr-.ed or. inland waters Strong breeze. ... j Large branches in motion :vhistling he^rd , in telegraph vires : umbrellas used with difficulty High wir.d i Whole trees in motion : inconvenience felt when walking against wind. Fresh gale ■ Breaks twigs of: trees : generally ir.pedes progress Strong gale. Slight structural carr.age occurs (chicney pots and slates rer.oved) Whole gale :Seldo:.: experienced inland : trees uprooted: considerable structural dar.age occurs.. Stor~, . Very rarelv exceriences:acco-oar.ied bv 1-3 •4 — i 3-12 13-13 19-24 25-31 32-3S 55-63 1-3 4-6 7-10 11-16 17-21 28-33 I-47 45-55 i S9-i02 39-4o ; 10.S-13.3 I 36-45 50-61 ! 13.9-17.1 ! 46-56 1 17.2-20.7 : 57-68 20.8-24.4 j 69-80 24.5-28.4 j 81-93 widesoread damage. Murricane. 64-72 . 56-63 : 102-117 ! 28.5-32.6 ! 94-106 73-S2 64-71 ' 116-133; 32.7-36.9 1 107-121 S3-92 72-60 j 134-149 | 37.0-41.4 | 122-136 93-102 ! 31-39 j 150-166 ! 41.5-46.1 j 137-151 104-114; 90-99 : 167-133! 46.2-50.9 j 152-166 115-125 I 100-108 ' 184-201 ! 51. 0-56. C ' 167-183 126-136 ! 1C9-11S ' 202-220 ' 56.1-61.2 ! 184-201 Source: Table 36 (p. 119) in R.J. List (1951) rSsithsonian Meteorological rabies :Sr.ichsonian Miscell. Coll. Vol . 114. II B-179; Table VIII demonstrates the diurnal variation of various recorded parameters. Hourly averages are determined by arithmetically averaging five-minute samples, except for wind direction averages which are computed vectorially assuming unit vector magnitudes. Totals in the diurnal wind direction tables are vector averages of the columns and rows. For all parameters, a blank entry in the diurnal variation table indicates that less than half (i.e. , less than 6) of the five-minute samples for that hour are present. All times given in the data presentation are Mountain Standard Time . To facilitate comparison of recorded concentrations to ambient air quality standards, the following regulations are presented. IT B-1795 CORP OK AT J ON Primar-- 75 ug/m' 260 TABLE II FEDERAL AND COLORADO STANDARDS Secondary 60 Lg/n3 150 ^ on-Designated Area Part iculate Annual G. M. 24 Hr. Max. * 45 Up/m5 150 1973 Designated Area 1976 1980 45 Up/m' 70 lig/n' 55 t'g/m' 45 Wg/m3 200 180 150 Sulfur Oxirios Annual 24 Hr. Max. * 3 Hr. Max. * 1 Hr. Max.** S0(.03ppn) 365(.14PPn) 1300(.3pp;n) 60(.02pp.-n) 25(.009ppn) 10(.004rPm) 15(.005ppn) 300(.lppm) 150(.05ppm) 55(.02ppm) 800(.28ppm) 300(.lppn) Oxidant 1 Hr. Max. * 8 Hr. Max.* Annual 160(.0Spp.-n) 160 Hydrocarbons 3 Hr. Max.* 6-9 a.m. 160(.24ppm) 160 Carbon Monoxide Max. 8 Hrs. * Max. 1 Hr.* 10000 (9ppm) 40000(35ppn) 10000 40000 Nitrogen Dioxide Annual 100(.05ppm) 100 Units are micrograms per cubic reefer and pp.Ti in parentlies is. *Not Co be exceeded more than once per ye3r. **Not to be exceeded core than once per oonCli. II B-1794 RAED3AMI COR5*0«AT80N TABLE III AVERAGES FOR JUNE 1 THRU 30 II B-1795 J" -0 a -J8 or c x UJ cv X X t- * — ' li.' 3 ■^ r- ^— * •—I •^ tn ■x Or »- u_ c- X O tt <— t C UJ CJ o x a. 2 ic ¥—. X ar jj, I JJ u.1 ar 2 tr OL C3 ro X »— a- V) »- •— V— a.1 »— a 1 UJ i— 25 »xt tj* UJ Q. Uj uj cr. O' a u.1 a. S I ►«» C 3* CJ x x c or ar >-» v-» *t X X »- t ►- CJ •— < •a. UJ : «-• or rr _i ^-N ill *— »-■ cr t- o T ~* lu uj 1 *- x r x uJ jj ~; XT ^ X -^ o •-* X i— ( »-• :* cr >■ GT 35 LI cr. C X •» UJ U_ CJ >— '■*• CJ *— CL >— - 2 ca cv a: t/> a: ■jj CVJ • UJ 3T X i s ■> ■< f hXU •-• CJ UJ —1 t— . »-» m — en x i t < niu o- »— <-• -v UJ »- XI »— «-*■» •* *— UJ x a <: X C »- 3T X T~ X u. 7 *-■ ui a. «^ i.O i_- r. rv Li.' 3? uj >- -~> cr t~ a K— cj "< •• d *j »- T" •-* — CV • •— f? CNi c x o »-l o a: u_ 3 cv 5i or a in c- cv • cv c IT! UJ u. cr; 2 C CD ar o >- x X < X t— UJ I f*3 f^ CV • S X CV X ■< X »- III 3" CM • <^r cs o cc X re ar < ar CJ • UJ a: X o? «/> UJ cr a. o »— ar x o cv • UJ o cv UJ o a: rv • s vr. ( o a cv • S1 "^r UJ cv -« u> II B-1796 • 3 UJ X CO 3 '_j r Li. O UJ -J 1 C iic O • CO — « ~ J^ a: uj i "U JJ 2: z N— • x r CO >- 1 Jj >— 1 £3 -J CJ JJ 21" ^lJ aJ O i "> Jj C^ O CO _^ ^O 1 • ». 0 ^ 00 3 Z 3 i^; 2: >— • 1 — 1 *<. ^-% ^ .-* r— _tr r— *— 3 ■— « u. • ». _lj ! 1 sC -^ T* li. _, 3> • OJ «— • . — 1 O CT ►— _^ m — -U J_ 1 — _^ ^ — -■-1 .H *_ _c Z: -> 3 — » J2 ^J 1— t _£ ;o M' -v 2C CO 0. 3 5 • ^ L.J -0 u_ 3 — ti —• i - > '-O t JL- Z Jj ■ jJ T '«. — 1 3 C_ 2 CO- ~- < -!_■ ■>- :r co *K i_ jj ~ ~TJ _J > < *5. r- I - jj 1 ^ r •3 . — J y • "v. CO o • rv oj I c OJ I o o OJ I -c I — w * I I i. IT B-1797 RAD3AN i TABLE IV DAILY AVERAGES FOR JUNE 1 THRU 30 II B-1798 • 2 U-l X ^ ~J (_> • V ■s: cc t— Jj __• <_> X o •_,_; u -»- a. 3 cc 1 — ! a: '-U 1 :jj -r -? ~ •—I CO »— t— .jj »— > < _J .^ — .— • 1 — 1 o j^ -^ x m 1 u_ —1 a uj 5J _ ■, UJ "X. •Jj -x U-i '~Z "V z CL Jj i 1— Vi .^j 1 • -. I t ml <&* 0Mtt a r o Ul, i w -i- ^ _ j_ — Z X- 11/ --: o — - i-H j_ i— i -. -0 >> ld x v^ ^ - '.»_ >■ ?: — <. y: r> — o o o o o c c: c: — X X 0* := V. "V "s. 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V. >v X -C C' C C i.' — X.- **•■ T CO .z t r c — x ^ — i -j- -v. x z z. ■o X - r J", s D r»» — « r^ >o I I 1 I 4 X r. j- j- j" x c j- X -"7 xxx x x ( II B-1824 — — X •* i rr _r •» or r> o t: 1 a: w UJ a. to UJ _» *— 3: ts i >o o t UJ r-% UJ to y z o H- rj 2 or -> »-« o »■> 3; 2 or 2 C C • » U.' u_ »-» or X 1- UJ >- CO t_) V— UJ UJ UJ c (3 DC X ►— ■< i— • ■x. O (_] »— UJ *-. t_! >■ r> no UJ «s A. 2 n_ r-i >— 1 U to ^-\ ts 2 UJ 3 2 or o* •-• c UJ »« rs ^ O- ~r 'Si »-• • --* tO c y X UJ •jj •< o 1- UJ or to ►— ^ z a. o UJ X % w to c u. cr P o a Or »-i a: 2 *■- u tr c r: UJ -z >— « Ul o O- »— i s c Of X UJ ^£ 1 t O 1 C tr. z u. — Z O z c: _i *— UJ c ►-i ~ >- »— « r— 'Si X <1 t- CJ ~3 ►—I *x UJ 3: LJ or ri. »— 1 a i— »— i X to z c < to UJ 3" ••I Z 7 UJ T c *— ■>• »— CJ "i. ¥-■ ►— I u. 3: CO UJ »— X ^* L?3 r- 2 I i — L-J v fj - -1 > ^b£ ?4t ^-3 I -.. J U ro CM CO 0> CVi — I CO — XT: in C- IT) lO *3 yj rV lO . «« •• •© •• •• rO 1*3 ^1 — > ^T ET. 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(M r-ovr^^r»-OLr>-OP»-j^^cr^O'r^r»-oo>cos-c./'t^for>-unr^o^JO"^ JlC^rO/1. ,^N£OMOlOOS-HO'CrviX-SC'viy'--'?i/1t -O X. r^ c n"i • o- r^ r— ^ o ru — c- "v o cr 3- ~ a; i^1. c lT — < ^ r-~ c: "V " rv — — X r-- □_ >» 2: o aO £ \ ^1 3 o f. c c ?^r\iC'/-i-c^N?,or\jcr-jO'C c x ^ - j cccoc:r--r^K-. x .0 "O o— « r*. ir r^ r^ m ex .c ■>■» oj -o — ■ o »■*. c. o.' -^ -o :j — li- no \j o if • 5 3- o c 30 c *o -o j-. ,-~ c j". ? 1 '/1 ^ o- >: % r v h "V m -c- cr o x r-^ ^ -c .r. ji x: ^ i) f^ n c ■£> — ■•; /1 ? n ^ r- if. «- * o c x: 3- if. 1-1 X V) :r ;/< ;7* r«-~ X j~> r-- x j~i V. no x- o r^ X* X _n r- x x r — -^^'v^~-'\.— • a. xx--r--o>:r-xcKxrN. pi if 1^ /> "1 X. ^ X J~l fl f"» 5 X X ~ rv 3» rv v"o r»- r— e rv o -o ji r» .-\j m e x — • t ji m r> r» x — *- c *«- x x c — 11 ri: D o 2 x £ ~ rO -, — . \f\ j-\ 3 .p _c X r- C -0 _r .-c y *o c c x x *»- -T O X r«- 7- X S -T x — z 2 rvj — I 1 — r -o x j~ r- f^ -^ y j-> «— -^ rv _f> _T> X c -O r> :V :/■> — i"V ~ -■'i rv — ~ o ^ _*"> "O _r _<" — -/-. «o -^ r r«j -<-, vi -0 X -o ^ j"i — a £^/X'\!\/«'Oc\\^vi; s-" fO — -« *-« rw < >— »- \ 7 ^ ^ "i \ 7 f \' ^ \ ."V -j — r\i.\|7rt^»"',-'3 cr -o — — — - 1 0 Hi. 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II B-1856 — r\- no -t .r x ""n x c~ ^ — v ^- r j- c <■>- x J- -- — *v r° ~ J~ x r- c -.7- v *v rv • *v -^oo.'\j-^K^rs~j^r>-ioo^:X)x;-r\X)r^ •o cinNLTiyif^^o^f\;fu,ocroc-a)coi/iO'iP^o^x-5a^'\Jr--' ^■^-in^^j^o^Tcor^rn^xrvj-^a- x a- -* tx o 3 -3- x y> -o o-- r\J x> "-n rv i^Nn/io-^iM^'- ' o f\j c >nrv - • ^r lt> fu — i?'iiioNiiiO'?c'-'X-,f\l3'njr^4;^^i^3-'^-/i'^c>NO!>r,iX'i'\J-*)'-i o caDiyi^a-^^cc^^c^rvNs. ru— «j^^o-or\j-^cr--^— v yi ^ - ■ ."v x> — — x x. -'i— •r-xr-a-ox-^xexi — » *•< r-~ o- ro <-- e «x — rvj _ ~ _ _*____.-,^^_.-,__^ ___,-, _ _ _ _ y 1— xj cr* ix. x x :r x ^ x x< y a- r-- z-> — r-^x^^ro^.^- x — — -ex. x — _ .„ rt^^^„rt\rv------ — « — ■ _ _< _ — ,-. ru r— ^3,o-oof-*-cJvL/"!J>;7>r»^r ^ — ru c xj o r— c > — ■ t a; ^ :-; y — « cr r-o — « «,-, —• ^_ „ _ _* _ n_ rv a. *- .-v — a. ~ — 1 _ _. .- ^, „ ex 5. x — t < rv a- r«- % x =■ o 3- — — 0"X;^cr-oc:>-.r^-^:xojvx;— ■ ~ x- rv o ki c t x \ ^ - '.' s o- i'i s f. ^ "1 ,r ^ ^ \ x x rv. x x x c c •» — -j rv rv x x — > x x x -a- r- o- r»- ~ -x cr — x - x c p— x> x x ■—- c 3- x x • -C /1 — ro^^Nx^x x x — *o ^ -n o a -3 ~ j x x< yi x x x x y ~ x /1 ^ ^ ,\' j- o j- x x ■ c "O x< "v -«-. -r — -~ rv. x» x c x J. x x ^ y- 3 y» x 11 -;>-<■ — or :x> r- co •— _J X. 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I _: •x- o '_> t_> o cj x- x w — s !_> -J x x :_; x O o x _ x c_) K?4 231 Sal Ml i,_XU X X — r\. -^ j- X x O X X X X X rv l/l f ■ N J f? w - .\ •»*•■ V £ -Z r- -C T- - — — — — — 'x x v -v. x x x "M v r\j i** cx-c otxcxccx C X X- X x= NJ II B-189* RAJD3AN CORPORATION APPENDIX A STA3ILITY WIND ROSE DIAGRAMS II B-1899 CORPOI3A7ION Pasqui Categor 11 ies (d sgrees) A 25.0° B 20.0° C 15.0° D 10.0° E 5.0° F 2.5° APPENDIX A STABILITY WIND ROSE DIAGRAMS According to the data presented in AEC Safety Guide No. 23, the relationships between stability classes and afi are as follows (the values shown are averages for each stability classification ... oe is the standard deviation of horizontal wind direction fluctuations) . Average Values Stability Classification Extremely Unstable Moderately Unstable Slightly Unstable Neutral Slightly Stable Moderately Stable Stability wind roses obtained at the trailers in the monitoring network are displayed in the following tables. Because of the relatively low heights above the surface (9 meters) at which the wind data is taken, the stability distributions are skewed toward the unstable end of the spectrum. That is , the unstable classes (A, B, and C) have a much higher frequency of occurrence than would be obtained with the Pasquill method of stability categorization (or with instruments at higher levels) . Table 1 depicts the frequency distribution of Pasquill stability categories based on afl from data collected by M. M. Pendergast and T. V. Crawford at the Savannah River Plant ("Actual Standard Deviations of Vertical and Horizontal Wind Direction Compared to Estimates from Other Measurements", Symposium on Atmospheric Diffusion and Air Pollution, September 9-13, 1974). Three distinct range patterns of stability class IT B-1900 CORPCHJITION distributions were observed: low, mid, and high, according to the height at which the o~ measurements were taken. 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W \ ~tj "Z 3 — , ~ uu ?o •■— o r\j — -a • « j — — '.O •— « — ' — ' -1 •v, r-n • >- "- .!_> ►— _ J- i — . 10 •jj cu •-> sS hn ^T n- • • _i IC •H •-• ■V rvj • >— • £ • — jj ,"C 1 — < _' -i-l i — ■■ UJ ^7 — r-^ f^. ^< • — 4> • " ?o ru .^0 • II jj ^-4 \J 2 — ru • • — X-' > ^ '-L, •^ X •■\J -» • • _l ^- — ru •r\ NO • L3 _«_; rvj rv. v~. ■ — ■ r\j -C' ft ft f>5p r —4 r "V N~ " ft **<^ — &-l3 ; - J" >r - V s ir ft ft T ' m ^ r^. ■x to • vO o 3L 5 3 r^ -X — I I < ug ru ^ II B-1911 J* >— o O ^ 1\| to 9 t>~ ro rvj aj »^ r\s o- ^j in in l\i o o --• r*\ zr ^— • (M i*^ in ". .~ >v G Xi «— ^ X 'r— .< X < '_| CO rr jlJ CO •< •— i — I •— * C_J n**_ ^ CO -3 cs aJ ;«%» fU """3> ^ .^* uj a — . 2 CO X. »— i 3 0. "V _i JJ C •v _» x CO AJ CO o »— t »_- 2 q o #— i 2 a. r- -1 a: :o "v. >■ < _u ! — X i t— i co >j — > -J w0 rv -H _c ' — ■_;_, ■f i i , : < CJ Xi -* x J"? r- in • rv — • »~ sO r*\ f\ (\i t*> if\ t*> S3 • — « iT". rv .*v rv x fW r-O rv o Ov -n co • iT> r— x r^ — x x — • fO — . r\i x r»- -3- >o r» *m r^ ^; ~ G *— t X' X rv ■^^ _r. rv cP ^ — ^_ -, r- • rO c> ro -c rv (M •— i r^i .r. vr, x o X • — • ru **1 *— * cr 3" "VJ pO !*n o -j-i .3 CO < m aj ao m r» • — ■ >o — x> ►*! J_, J"> " n© tO 30 fO ' ": en rv rv ^r -< .o jj o — rv c rv -3 ft I .--) J^ CO rv. v — — ---ill x rvj r- ( II B-1912 s* o =r -o r- in co — « ■■ess «sr o o 3 r~ o o s-~ -O o c i>- m aj aj —• r^ •~« •£> o I*- *n cc 2 (\J ■o x> ^ in m -o AJ U"> =T — < =3" 2 O z: aj ro -c :t -^ in ;3" ic aj 2: aj nj co rvi cc *-» c -o Aj 3r x «-• co o rA »-« i»a • — • Aj (\J — « J<- ,*Vi 3: aj fA fO O* Al l*» • :? PO K) «-• *0 ^ rA co A; AJ cc -o -c «o co -o — • — • fVJ J"! a: cj> r— .2 lP C_J SO AJ -U CO •— i o r%» Q SO -A O. Jj 1 — AJ -3 >v o iij J— co a: 1— 1 o a. ^ £. jj Kl -v _) X co /~N *-^ *— / ^ o "N t— < W Uj =J 3* -j ^V CO AJ >- G CO -- Aj .-A — CC O" m cc c — « «-• ro ro cc o co x a; ^ cc *-• co ki r- yi »-« -_a «-* ^ o m -c -o — ♦ -a o ru aj »o co in r*» *a aj cr aj rA r*i AJ tO — c >c Aj fA Aj .*A Aj o _a 00 CO Ai J-l aJ r" !*- AJ — * i~o • ^ »-« •— i -^i 3 m o fl c> r*» — fJ"l J"S -jj fO Aj — C3 r^ o •— > ."A _"". \j -^cr ! A. .X — AJ : — t IS * x: A r-» I — II B-1913 S-j 3C 3 i* o o o Z oj x. o :r oj ic oj z oj 3: 11 o- S. oj. co oj ^-\ ^ r^ r*. V ^ r-> 0 co oj 1*0 7F- \ 0 X 1 — 1 ^ 1— s x <. lj co ru :* 0 X CO 0 1 — a ■4 »— f-i —t X r- 0 en ^ ^ jj r^ ro ~D \ X UJ O ■" 2Z x fj; — . 0 a. ^ i oi'O ta^. _i r* CO f\i CO Q #-H w 2 O 3 1— « O X Is" 2 va_ — « x oj >» < UJ H" X 0. 1— 1 CO uJ — _I jo "u — t£ — UJ C 1 j_ *s 0 UJ — u_ U O CO II > x r— Z — • X, X ~y X^3 3g „: — ^ .^ ^2 _i ■5 : j~i £^5 ^ ru ♦#*"- J EC £^| 1 X X - j"> o t-~ co o x •— • •-■ — • c> i-*- 1*- uo ki ^ r-~ c — « r-- —■ — » oj *o =0 ~* 0 O x X rO lO • *-^ ^T OJ OJ OJ i-n >o 3- r^ =j x 10 r— 0 • 1 X w-4 OJ X 'J^ X x X X 0 r^- • OJ 0 ■31 0 OJ o> uo m x X X X K> • in X X H"i •JO OJ ■0 r** OJ 0- X X X • OJ «— « 3* - 00 X J~. =3- -* o- , »o 0; C5 • *— « =0 j-> X X 'Z- J^ ^^ K> Oj m OJ * " X* r>- ^J ^ OJ c^ X • c- X !V, X SO cr OJ •—1 in LO -a r^ Oj ~ it. 0 'IT* .-^. X r^ • LT. OJ IT .-vj •ii -n J- OJ "■* OJ r- w-4 0 X J-. m j~. . x> •X OJ OJ .r. 0 X rvi ^ 0 »^. !~0 cr CJ • »— 1 X OJ LO O^ iT' 1*0 -0 ^- 0 m in m X OJ J~. ^T — 0 C7- >o r\i • x> OJ =3 "^ ■0 X _, 0 O • 0. X 3 OJ r^ ._, 2C X — B f • m — V"! OJ OJ r^i . c- — 0 O ^. • ■3 - >o 0 Oj ^0 i"VJ X ^ 'f •>! M i-< >f --< O — • ■=> O o r-- Oj oj X X ^T OJ •■»- •■^» — 1 Oj ^T I I I I I >»>->->->■ — >—►—:—►— !—l — « <— I •—• ^— I i : — I — f X' 3 1. C £ < <. —►—•— x x x x to o =r — < o 3- -o -C r\j —♦ -j"i 5 o 2 CO J*"l ^T J"» • ? -o i—i CO >0 ^^ nC • 2 -\j *-t >o l/t *■* rvj it <\s in ^ rvj -O — ' — * < ?». r~ \ n ^\i o co ~ •*-> .? \ o c ^~- i. t— r 3- •< >_} cn ~ :r o _i_ 00 ^> . — X <. •— #— i •— « i_j "■» _r -O — ^ -!_. — ^-< — V , _u o r— y. :/} 21 i — i ^ ^_ v. _i oJ O X -c en £> — v-» s — . '*> <— > ~l; jj o jr -U — j? f\i rv w -vi r-0 £ ,-\j — • J~i O- -C Xi ~ ■+) X r^l J~s cr -c o o — — -n j-i CO — iO L»J — r-- v. — • — i r\i — -cr x ~D ru »-• *o ixi > _T — • "Vi O **1 • iM — ro -C •3 ^3 ■A. — • II B-1915 — i i i » IS co 3 raj ii mi r^ r^ -o — 1 LJ >* < 3: Xi ■7 3 r^» Z —« x. n co — ' co — • C_> CO «- Z. S> J- _J O. >» -i. 0- '-, ~y «o X — _l CO Q 1— < w 2 Q C: t— 1 _J o_ ;/> iC jj —\ CO r-< X > <1 JJ t— X_ Cl _ co jJ .\J 1 Si — »— 3C — Uj •^i I JJ < i_> Ci-S i_ J- o o a- iO sf» — • ° M 7 (\J O ?*n 'vj t*» r*" O1 i«r) c> -O r- -O co O* f*1 ° • o *c ^ rvj «-• .*vj co .c © X n"i f\j o* >p cr • .•^ i Xi — c -n ro C* X< •"xj Is- 3 3" " rO C7 • rvj >n ^ iM 3 l r^ cc x. c • i\I '-P -c r\j ^ -*vj • ro :x -X? fl ■ zr — •\i J-- LP. •rv J" ^1 • .> o a: i/5 -o _J < cr r\j — — • 1 1 X> A. 11 /b I — , C •a. >— — i c_; r» Cj jj !*■"■ lU — — • Zi il. V. X -C >- < 111 — I X x 2cS I H3? • • a • - » • • * 3>? O x r^ rO »-• ~-> o • ru AJ rO — -* o • _J Kl r- ru rn r^ ru CT < x> ~o o •o 3- -O »— rvj f\J rv CO o t— 2 J1 ru r~ a* LP N-, • • 2 .-H •— i *-♦ —• J-l ~c • .2 s o- __^ ru ^ in sO ■•— t • * 2: — • r— • «— » J^ vC • /-** >* 2. m r-n ru r*. 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M M rv x X. — X rO C f\J • co t\i a :? — • rv. x x .-vj 3 — iT «-« LP G X. e~t *-* rv J". -3 >» A* V) X f-> — x ~ X >v X .\; 3 S\ !*\ 7*\ 1*\ -4 rv yi —» x ■— CO l_5 -Aj jj X X "V j. c *n x — x .-o f^ -C 3 X J >r -c -■ rv — >n •-* x x x _l V_) j- c >o - x rv c: • .— .-o — >o -o 'J us* as tf X V •V -' c — o — v- rv X .V ~v_ r-^ ~~ — lit x *v r- IT B-191S J-t rvj 0 X) CC 00 r- —t •-VJ f\i r\j _l X »— < r» r*l r- x 0 <. 0 ro => 0 sO CO rvj 1- ccr ^< — < ~-« rv rvj o >— *— 1 »^ =T 5: -o ro ?■«. >. =0 0 CO ru z <\J in en r"l — • =e 2 •*-+ ^ =3- »— 1 3- rO r>» 0 cj -3" 2 rvj •— • *•* ■c K1 rvj r\j i K*. _, __, CO 3 ~. «/» z r\j n co .-m CO n-. to -3 ^ 3 UJ ^ — J£ CC _r. <-' s_ f _ >. _» jj -O -r ~ cO iM CO <— * — ■ ■3 JJ — X i. ►— CO j_. rv _; r, rvj — "*" — aJ X 1 . < _ jj J-l -\j rO cO cr a «j-, -w~, ' v J~. j-. i **~ rv cr j-> 0 — < CT •— * •-1 r"u "-* *'H "■* ■H j- ^ 0 0 rvj .__, ~*v r- rvj X -C *z. CT c — rv! "V. fv ,~n j' jj CT C — r*i J" ~ »- x — » © Aj f\! — t»~ "V 0 j-i ?sn c i"0 •/* -f -« rO J^ — rv "U ,_> cC -O X CC J-> J^ — rvi • \J T "\. rvi >r ^c "Vj ! x -VJ II B-1919 — t t 1 "1 •ji •si m < 2 -O 3- ^ 5 co r\j "3. .— co *x' r- H f\i x r~ 'v_J 10 -O >sr nj .U .0 It. %#■» ~ X -C , j. rv »— * — « JO Aj 10 _' re >/: yj r\j •v: /: rvt "\j rv AJ c o -r- -C ~* <\; Kt o »n =o o •© io ao i-* © o* o r*i r»- c — ru nj co —i o* fU — co PO C o -^ cc rv: — < in o :0 CO PO 3* 4J .O AJ £ X la r>- s v. •O =T * "V fVl t\J C J- c "j *a rv «~ = C -C J"> *T. rA rn >> H O" _A c IT — .c j-. rvj cr t <*- — rv r\j -c rv j~> aj x, a. 3 S L^ C "V -v. o o r«- -c 0- • 9- P\ -O 'J\ J"> "V! ^ X-i :x! -V V >? 'X ^ C~ -'I — cr s-- x x rv. • • ■ • • X ~ w ^ r\j l I I I I j~ j- >- r- >■ o ru ru O • »— i j^ "O O • «-4 ^j x> m K1 o* »-* r*~ O X) IT. -o CO CX % a rvj o _ ru cO • • rvj --« =X > — * •— ' -O o* >o ■7- • < «— < ■v r— < • ,-• r\j X5 — ru • « »— t ro ^■4 ru _n >o vi i-n C 4 ro a; * CJ r- • ^ iT -o rv F>- • , ro -o < • l f\l =7 ru o £ • i rvj i^ « ■> ru j-. 3~" -. X • > >=. •— « V"S ► -i-> c a rO j3 • » _^ r^ » '£. ^r. >n J". V • » VO >o » ^ j^ •^- o -C • » X. *—t •X » o „ -x ^ r^ *> * ' ^ X -A ► r — ^ -u .->n ~- J~. • ■ "C "^ .v-i -C " £ \> _ _ rv • •~v. " >/■. C — ,. _ p**s • - V ' "*• ■"• r-. *. _ X' - • 'v. — ■**""; "*~ ! I l I i II B-1921 r J< • ••»•• • O — X: J~> CO 33 O r\j sy »•« o _} Kl -o cC ■•— « r- J\ < r\j «** Xt j-> ^-4 3 >— jc _n rv -~ -o ^ — ^ • .z ~* ^H fO c: ro ^ f» \f\ » f\J K! ^T O" • >t >T> ~-r iT» •"\j J? — < r*"> J^ 5T r =c X r^ — .-o rv C3 nj j" -3 rvj — LJ l-» -^' r> -*\ ~ -i~- r*- — - — ; \ _7; Jj 2 — i _-L 'Si "r — > ~' '. 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Kit. — II B-1924 x >- < :_U ;>? ro LP X) ^r <\j CO o *-* rvj ru (M o _J o a- a o O ^7 cC c <\J v> ^r -' *"^ ^ 5> — ■ - c "V c? _2 rv • f\J — yi c X> rv c; in n \i X — ■o -T) ■*o -n (7- c r- C- x, ^ — a* -V "\a — UD •" i_- n >^ Li n •C !\l -Q »-• O" • o- — it. rvj c ,•- .■v «- r~ — < C/2 ... ^j v j-. — * . — rvj » X — *0 «-• l^- ->j — o =r cr> :o "sJ r^ r-- 'V -C C n^ j- — en w j~> t i. II AJ Aj rv: <_> *\J 7^ A ; a _ .-Xi _. __ — "V r-- J" ' rxi x II B-1925 o x _l 3 ^ M I— a t*\ £ -P 3 aj 2 Xi s "VJ 3: c- cp X cc -p co "VJ OT jj "V! JO >o x aj oJ — rv fp r*\ J"> X! o O O — « x> rvj r\j *h o 45 O' SO lf« fO in «0 •^-i 3- -n co o rO ru aj c 3 r-~ «■* co c •^ f\i —• m x lp x c- x ip — < ~ • — « o- r^ x c — j-i r\j o — < .-vj c* c rv j^ -o o ^r xi y> — X o* r»- in fP ro c; o 'v.. lt> "P ■j~i >o pj r- O f-» J"' C X "Va -V' -~ c _r. x — •£ C. 0» yi c; — < (_• W ^p «P ^-i O 2 Jj CO -n /i X ~ — — y? — f^. ~r- -v. jf* :»n _- 1 o *c "V. r*- j-^ v X J"1 •p O- c; lT — C- ,_P IT" J- -p — rp 0* -vj (? _r !•* O JT * r\j -j- j~, x rp -» — "V. X' r- s< X -o — *p ijn X r x ^ T — X X X X cr. >? j< < ?«< — X -3 *r. f* X 3- X - C *». «*", Qs V. i I I I ) *c *-^ -c *i -c -0 X) CO r j~ <■ » '■_) ~ i. il i; J f i II B-1926 7- ■ N W > PERCENTAGE OF OCCURRENCE Cf WIND DIRECTION FOR 8 FOOT LEVEL II B-192" C O :? »>C 33 A'T 2 Q SHI N W PERCENTAGE OF OCCURRENCE CF WIND DIRECT I ON FOR 30 FOOT LEVEL IT B-192S N W - PERCENTAGE 0F OCCURRENCE CF WIND DIRECTION FC^] ICO FOOT LEVEL II B-1929 \ u / ■ N H PERCENTAGE OP OCCURRENCE CF WIND D ERECTION FCR 200 FOGT LEVEL II B-1950 or c rr u a en U' I T I n u u. U LI -Y ^ r ■.r a ■> -3. t a — ,t rr »— C U- fl »-1 <1 _l tr c UJ i- u. ■7: c Ui (T. z c a •- UJ « c »- li. !!!! •— » X u I—* Cj~ x c/: il_ 3. a. ~ • v C/"> t— < *— ' r a. u. * C U. C rr rr. »-. Ttr L. IS C ' —t UJ C3 T C Ct I II ~ I (T Z U. ro 7- O _J c •- r — . .-. c\ .0 \3 a-, I I— I H H O or r> c T a: u_ a. •/5 UJ — I I a. r, >- ~ — Z >-* C ar. r c c •• ii_ u. •— t z: 1- u. *- tff t_J >— u. u. 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N o -.r: sc — -•. z- cv — — — cv 5. *— f* »~> «- ^ '<^ s r> r. .-. •- it r f~- — re u" c o -c I l i i i r. -. r r •; .- «r -~ * — r» tv *£ .: — ar -o n: t~ -o •— — .- •— r\ "v *v v. >» -^ r^ fv. f^ rv »v hi »- • • • . » II B-1934 cr c X or u- Q- UJ u T — I to c: < — j", ^- ~_ j; T V c c • • u. U. •"" Y ~ t- u >- v? l_> »— UJ U LL. C 15 .T T~ — ■c »— Or o U i— UJ »— (_) ■>■ r» T aJ -« T" ~ a W— ►— _> v^ /— t£ X U.' s iff t T *- C LU ■• n ~ r\ T y. »- «« ►- t _i co 1— » »— tr c Z 3 U1 UJ «f 2? »- U. Jv tr t— Z CL LZ j.1 •K u. tr c u. f rt cr a: *-i or ^ C t_ tr ci r? IU 2 *■» UJ o OL »— > *2* » X UJ 1 t 1 n t c tr -t U. 1*3 z o z o _J »- UJ cr »-» ~ »— •-* I— ST r -c >— LJ r> •-* *^ Ul I o cr cr *-* a •— »-« x cr> JcT cr •4 W, lU X *I LJ cr T 7 UJ X a »— i ■>■ »— CJ •z *— ►-• U. "2 «• «■* tr. (J >— X »— 5? - 5 E31 til -J r»v >v •c ►V J-, ex ir. tr. cr. «— o-e K> •^ «- C\' if) <£ cv rv X — "- s C c cc T cv CV - — - CV "^ iT/ ,f> iT iT V — cv •^ '— ♦ .«< r*t r- ^ ■r _- ~~ cv •^- cv 1 t 1 1 1 *■> s~ Si X. .>. •~ cv ^ N» V. a a a a -<(\/ iO 1 r II B-1955 T UJ ■S 1 a. c uj ^ »— U_ lL ii. c ts /-. r> UJ -* 2 ~ C »_ Y-+ j-j x-. s is y- UJ 5 Z? a: rv •- C. u. • • d "7 a X r> t-t - »— ». *— tr. c X 3 U.1 UJ < r^. »- u. a ir ►— 2T Q. j UJ X U. CC c u. C «-<_ rr a- *— * 2T 2T C t_ tr C ~ uJ 7 »— i UJ *~5 a >~ X r fr X UJ -* i i ~ i c cr ~z_ L. n 2 O ^ cz. j i-i UJ cr *— ■^ »— >— t »- v? X. -S t— c_ r> »-• < UJ s: c_* ct *v »-c c; »— »— « x »— o X u_ s ^ »-• «c ?v ir r r\. — . jv — * — < • -* •• •« »» »• cv -< — i re n ; i cr c rx rv ic UJ k; Pi r*i — -«3 f. m ic r c i t i t i in j^ j~> r- s f; r. ■o •- i: N M^ C\ .->> rv C a" rr c\ c\ c\ "v >. "s. v. v c c c o r> I] B-1956 — « C\! fl 1 ■/: a rr> c cr UJ CL tn UJ CJ ■> r* T3 UJ <; ~z ~ a _ r— i o .o D ir 3: u. ■^ ■?• nr ."*• »- cr txi • • C 7 a. X i*5 *- ►- u. a KT. ♦— :z a. u? UI X u. u" c U cr C OT 3: •-« rr 2 C CJ ts c ~ Ui 5? »— i ut cz CL »-♦ 3: o a x UJ -*: l I ~-> i C tn z u. n 7 o 77 o _j t— u. C *- "~* »- •— • >— CO x •< ►- t_* ■3 •-• < ut z u Ct cr *-* c; k— *-* x vo «C c ■< c/? UJ y <. c_: c: ? =»■ u: x c »— V :> >— o X *- *— u_ "r ♦-» *-^ tn !U r— X »—> ..J H3 ■— z C* J) -n S: co m a ^ >r cv •* •• »• »• •* CM ^3 ^ « ^ f^ u-. -C c\ c\ cv cv la j G. C*. -T. .T! J» V V ^ •- - cc v r- ro c\ I I I I * r JD X! .T> 9. r; ^» T? — — t cv rv — r: in ^ r ^ II B-1937 »-» — cv >n ^ ^n tt: D O X or u. cl t/~ UJ TT E I I UJ ^* jjj o. > c 7. rr e c c u. ►-« u_ u. < »- or ra UJ ■> n *- c m y _i tn c UJ ^ CL UJ z a. *~ ui -* c •- u_ I— X < "3 ^ X c_> »— i O X w. ar. «r UJ X r> t— *— t~ U- 3C r Cr •• u. ir x UJ »- o — I- l_J T. U.I — a .- UJ s T n- u. •• a. t r. tn •— t •— r :< uj < cr Cr. ir. »- L£ LJ X C u. C 2c nr ^ or t_- — y: »- cj < UJ 0- or »— •— i UJ c »-> »- fl E3 r. K", (V V «•. < • • •• •• •» ■« O K rt if !T rv — (O r ^ *: ■o cv cv cv cv r\ II B-1958 K- • . • . . •— — CV' rO s? r> Or r> cr X ar Ul a. cr UJ _i *- T — 1 r; o 1 UJ .-» Oi c n •v O 3 *- UJ P2 c: — « cr *- ^ 2 ?r ?" c c •• u. U. •-• 1£ T *- UJ »- tou>- u.- U. U C u.rr -- «t »- a: O i_> *— uj «-> Cs > O TUI «» 2- — a w t-l JJ T> f^ li 2 U. ~± 2 rr cr *~ C- Uj •• C5 3! CL X j/» »- •— ' CO C X ^ UJ uJ < o t- u.' a «/3 t— Z1L5JJ X uj «/: c. u c O ar or «— • r>r 2: c u tr- c - Ul 7 >-i UJ o Q. »- X C Or T lil -* 1 1 -J 1 C t— <_» ^ »— •-> U. 2 — «_« ff Ul >— T •- p *- 2 La ■ Q > al ; f H ; n L_J • < ■c — • s r: cm o (v ."i it. a mcior i ^ cc *- it c o O. rr r\ v- *v \ •v V V \ C\ o c\ cv f\ UJ — < — — ^-* — < »- — CV rn *z j~) c II B-1959 n O f o BIOLOGICAL BASELINE STUDIES TRACT C-b Il-Ci c A STUDY § CATEGORY TABLE OF CONTENTS BIOLOGY METHODOLOGY RESULTS § DISCUSSION LITERATURE CITED Page Page Page Terrestrial Wildlife Studies Big Game II C-l Medium-Sized II C-2 Mammals Small Mammals II C-2 Shrub Production/ II C-2 Utilization Arthropods II C-18 Soil Microbiology II C-18 Avifauna II C-19 II C-2 II C-2 II C-2 II C-2 II C-20 II C-31 Aquatic Studies Periphyton Benthos Fish Phytoplankton Primary Production Water Quality Sediment Analyses II C-33 II C-35 II C-35 II C-51 II C-51 II C-35 II C-35 II C-35 II C-51 II C-49 II C-60 II C-60 II C-60 Terrestrial Vegetation Studies Herbaceous Productivity II C-61 II C-61 Soil Survey and Soil Productivity II C-110 II C-ii c II C Biology II C-l Terrestrial Wildlife Studies Mammals Introduction Data were gathered from November 1, 1976 through September 1, 1977. Discussion of the tabular data contained in this section will be restricted to a brief description of the methods used and to identifying those data which were gathered during two periods: Nov. 1976 - May 1977 and May 1977 - Sep. 1977. These periods will be referred to as the "first" and "second" periods. Scope of IVork Road counts, shrub production and utilization studies, pellet- group surveys, and age class composition surveys, were conducted for mule deer. Lagamorph pellet counts and small mammal trapping were also conducted during interim monitoring. Methods Mile Deer Road Counts Mule deer road counts were conducted in the same manner as during baseline studies. A 35-mile length of road was driven (from Rio Blanco to Little Hills) and all deer observed were recorded within one-mile intervals. All counts were made during late evenings. Deer Pellet- group Studies Deer pellet groups were counted along twelve transects located in two habitat types, pinyon- juniper and chained rangeland. Pellet groups were cleared from the plots during the first period and counts were made during the second period. Age Class Composition of Deer Age class estimates of deer were obtained by observations of deer in the agricultural meadows near Piceance Creek during April 1977. II C-l Production and Utilization of Bitterbrush and Mountain Mahogany Production of these two forage species was estimated by measuring new shoot elongation after the termination of summer growth. Utilization was estimated from measurements of what remained of this growth following winter deer use. Random samples of groups of 10 shoots were taken in the fall and tags were placed below these 10 shoots to permit relocating the same groups in the spring. The fall field effort occurred during the first period; the spring field effort occurred during the second period. Concurrent with studies of shoot lengths, groups of 10 shoots were clipped, dried, and weighed. These data were used to obtain production and utilization by weight. Lagomorph Pellets Lagomorph pellet counts were conducted in the same plots which were used for deer pellet counts. Plots were cleared of pellets during the first period, and counts were made during the second period. Small Mammals Small mammal trapping and density estimates were conducted in the same manner as baseline studies. All sampling occurred during the second period. Results Mule Deer Road Counts Mule deer road count data is presented in Table II C-l showing large concentrations of deer near the mouth of Sorghum Gulch. Mule Deer Pellet-Croup Studies Pellet- group densities are presented in Table II C-2. Densities were the greatest in the chained rangeland particularly Sorghum Gulch. Age Class Composition Age class composition data of deer wintering near Tract C-b are presented in Table II C-3. Shrub Production and Utilization Production and Utilization of bitterbrush and mountain mahogany in pinyon- juniper and chained rangeland habitats are presented in Tables II C- 4 through II Oil. Some of the analyses are uncomplete, therefore final conclusions cannot be drawn at this time. II C-2 Lagomorph Pellet Occurrence Lagomorph pellet occurrence data is presented in Table II C-12, Occurrence is slightly higher in the pinyon- juniper habitat type. Small Mammals Density and relative abundance estimates for small mammals are presented in Tables II C-13 and II C-14. Density and abundance are significantly less than previous baseline years. II C-3 c • r-1 u c CO u -3 t-H (X, t-i o o iH .»-» J «4-l rt <~ "g u 3 -O c o u 8 CO <§ a) i uz <;i :"_i 1 1 1 CM CJ 1 cm a\ cm 21 r^i cm Si si to o Ql f— H Ml > PI C 1 CO r - c: o « , o H >l rO _ij Ol p SI 1 ,_ Pq 1 T— o 95 pq vO p CM CO iH • •P ^ •H O CO P H-P •H C *- cm to •<*■ to o c— "0 cr> o •>- cm to ^ u-\ o r— co c\ o •<- cm t."> -e lt\ o r- rz cr. o i-r-i-T-i-i-T-T-T-T-CMCMCJCMCOCMfJCMCMCM:-"> r-Ojn^T lO o to to ro to CO O lO CM •«- tO 0^ O CM :— CO t- ^ to S> t— C— CO O O CM CC •* t- cn LO C— C"» ~D ^D O LaONCNO T- to CO to in *- CM T- 1- O LPi t- CTi C— to O C— i- «0 CM CM <- O to SO C7N KMO O r- tO CO •>- -0 <- -=- LO O CO O -i" -^ CO 'i" O to .O ^-i- *- CM ^rO KNt- CM lO O '-O ir\ o CJ\ •^-C-"i •<*• to CO in to CM to CO CM -^ fO to t- to c\ to o<- CO ■<-o i^tAc"\o r--r-CMOCM CM »- CM CM CM .D IO <- T- IOt- a\ cm o mcM CTiOvO'-L'^vDCMvO C— O CM tO t- •!- VO CTi *- •<*• tO •?- coi.'\cM'«-m^cMO CM CO vvOOW^fN «- CM CM CM CM O to CM tA O nTint-t^t- t- CM O ^<" CO cm i- m CTk C^ C7N •* t- LTv 1-Wt- ^5 o rH 3- O o ft rH CO ^i o O -P d c o o o c o o H rH •H Pi to u o CO o +> CO o o c d p o t- CM to •* IT\ O f- CO CTN • n •CMS"\'d-LPior^cocriO'-CMrn->d-invor-cocriOT-cMN"\'*-ir\ • t- i- i- i- t- t- ■»- t- CM CM CM CM CM CM CM CM CM CM KMA h^ tO K> tO o CO to O o cr> c\ to en CM o CM O cr> cr> o to CO O -3 S CJ ^» rH h d oj +> ca O J3 £h o I II C-4 Table II C- 2 Deer pellet-group densities, 1977 Mean pellet- No. of No. of Habitat type groups per pellet- .01 acre acre + SE groups plots P/J-C-1,2,3 Pinyon- juniper 3S6+36 221 60 P/J-T-1,2,3 Pinyon- juniper 375+38 225 60 Ch-0-1,2,3 Chained rangeland 638+39 383 60 0h-T-1,2,3 Chained rangeland 803+73 482 60 II C-5 Table II C- 3 Age Class Composition of Deer wintering near Tract C-b Date Fawns Adults Pawns / 100 adults 27 April 1977 99 151 65.6 II C-6 J Table C II-4 Production and Utilization of Bitterbrush in the Pinyon- juniper Habitat, 1976-77. Estimates are based on lengths of new shoots. A 3 U PRODUCTION: length Length of shoots UTILIZATION: of new shoots in remaining in in percent fall (mm) spring (mm) Transect Mean ± SE (N) Mean ± SS (N) C=^pX100 p/j-C-1 83±7 (100) 33±3 (100) 61 P/J-C-2 105±6 (100) * P/j_G_3 107±9 (100) •* P/j-T-1 64±5 (100) * * P/J-T-2 115±15 (100) 29±4 (100) 74 P/J-T-3 85±7 (100) 26±3 (100) 69 * analyses incomplete II C-7 Table C II- 5 Production and Utilization of Bitterbrush in the Chained Piny on— juniper Habitat, 1976-77. Estimates are based on lengths of new shoots. Transect Ch-C-1 Ch-C-2 Ch-C-3 A PRODUCTION!: length of new shoots in fall (ran) Mean + SE (N) 126±12 (100) 196+23 (100) 113±9 (100) 3 Length of shoots remaining in spring (mm) Mean ± SE (N) 47+5 (100) 65+8 (100) 16±2 (100) UTILIZATION: in percent A— "R C=^Sx 100 62 67 86 ( Ch-T-1 Ch-T-2 Ch-T-3 183±22 (100) 308±29 (100) 274±26 (100) 42+4 (100) 56±5 (100) 96+12 (100) 77 82 65 ( II 0 8 Table C II-6 Production and Utilization of Mountain Mahogany in the Pinyon- juniper Habitat, 1976-77. Estimates are based on lengths of nev; shoots. Transect PRODUC TI ON : length of new shoots in fall (mm) Mean ± SE (IT) B Length of shoots remaining in spring (mm) Mean ± SE (N) UTILIZATION: in nercent A— B C=^r2x 100 P/J-C-1 P/J-C-2 P/J-C-3 51±3 (100) 76±8 (100) 64±6 (100) *■ 33±5 (90) 21 ±2 (100) 56 67 P/J-T-1 P/J-T-2 P/J-T-3 57±4 (100) 55±4 (100) 57±3 (100) H±2 (100) 75 * * a analyses incomplete II C-9 Table C II-7 Production and Utilization of Mountain Mahogany in the Chained Pinyon- juniper Habitat, 1976-77. Estimates are based on lengths of new shoots. Trans ec PRODUCTION: length of new shoots in fall (mm) Mean ± SE (II) B Length of shoots remaining in spring (mm) Mean ± SE (N) UTILIZATION in percent A—T3 C=^ X 100 Ch-C-1 Ch-0-2 Ch-C-3 65±3 (100) 78±5 (100) 109±9 (100) 20±2 (100) 26±3 (100) 25±3 (90) 68 67 77 Ch-T-1 Ch-T-2 Ch-T-3 111±13 (100) 91±9 (100) 114+15 (100) 34±7 (100) 19±2 (100) 39±5 (90) 69 79 66 II C-10 Table II C- 8 Production and Utilization of Bitterbrush in the Pinyon- juniper Habitat, 1976-77. Estimates are based on weights of new shoots. A B C PRODUCTION: weight Weight of shoots UTILIZATION: of new shoots in remaining in in percent fall (g) spring (g) Transect Mean ± SE (rl) Mean ± SS (N) 0=^X100 P/J-C-1 ,07S±.007 (100) .055±.006 (100) 30 P/J-C-2 * * * p/j-C-3 * * * p/j-T-1 * * * P/J-T-2 . 106±.011 (100) .045±.009 (100) b7 P/J-T-3 .104±.011 (100) .047±.006 (100) 54 * analyses incomplete II C-ll Table II C- 9 Production and Utilization of Bitterbrush in the Chained Pinyon- juniper Habitat, 1976-77. Estimates are based on weights of new shoots A B C PRODUCTION: weight Weight of shoots UTILIZATION: of new shoots in remaining in in percent fall (g) spring (g) Transect Mean ± S3 (N) liean ±SB (N) c= =^5x100 Ch-C-1 * * * Ch-C-2 * * * Ch-C-3 .162+. 01 4 (1Q0) .029±.004 (100) 82 Ch-T-1 * * * Ch-T-2 .383±»039 (100) .153±.018 (100) 60 Ch-T-3 «373±.040 (99) .275±.041 (100) 2b * analyses incomplete II C-12 J Table II C-10 Production and Utilization of Mountain Ilajogany in the Pinyon- juniper Habitat, 1976-77. Estimates are based on v.rei.r,;hts of new shoots. A B C PRODUCTION: weight Weight of shoots UTILIZATION: of new shoots in remaining in in oercent fall (g) spring (g) Transect Mean ± SS (17) Mean ± SE (II) C= £d§X100 P/j-C-1 * * * P/J-C-2 . 187±.022 (10C) ,OS9±.015 (SO) 53 p/j-G-3 ,125±.009 (100) ,052±.008 (90) 59 P/J-T-1 .144±.013 (100) .034±.005 (100) 76 P/J-T-2 * * * P/j-T-3 * * * * analyses incomplete II C-13 Table II Oil Production and Utilization of Mountain Mahogany in the Chained Pinyon- juniper Habitat, 1976-77. Estimates are based on weights of new shoots. Transect A PRODUCTION: weight of new shoots in fall (g) Mean ± SE (N) B Weight of shoots remaining in spring (g) Mean ± SE (N) UTILIZATION in oercent A— B C=^p2x 100 Ch-C-1 Ch-C-2 Ch-C-3 .106+. 010 (100) .05U.005 (100) ->:- * 52 ■K- Ch-T-1 Ch-T-2 Ch-T-3 .272±.033 (100) «■ .285±.023 (100) ,065±.C09 (100) c049±.026 (90) 77 82 * analyses incomplete II C-14 J Table II C-12 Occurrence of Lagomorph pellets in .01 acre plots, 1977. Transect Habitat tyoe n°' of ?lots Bo' 0±' plots of Jx of occurrence of no occurrence P/J-C-1,2,3 Pinyon- juniper 50 10 P/J-T-1,2,3 Piny on- juniper 46 14 Ch-C-1,2,3 Chained rangeland 46 14 Ch-T-1,2,3 Chained ran^eland 40 20 II C-15 n3 O Pi •H d o •H rH O CO H d H ft d E 00 ft O CQ O -P 05 6 •H -P CO 0 0 O fl • d t> nd C- P cr> J3 T — ,£> d -p CO bO •H 2 -P< d H *■ 0 rH ?H 0 ft ^d •H £ P d PS •i-3 >s 1 •p P •H O CO >> P P 0 •H n ft to H* ■P p CO CJ •H 00 a Oh 0 o ft o Sh d O CD rH pi ft p CQ H oo ft d O ps fd rp a Fh ■H U o > P rQ •H -P E ^ P 3 £ d •H o d rP -P CO •H ft co d P 0 ft £ •H P d 0 e d o o o 0 E d 0 •H ft •H -P P 0 •H O CO 00 LO • • to X X e E ft ft •H •H rP rP 0 0 P d CO -p d P 0 ■H Hi 13 CM o C\J 0 CO o e -p 0 r— 1 0 o ft 0 rP O d ft < c\j CO to t^ KN O O C\J * I I -P d H Td o o •^. "" 0 -d CO 0 0 2 ft CO o •H P E d o -p E £ ! o >> p. >> £ 0 £ CO 0 •H P* fi ft ft CO p -p d 0 H CO Ah P CO P 0 0 0 ■H 2 £ d d •H 0 d E •H rd P 0 £ 2 0 0 •H f4 •H d d d rH rH d P ft & nd p. 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P^ d rH P> ft o rH 0 rQ I 0 -P O 0 rH PS ■P Pi d 0 co H d ps •H > •H rd P •H ft • O O o o & X II C-16 I P o P •H ft C\J 'P •H P ci5 CO H d g E d H d g ra (D P l-H d — t E CD •H »H P •a CO CD H o • o r- p c*- d cr> ^P T- p ^-p ,£2 00 d 3 to o p X •H -P ~ d nd H P o d PrH ■P ■P O P O d £ >sP -P 0) •H P.: CO -H P P o 3 P---3 -p p o to* O ft o P d o o p p «h d o pi nd P -H fH a ;> pi .a -h -P pi P d •H O d ,P >>\ P> CO •H H co d P S O -H P CD s d P P o o o o S d P o •H C\J • • ">f- C\J CD d ^p H P •H O CO p p E ,P o p 00 d a P co P g ■H P •H ?=: col d •Hi E d p P to o CM LT\ • • H P CD P rH P P1 -H ft ft P P •h -p d a< .P o E ra I P -d d CD p P> rd 3 H O O P C±S t3 P •H P CO P P •H P P CO •H rH d, H CD| P d H CO cd •H E d I p 31 3; •H P P O g rH CD pl co en o ro CD CO p o E -P CD o o ft o P o d ft SI d; d p cd p t: o p CD PM \- N^ \£> C-- 1- CM • • • v- o o to CO p p> d H P o d ^d •H P O o ■H P O C\J I I P d P rp o o ■-» .-» CD 'p CO a a p H K o •H P E d o ■P g P 1 o >i P >3 P CD P CO 0 •H p P PM PQ o •HI •H O d P P a d P P S P o CO ral P •H p o o o CO CO d fe p- e; S g 5 o o P> p p o CD o CD PM PM P CD d ■p •H rH CD -P CO p • O H O CO d CD rp a H •H d p> I to P o p pf d P pi CD CO CO ft d P p C\) CO p ,p to •H P ft d P p «H O P CD ^> CD ,P P> O I nd P P P> & o CO H d P ti •H t> •H P •H o o o M II C-17 Arthropods Arthropod studies were discontinued for Interim Monitoring. Soil Microbiology Soil microbiology studies were discontinued for Interim Monitoring. II C-18 Avifauna Introduction Estimates of density, percent relative abundance, and diversity indices were calculated for songbird and songbird -like species for 1977 between January 15 and January 18 and June 7 and June 9. Raptor nest censusing for 1977 was conducted during late April and early June. Scope of Work Two transects in chained pinyon- juniper rangeland and two transects in pinyon- juniper woodland were censused in triplicate. One chained pinyon- juniper transect is located near the proposed construction site, the other at a control site which will not be subject to future disturbance. The pinyon -juniper woodland transects are also located in an area near future disturbance and in a control area. Forty raptor nest locations were checked for nesting activity. Methods The method employed for censusing was the strip transect method as described by Emlen Q-971) . This method provides data from which quantitative estimates of density of songbird and songbird-like species can be calculated. Transects are 800 m long and are permanently marked with steel rebar stakes and flagging. The method used for the analysis of quantitative data collected from transects sampled are similar to the analytical methods described in the Sixth Quarterly Report on Inventory of Avifauna at Tract C-b Shale Oil Project (Ecology Consultants, Inc., 1976). Estimates of density, percent relative abundance, and diversity indices were calculated for each census period. Nests were found using photographs and topographic maps of their locations. Observations were made using a spotting scope from a safe distance (50 meters or more) so as not to disturb possible nesting activity. Any new or undocumented nests were photographed and recorded. Where there was no observed activity, closer examination of the nest was made to look for fresh pellets, whitewash or green material. II C-19 'o- Results and Discussion Tables II C-13 through II C-16 and II C-18 through II C-21 summarize strip transect results and estimates of relative abundance and density for transects censused during January, 1977 and June, 1977, respectively. Table II C-17 (January census) and Table II C-22 (June census) summarize diversity indices calculated for each transect. Where data were insufficient no indices were calculated. The pinyon- juniper woodland transects exhibited higher avian diversity and density values than the chainged pinyon- juniper rangeland transects for both sample periods. In the April search for early nesting raptors only one nest was active at that time, a great-horned owl nest. There were three active great-horned owl nests the previous year. The remaining nests were checked in April for signs of early nest initiation and courtship: fresh whitewash and green boughs. One nest had green material, and a pair of red-tai]ed hawks were flying in the vicinity. This nest was later inactive. The weather was extremely windy and somewhat cool at this time, a factor that could possibly have influenced the choice of nest sites in the area. The June search was made to find activity of later nesters. Neither of the two golden eagle nests active in 1976 were active in 1977. One of the seven previously active red- tailed hawk nests produced young in 1977, A new red- tailed hawk nest was encountered which produced two young. Another new nest was found / with common ravens on it. Because of its inaccessibility and demonstrations by the adults, young or eggs were not seen, but were presumed present because of the defense behavior and brooding posture observed over severa] days. During Interim Monitoring no active search for additional nests was made, but two new nests were located because they were occupied. One nest was a common raven nest and one was a red tailed hawk nest. This brings to 40 the number of raptor nests encountered to date. The total number of active nests for the 1977 Interim Monitoring Period was four. Nomenclature used in this report follows the American Ornithologists' Union (AOU) Checklist of North American Birds (AOU, 1957) and sub- sequent revisions (AOU, 1973 and' 1976). i n c-20 j TABLE II C-13 Avifauna estiaa.tes on transect 1 , Chained piny on- juniper woodland at Tract C-b for sample period 1 , January 1977 Species # Coeff Ba.sal Density S$ Relative Obs det adj /ha abundance COMKOIJ R03I7 3 * * 0.05 60.0 T0'.7H33ITD*S S0LITAIR3 1 0.50 * 0.05 40.0 Total 0.09 J II C-21 TABLE II C-14 Avifauna estima.tes on transect 2 , Piny on- juniper woodland at Tract C-b for sample period 1 , January 1977 Species # Coeff Basal Density fo Relative Obs det adj /ha. abundance SCRUB JAY 2 ■* * 0.03 10.0 MOUNTAIN 0HICKA3S3 4 0.50 -* 0.14 40.0 PLAIN TITMOUSE 3 0.50 -if 0.10 30.0 V/HH3-3BEAS53D ITUTKA' ECU 2 Total 0.50 0.07 20.0 0.34 II C-22 TABLE II C-15 Avifauna estimates on transect 3 , Pinyon- juniper woodland at Tract C-b for sample period 1 , January 1977 Species # Obs Coeff Basal Density $ Relative det ad j /ha abun dance COHKOII PLICIGR 1 * C0MM01T RAV3I7 2 * MOUIITAIIT CHICKA333 4 0.17 Y/HIE-BRSASTBD ITU? rIA' UCH 2 0.50 Total 0.02 3.2 0.03 6.5 0.41 77.4 0.07 12.9 0.55 II C-23 TABLE II C-16 Avifauna estimates on transect 4 , Chained pinyon- juniper woodland at Tract C-b for sample period 1 , January 1977 Species # Coeff Basal Density ?« Relative Obs det adj /ha abundance COIEIOII RAVS1T 1 * * 0.02 100.0 Total 0.02 11 C-24 - 'O *^- ' CO W CO r-- •rH .p i— 1 ^> fO CO u 1— 1 S o -p o CO .p 1 — 1 ** o b w s^ ft o ,J — r i CO •5 *~ri O *-1 <: v_x G H tr Pi to P> -p o P? o •H CO t- •H »1 Pi c- »o rj 3 crt Pi t= CD «c— •H 1 >> ^-x !> U -P • — s O co ••-J t- 3 to t— 1 Pi rt u ^^ O CO o H h-\ »-? t> CO •r-f !> •s ** ^3 v_>> "»? T- u «• *s^-^ O 1 — 1 «o Pi >> o •H o pj ri o Pi CO P H £ •H •H ft co Pj 3 5 ^ CO cr" CO CO J> O CD w Pi CO i> P3 W o ft !>> •p £ o •P cd p o to CD > -P o B, tO to I o CO K\ O CM v- K\ O O O • • • o o o cr» cr\ tf\ ir\ > ft P^ >> c •H •r-l Pi ft § % •H ft •r-3 °r-3 •o ! 1 fd o Pi PJ o £ O O Pi •H >> !>> •H CO q PJ CO ^ •H •H ^ o (^ P^ o v— CM K\ «5J- Pi o •H P CO +i Ph O O u O CO* •p d 'd p> Pi «• 0.17 4.1 2 0.50 * 0.07 1.7 27 0.54 * 0.85 20.7 2 0.50 * 0o07 1.7 10 0.42 * 0.41 9.9 Total 4.13 II C-27 TABLE II C-20 Avifauna estimates on transect 3 , Piny on- juniper woodland at Tract C-b for sample period 2 , June 1977 Species # Coeff Basal Density # Relative Obs det adj /ha abundance MOURiTIITC- DOTS COiU'IOlT ITIGHTHA'.flC BR0AD-TAIL3D HUIMHTG3IRD C0MM01I PLICI3R WILLIAMSON'S 3AP3UCK3R HAIRY W00D23CE3R DUSKY PLYCATCK3R ST3LLBR' 3 JAY KOUITTAIU CHICKA2X33 WEH3-333AS3ED 2UjH&2CH H0US3 WRBH TOWHSEND'S 30LITAIR3 KOUIITAIII BLUEBIRD SOLITARY VIR30 WAB3LIUG VIR30 BLACK-THR0AT3D GRAY WARBL3R GRS3IT-TAIL&D TO'THES GRAY-E3AD3D JUITCO CHIPPIITG SPARROW 17 1.00 1 0.25 2 0.05 3 0.38 2 0.25 1 0.13 5 0.50 3 1.00 7 0.22 12 0.50 y 0.50 2 0.50 6 0,33 11 0.55 8 1.00 18 0.69 4 0.25 4 0.25 9 0.28 0.29 5.9 0.07 1.4 0.55 11.0 0.14 2.8 0C14 2.3 0.14 0.17 3.4 0.05 1.0 0.55 11.0 0.41 8e3 0.10 2.1 0.07 1.4 0,27 p. 2 0.34 6 s 0.14 2.3 0.44 9*0 0.27 5*5 0*27 5.5 0.55 11.0 Total 4.95 II C-28 TABLE II C-21 Avifauna estimates on transect 4 , Chained pinyon- juniper v/oodland at Tract C-b for sample period 2 , June 1977 Species # Coeff Basal Density % Relative Obs det adj /ha abundance MOURiTIITG D0V3 common iriGHTHAin: COMMON FLICKER ROOK \n&? K0U1TTAIIT BLU3BIRD GR3E1T-TAIL3D TOMS V3SEDR SPARROW IIPPIiTG SPARROW BREWER1 S SPARRO',7 2 1.00 1 0.50 1 1.00 6 0.60 10 * 5 0.31 7 0.50 1 0.13 12 0.75 X 0.03 2.5 0.03 2.5 0.02 1.3 0.17 12.7 0.17 12.7 0.27 20.3 0.24 17.7 0.14 10.1 0.27 20.3 Total 1.35 II C-29 »-T-l f* ►— i H "^ CO CO «H J= to O ■»• Pi •rH tQ « Pt O »«— ' pi •P 'O CO ^ E J* • ■P U r- fC- c i— i rj a H- 1 P b o p w •> o b l-J <^->, Ps a •>. 1 1 ri CD H > — § O E PI CO Pi 10 P P o E o > •-*•» r> T" -P *>~N CO •H •-j a CO »-r-« P: i Pi "^-^ o p o Pj *H •"3 >> P •H t> •. «* »o >»^ *3 CV Pi *- *«-*' o «%3 p; !>> O •H «w P •H G) o •rH U rH O I a ••H Pf Pi o ,a O Pi CO" o £ CO -p rH s °H •H P< CO H P E ^ CO CT CO w s> o to CO E w S CO pj o •H -P Q b o P o o CO § Pi CO «^- r- CO r- in to co r- co cr> co • • • • o o o o cr\ o ^ c— c*~ e c • c r- C\) W r Pi CO rH o o Pi o Ph *H Pi P "PS t P! o PJ CO H rQ O O Pi Pi a) H O c >-> Pi P5 "H •^ FJ P. P O Pj •H CO I o P! •H Pi o P4 PJ O PJ O PL, pi CO H O o p» o T-3 i PI o PJ •H Pk no o P! •H cd t- DJ K\ «C II C-30 LITERATURE CITED American Ornithologists' Union. 1957. Checklist of North American Birds. Fifth Edition. Port City Press, Baltimore. 691 pages. American Ornithologists' Union. 1973. Thirty-second supplement to the American Ornithologists' Union Checklist of North American Birds. (5th edition, 1957). Auk 90:411-419. American Ornithologists' Union. 1976. Thirty-third supplement to the American Ornithologists' Union Checklist of North American Birds, (5th edition, 1957). Auk 3:875-879. Ecology Consultants, Incorporated. 1976. Sixth quarterly report on inven- tory of avifauna at Tract C-b Shale Oil Project, March 1976. 35 pages, Emlen, J. T. 1971. Population densities of birds derived from transect counts. Auk 88:323-342. II C-31 THIS PAGE LEFT BLANK II C-32 II C-2 Aquatic Studies Introduction Aquatic sampling was reduced in both sampling frequency and locations during Interim Monitoring. This report will not include the fall fish and periphyton sampling, since they have not been completed at this time. Scope of Study Collections of periphyton and fish were made twice yearly. Periphyton collections were made during high and low flow at stations P-l, P-5 and P-6. Fish studies were conducted during early July and late October (at the time of this report the October sampling has not been conducted). Sampling stations for fish are: P-l; P-2; P-3 and P-6 for July and S-l, S-2, P-3, and P5-A for October. Benthic invertebrates were collected monthly, by the U. S. Geological Survey (U.S.G.S.) at these six stations: Piceance Creek near Rio Blanco, Willow Creek, Piceance Creek upstream from Hunter Creek, Black Sulfur Creek, Piceance Creek below Ryan Gulch, and Piceance Creek at its confluence with the White River. The location and description for each of the sampling stations for periphyton and fish can be found in Volume IV C-b Final Environmental Baseline Report (QDA, 1977). Methods Periphyton Periphyton were collected on artificial substrate samplers, placed in Piceance Creek for approximately one month. Detailed methods for periphyton collection can be found in the C-b Annual Summary and Trends Report [C-b Oil Shale Venture, 1976J7 Due to an error in preservation, the method for analysis of biomass was altered from that found in the C-b Annual Summary and Trends Report. The following method was used. *o For biomass, each replicate of the formalized samples was analyzed instead of the air dried samples. Each replicate was scraped and suspended in 30 ml of distilled water. After thorough mixing, an aliquot of from 1-6 ml (depending upon cell density) was removed for identification and counting. The remainder of each sample was placed in an ashing dish and oven dried at 105 C. After drying, the sample was weighed and then ashed at 550°C. After II C-33 ashing, the water of hydration was replaced with distilled water, the sample dried again, and weighed. The ash free dry weight (in grams) was determined by subtracting the ash weight from the oven dry weight. Air-dried slides were used for qualitative diatom analysis. Slides from each packet were scraped, suspended in distilled water, and used for the preparation of permanent Hyrax slide mounts. The digestion process used involved concentrated H^SO. treatment followed by distilled water rinsing. Quantitative periphyton data was generated using a WILD M-40 inverted microscope. Aliquot s of samples were placed in combined plate chambers, sedimented, and then identified and enumerated using the M-40 scope. A minimum of 100 counts of the dominant organisms was made. The following counting units were used for enumeration: Diatoms. ...... Unicellular . . . , Filaments . . . . , Discrete colonies Indiscrete colonies Dense colonies , , each complete frustule (2 valves) each cell 100 micron length Each 4, 8, 16, 32, 64 celled colony Each 8 cells Each 50 cells The following formula was used for calculating absolute density from the count data: Tr . . z 2 Ct x Ac x Vo Units/mm = Ag x Ng x Vs x As Where Ct = Count in units 2 Ac = Area of sedimentation chamber (mm ) 2 Ag = Area of counting grid (mm ) Ng = Number of grids counted Vo = Original sample volume (ml) Vs = Sedimentation volume (ml) 2 As = Area scraped from slide (mm ) Identifications were made utilizing standard phycological references. II C-34 Benthic Invertebrates Surber and basket samplers were used by the U.S.G.S. at monthly intervals. Fish Electro -shocking and seining were used to collect fish in a sectioned 100 meter skretch of stream. Length, weight and reproductive condition were observed. Detailed methods are outlined in the C-b Annual Summary and Trends Report. Results and Discussion Periphyton Periphyton data for abundance ash- free dry weight are presented in Table II C-23. All samples were dominated by Navicula viridula var. avenacea . The abundance was greater at station P-l. The ash-free dry weight analysis also showed a higher biomass at station P-l. Benthos A limited amount of the benthos data has been reduced (Table II C-24), therefore no discussion of the data will appear in this report. Fish Length and weight data for fish are presented in Tables II C-25 through II C-28. No new species of fish were collected compared to previous sampling efforts during the baseline period. More fish were collected (112 mountain suckers) from Station P-3 than had been previously collected (the highest estimate for Mountain Suckers per 100 meter stretch of stream was 68 +_ 38) during the baseline period. Gravid females of both mountain suckers and speckled-dace were collected. Mountain suckers and speckled -dace males in breeding color and condition were also collected. The fish appeared to be healthy and parasite free. 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Les algues d'eue douce. Tome I-III. Roubee Cie, Paris, pp 569, 438, 505. Cleve-Evler, A. 1951-1955. Die diatomeen von Schweden und Finnland. I-V, Stockholm, Cocke, E. C. 1967. The Myxophyceae of North Carolina. Pub. by the author. Winston- Salem, North Carolina. Drouct, F. and W. A. Daily. 1956. Revision of the coccoid Myxophyceae . Butler University Botanical Studies XII. Indianapolis. 222 pp. Fritsch, F. E, 1956. The structure and reproduction of the algae. Volumes I and II. Cambridge University Press, pp. 791-939. Hustedt, F. 1930. Die Kieselalgen In: L, Rabenhorst fed.) Kryptogamen - Flora von Deutschland, Osterreich, un der Schweiz. Volume VII Part 2. Akademische Verlagsgesellschaft m.b.h. Leipzig. 920 pp. Hustedt, F. 1959. Die Kieselalgen In: L. Rabenhorst (ed.) Kryptogamen - Flora von Deutschland, Osterreich, un der Schweiz, Volume VII Part 2. Akademische Verlagsgesellschaft m.b.h. Leipzig. 845 pp. Hustedt, F. 1961-1966. Die Kieselalgen In: L. RAbenhorse (ed.). Kryptogamen - Flora von Deutschland, Osterreich, un der Schweiz. Volume VII Part 3. Akademische Verlagsgesellschaft m.b.h. Leipzig. 816 pp. Patrick, Ruth and Charles Reimer. 1966, Diatoms of the United States. Volume I. Monographs of the Academy of Natural Sciences of Philadelphia Number 13. 688 pp. Patrick, Ruth and Charles Reimer. 1975. Diatoms of the United States. Volume II. Part I. Monographs of the Academy of Natural Sciences of Philadelphia Number 13. 213 pp. Prescott, G. W. 1962. Algae of the western Great Lakes area. Wm. C. Brown Co. Dubuque, Iowa, 977 pp. Prescott, G. W. 1970. How to know the freshwater algae 2nd. edition. Wm. C. Brown Co. Dubuque, Iowa. 348 pp. Prescott, G. W, ,, Croasdale, H. T. and Vinyard, W. C. 1972. Desmidiales. Part I, Saccodermae, Mesotaeniaceae. North American Flora, II, b: 1-84. Pis. I-VIII. II C 50 Prescott, G. W. , Croasdale, H. T. and Vinyard, W. C. 1975. A synopsis of North American desmids. Part II. Desmidiaceae : Placodermae. University of Nebraska Press, Lincoln. Smith, G. M. 1920. Phytoplankton of the inland lakes of Wisconsin. Parts I and II. Wisconsin Geological and Natural History Survey. Bulletin # 57. pp. 243, 227. Smith, G. M. 1950. The fresh water algae of the United States. McGraw- Hill Book Co., New York. 719 pp. Taft, Clarence E. and Celeste W. Taft. 1971. The algae of Western Lake Erie. Ohio Biological Survey. New Series 4(1):1-189. Tiffany, L. H. and M. E. Britton. 1952. The algae of Illinois. Hafner Publishing Company. New York. (Reprint 1971). 407 pp. Uherkovich , G . 1966. Die Scenedesmus-arten ungarns. Akademiai Kiado, Budapest . Weber, Cornelius I. 1971. A guide to the common diatoms at water pollution surveillance system stations. USEPA-NERC. Analytical Quality Control Laboratory. Cincinnati, Ohio. 101 pp. II C-51 Phy top lank ton Primary Productivity No phytoplankton studies were undertaken during Interim Monitoring . Water Quality Water quality data for Piceance Creek near Pdo Blanco (Table II C-29), above the West Fork of Stewart Gulch (Table II C-30) and above Hunter Creek (Table II C-31) were collected by the U.S.G.S. Tables II C-32 through II C-34 present water quality data for the water year October 1976 to September 1977; this data was also collected by the U.S.G.S. Sediment Sediment data was not collected during Interim Monitoring. 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O CJ o 1- Q.3M ci aa fr- w o o to 0 w rj >s .£> ^} ft) n t-l *-> •H rt §* C O bO 0 c •r-( « «/) 4-J (/> rt ..H a «=. rt > o 11 c-s: < U *~> tO _J rt d O ^- U C C_) U • H o = S « J3 ^C^ to O o a\ 23 3^- K) O f-H O ,0 H N N >-. x o o r: o u s: n c B oo '3 Co I/) i-H >.U O r-l o O/— U ' t- w ■ -.- 1 • 4-> o u o «)t< C O O ■ H .£ C.-H o 3 C 2 £ o o to O C O to v£> r^ to to CM O rt g rt «-> l-H .-1 3£'H o &. c o c • to e> c 3 i oa<— * a o w ^ o ♦J o "-I C3 t- t/> e Q X CJ O <0 r- s u s ^ « rt o « o in »-. 3 t-t h < JSTsJ M o u o S-. 1 3 =4 o C3 Q H V— * Q e •S 1- oo o O o o o o o o o o X .O *o O rt !-( +j i-< rt £ O o bO u 5 •i-i 03 Ul *J trt cj •»-< ea £ L « ■5J ^3 y c Q S s o -3 II c-ss" 43 i4-i to _ : rt -r-i inO\ i-h -i-i < s: < -i cj <=< CO <— O -H I — -J u o O c: rt ■ tH cj S CJ Q ^^ in o to t-H E I i t-4 cj c .c i-i _j o u >> e -^ > w CJ O Q-^-J <=< tO rH 00 CO O co 8 1* ►J, r- CO c% 2 « § a I i « CO w c t3 C — > O l/l S- CO CO O r-> U 8 r. VI « - O CJ E <-» O one: LO O o in o LO rr o «5" o c o o O to to o to to o 2 to n -H IS) *3- ci 8 > o 2: CJ c CJ u c/> U CO 3 >N ■£) •n c> rt .-i ■M •■-1 w | c o on u c • |H C3 1/1 +J W rt •H e s II C-59 Literature Cited: Section II C- 2 Quality Development Associates, Inc., 1977. C-b Final Environmental Baseline Report - Ecology - Volume IV. September 1977. Denver, Colorado. 475 pp. Woodward -Clyde Consultants. 1976. C-b Annual Summary and Trends Report. Februrary 25, 1976. San Diego, California. 546 pp. L I] C-60 4 u II C-3 Terrestrial Vegetation Studies Introduction During the Interim Monitoring period terrestrial vegetation studies were accomplished in the area of herbaceous productivity. Scope of Study Six sites were sampled three times during the summer of 1977. These sites are the intensive vegetation study plots located in each of the four major vegetation types. Sampling was conducted in both a fenced and open plot at each site. Ten lm quadrats were located and clipped in each fenced and open plot. The clips were separated into the following fractions: Agropyron smithii, Bomus tectorum, perennial forbs, annual forbs, and half shrubs. Ninety additional lm quadrats were located in each plot and estimated by an occular method; clip quadrats were also estimated occularly. Methods Herbaceous productivity Avas measured by the harvest method combined with occular weight estimates. Clipped quadrats were weighed in the field to obtain fresh weiglt indices to aid occular estimates. Results and Discussion The results of fresh weight estimates and oven dried weights of herbaceous standing crop for three periods in 1977 are contained in the following tables. 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CM vH vO CM r-« CD +-> cd U c3 LO LO vO CM IO to vO to "efr •H •H .C g ■P 3 •H jZ, 6 o w -p o C n o CM vO vO LO O rH LO LO o CM CM OO LO tO LO CM f-H CM o vO 00 -st O CT> r-i LO i— 1 LO LO rH O V rH LO O CM iH CM to iH CM rH to oo CM VO O LO rH to r-\ CS! rH o OO LO r—\ r-i O CM o CM cm r-- CM tO rH V o o r>- rH vO vO o tH to O rH «tf rH *st" o rt t/) o T3 •H o C rH W cvj X i, •H iH J-i O X o 3 CL, w rH c tH •H 0 w 2 to cvj t/> ex S-. in g N o 05 o cS 0) & X 5-. x: rH rH 4-> U +-> o II C-93 CTl CO g PL, I— l CO vO i— < 1 co u H t—4 K-H P W &. J o £9 LI, an CO CL, t— I C ccJ O ,—1 LO O •H .. ^ OCX Boo ■p p, O -H H rH Pu CJ lo o CM LO vj- en to oo CM *^- cm r~ cm - ** rH «^T oo to r-^ cm VO rH rH «^ LO O rH "* «3" CTi rH tO tO 00 1— I tO cm r-~ rH tO rH O rH tO O LO rH tO to oo to to E-. 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CO to rH "vT r- cm rH ^f vO i- 1 rH <*J- LO O rH <* «* cr> rH tO to oo rH tO CM t^ rH tO rH vO r-\ tO O LO rH tO CT> "* to co to to t-» CM tO VO rH to LO O to "3- en CO to oo CM cm r^ CM rH vO CM CD +J a r-H v CM •H •H E a o >^ p- o < o U CD +-> U) e o PQ CM 5 11 5 2 10 rH V CO •^ o rH rH tO rH rH V r*» cm rH CM T— 1 to to rH tO V to CM tO vO rH rH V rH CM CM LO rH rH «* rH sD LO rH ^T V V rH V \£5 "3" CN] CM OO LO t~- rH rH to rH rH «3" OO CM CM ^d" vO ^ vO rH t»» CM rH o to V) in •H to to to LO to to to rH CO rt x> •H rH p* r- i O 2 CTJ tin O g U rH CD tO 9 cn crj Ph CD «5 CD «H to U CO s- to t/) g O rt CD rt O JZ r- X U Vh 4-> CJ3 4-> CJ3 CD O C Ph to •B o ri- ce; p to CO «4H rH LO to rH LO rH CM LO O cn rH rH o to to co *3- rH cn o rH CO O V vC to CM CM vO CM LO rH vQ rH •si- r> LO ^ ^J" \0 O II C-95 o i w -J CO § CO s I— I CO Q CL, § D-, r- I CD +J S3 i 13 O O •H •• U u o c H p. p. g +-> o LO O CN] LO st CTt CN) St to oo CN) ^J- (Nl l^ CN] t^- O LO rsj ^ cn «=t rH st oo to rH St t^ cn] rH st VO tH tH st LO O rH St t-l to to OO rH tO cnj t>- rH tO T-l \D rH to O LO i-H tO en ^t to oo to to to vO i— I to LO O to ■=* cn CNJ to oo CNJ cnj r-^ CNJ rH VO CN) P-. CJ r-i +-> ccJ 0* LO CNJ o e o to •M U c o o •M ^ >s 10 p^ a o E rH o tc V-. - vO O t— t O CN] st rH rH to r- l>v rH tH tH rH vD to CN) -^ rH rH CN) rH CN] rH tH V ^ CN) \H rH V V CN] o CN) V V c rH rH V vO ro LO to rH to CT3 42 •H U c rH O (2 rt U* o 3 M c^ rH O 10 2 10 cd rx «5 o «H V) 10 C u to r- to 2 tH to \D LO (XI rO to O to o -3- \D r_l o CNJ LO rH ■o CNl rH St to r-- CN] CN) CN rH LO CM St rH rH to t>- !>■ OO rH to rH rH vO Kl to rH CtJ ■M O H II C 96 LO O cm un ■«3- O* csj ■>*• to oo cni «3- csi r— CN] «* rH \© CM «e3» o m cm '* cn ^ f- rH «a- o- (S oo to I-t rH ^ to r- p. "d o •H rt «* © en Cu U § = H •H JZ P ■*-> 3 •r-l M 6 o to •*-> u c - C-- <■ rH i — r: tl tO © rH © CN1 rH Cs) C. 0s. CV] tO LO V© © tO ."M "3" Tl" rH tO LH tO v© © rH CM LO V V to r- to © V rH V *3" ^i- cr to CO O "O •H o c rH CO CD rt J3 •H rH 3 O trt M C rH •H © rsi rH oo CTi en rH rH rH rH V to rH © © rH cn in rH rH rH CO (NJ Wi o rH CO "3" © LO c-. t>- © CN1 r- (Nl rH CT> rH LO LO © © CO © rH K" rH © o\ o to to rH CTJ +-> O H II C-97 TABLE II C-71 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 1-0 rt Quadrat : Number g o >-. E o J-i < •r-t •l-i e V) 1 o o ■M U O •M •H to a o 1- 10 •H o c Other Peren Grasses Other Annua Grasses Perennial Forbs Annual Forbs Half Shrubs Total Weight 4 3.580 0.052 5.412 8 0 ,874 1.936 5.458 1.895 10.161 13 0 .217 9.768 9.985 15 2.199 9.699 0.244 12.142 § 17 11.761 1.088 12.849 2 32 0 .059 2.059 5.146 7.244 36 0 050 5.745 0.585 0.163 4.521 5 38 42 47 1 .419 0.199 8.157 1.848 0.060 0.065 9.855 0 1.915 ( 7 0 .056 10.000 0.112 10.168 8 0.058 0.466 0.524 21 18.744 0.911 19.655 ty 24 12.852 0.007 12.859 § 28 0.179 4.597 3.729 8.305 ^ 32 6.423 0.141 6.564 g 33 0.452 0.452 3 54 38 0.999 13.585 5.800 0.500 0.059 14.085 4.858 42 0 .005 10.692 1.524 2.646 14.867 12 6.868 9.776 0.031 16.675 13 11.056 1.275 0.755 13.066 19 2.198 3.601 5.799 >. 28 0 .019 12.097 12.116 s ? 56 0.792 4.855 5.647 57 2.145 0.059 2.204 e 59 1.784 0 = 445 2.229 5 44 46 7.275 2.774 1.589 8.862 2.774 48 1.722 9.566 0,361 11.649 IIC- 98 TABLE II C-72 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 1- Fenced rt Quadrat Number (fl i- b* P p-i in c o 2 v* I +J t-i bfl rt »h i2s 9 0.039 1.146 7.774 0.311 9.270 12 3.528 13.524 0.110 17.162 14 0.574 0.574 15 0.585 7.619 0.418 8.622 >: 19 0.156 0.156 J 25 21.157 0.014 21.261 u 27 5.911 7.756 13.667 2 28 6.480 6.480 32 1.744 12.827 0.352 14.923 46 2.099 2.099 5 6.957 0.024 0.900 4.421 0.359 1. 495 14.156 9 4.359 0.214 2.246 0.510 7.329 10 3.003 6.738 5.004 0. 706 15.451 1 15 21 0.057 6.814 4.986 33.247 0.105 11.962 33.247 tu 23 3.024 3.144 16.640 4. 240 27.048 3 26 1.424 1.426 2.946 12.123 3.738 0.027 21.684 34 8.363 0.041 0.623 9.655 0.488 19.170 38 1.440 10.008 11.448 42 1.640 5.957 0.324 7.921 3 6.418 19.146 1. 128 26.692 13 1.430 7.279 0.098 8.807 15 3.230 0.310 3.540 £ 17 3.359 3.359 3 25 0.131 3.420 23.092 2.730 29.373 I 30 1.291 6.325 0.225 7.841 35 4.100 2.776 6.876 57 0.056 4.952 4.988 40 1.142 12.560 13.702 46 9.056 4.589 0.162 13.807 IIC-99 TABLE II C-73 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 2-0 co to CD 0) 3 e: § 10 ►O r-i C i—i 6 ■r-S 3 •H •H CD tf) c i/> CO - 1 •rH f-4 10 o a, c> <^ o •H 10 •p \ 1 o •M O a o c to CD CO u CD to §J3 CD J* CO J3 3 C u-t 2 rH GO CO »H Quadrat : Ninrber < to o ■M 1 jC o o J- O CD F-- 6 o rH X co in X ■M 0) 10 3. 857 3.991 0.319 1.454 9.601 14 0.136 8.187 0.053 8.376 16 0 058 0.080 17.579 0.144 0.003 17.864 19 12.509 1.092 13.601 >: 20 0. 065 0.053 0.009 0.127 g 25 0 206 0.909 0.020 0.092 1.227 u; 51 1.695 0 235 2.915 0.850 0.079 5.774 § 42 0 155 8.030 0.006 0.358 8.549 44 2.379 7.069 0.011 9.459 46 3 .731 15.183 0.806 0.753 20.473 6 12.531 0.069 12.600 11 0 .198 4.839 5.037 17 1.961 0.230 2.191 24 0.305 0.065 0.370 HZ 57 0.149 0.149 % 41 11.110 0.099 11.209 LU 42 4.505 . 0.919 0.065 0.021 5.510 1 45 5.532 5.532 48 0 .120 1.256 9.546 2.570 13.472 49 8.689 0.922 1.953 0.072 11.636 5 5.683 0.070 5.753 5 4.247 0.124 0.745 5.116 10 4.072 8.245 1.167 13.484 >; 17 2.533 2.533 % 24 5.042 6.862 0.210 10.114 I 50 0.446 16.991 17.437 55 3.942 1.177 0.875 1.681 7.675 41 0.072 0.520 3.360 0.030 3.982 48 0.012 0.012 50 5.300 0.091 5.391 IIC-100 TABLE II C-74 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 2 -Fenced Quadrat Number U1 0} c £ w T3 ft ■H 3 •H •H J-. •H H V) O >s jC 1 o O P- c £ o •p ■M u o o P 1 &a (/) ?H 4J -CI co X J* o CO • H u p i— ( 1/5 C3 ,Q 2 tin Cj CO +-> C3 «H •P 0) 3 0.528 3.454 1.431 0.088 0. 313 5.514 4 0.399 1.762 2.435 0.060 1.346 6.002 9 0.040 5.803 0.045 0.837 0.026 6.751 15 0.071 0.071 >: 24 0.952 0.840 0.217 2.009 g 28 0.056 3.931 4.899 0.028 8.914 ! 33 0.080 4.099 0.989 0.100 5.268 35 0.847 0.053 1.730 0.833 0.088 3.551 42 3.632 0.327 0.709 0.481 0.047 3. 411 8.607 47 0.263 2.290 5.260 7.813 1 1.934 2.655 4.589 7 5.599 0.689 4.332 0.811 0.121 11.552 22 3.876 0.760 6.114 0.008 10.758 23 0.139 0.017 0.488 12.139 0.039 12.822 f— 26 4.542 4.388 8.930 r^ 27 1.761 2.734 0.586 4.495 1 31 1.742 1.742 35 0.416 1.436 1.852 42 0.820 0.251 1.071 45 1.263 1.263 3 30.989 0.415 31.404 8 6.770 1.236 4.365 12.371 9 21.065 0.098 21.163 14 0.577 8.188 0.528 9.293 b 15 13.282 4.878 0.250 18.410 R 19 3.768 0.050 0.419 4.237 I 22 0.038 0.038 36 0.523 2.732 0.196 3.451 47 0.377 4.890 0.003 5.270 49 0.200 1.299 0.019 12.018 0.012 13.548 IIC-101 TABLE II C-75 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 3-0 Quadrat Number cT e$ co o CQ co cofo •H -H co O a c o g N £ cd CL> a ■»-> cs o cd 3 co CD CO +-> U O rn CD cd •H gco CD >i J- O CD P-. a. f— ) CO D rH c o 2 Uh co m 2 rH X Cd C/) X rH W) Cd -H c2 * 1 1.632 10.167 3.257 0 123 15.179 4 0.685 10.643 3.511 0 177 15.016 14 1.628 0.391 10.535 1.222 0. 095 15.871 > 7T 0.118 9.820 1.828 0 009 11.775 S 25 1.850 6.248 5.527 0. 021 15.646 cy 28 0.860 9.478 2.387 0 012 12.757 5 29 5.619 9.614 3.894 19.127 34 2.024 11.147 2.274 0 077 15.522 44 0.857 12.185 3.055 0 090 16.167 50 0.677 12.946 2.022 0 104 15.749 4 2 1.300 7.059 0.965 9.524 4 8.095 4.824 1.450 14.569 7 4.652 7.483 0.564 12.499 tu 22 3.294 4.626 1.545 9.465 ^ 24 6.499 1.970 1.547 10.016 tu 28 4.737 1.974 0.856 7.547 s 38 5.507 2.199 1.298 8.804 43 4.449 1.649 1.479 7.577 46 5.733 0.751 5.241 0.258 9.965 49 5.670 2.311 0.547 8.528 2 0.983 6.918 0.650 8.531 4 1.353 7.262 0.528 9.145 12 1.914 6.432 0.191 8.557 5 19 2.760 6.499 2.817 12.076 R 21 3.430 3.508 0.645 7.581 EU 24 0.794 4.992 1.199 6.985 § 36 1.382 0.396 5.297 1.081 8.156 37 2.483 3.729 1.264 7.476 41 2.536 5.989 1.650 10.175 45 3.019 4.399 1.170 0,505 8.897 IIC- 102 TABLE II C-76 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 3 -Fenced Quadrat Number § v. Wtf in 1 O V) who •H -H t/) o P- c O Q N £ • H <1) w S0 3 W O O C3 •H glfl .p ?h p f— i w cd ,Q £ o 2 Ph I Cfl CO 5 7.280 6.945 2.554 0. 052 16.831 6 5.236 13.920 1.687 0. 142 20.985 7 3.010 4.482 4.856 1. 986 14.334 13 3.365 14.496 2.128 0. 256 20.245 >; 14 1.545 11.260 4.183 0. 060 17.048 s 20 4.714 12.430 7.298 0 132 24.574 28 5.600 13.600 2.033 0 066 21.299 31 5.523 8.374 2.048 0 163 16.108 32 1.802 12.291 3.299 0 035 17.427 34 2.165 9.894 3.330 0 024 15.413 5 6.139 2.893 0.273 9.305 10 3.390 7.171 0.075 10.636 12 4.559 4.199 1.751 10.509 16 3.248 5.725 0.788 9.761 5 18 7.362 6.974 0.291 14.627 R 19 9.483 4.454 1.099 15.036 . 25 2.636 5.899 2.515 11.050 3 33 8.199 7.433 3.287 18.919 37 5.834 7.818 3.675 0.163 17.490 45 3.929 3.465 2.549 1.171 11.115 12 4.358 7.715 0.208 12.283 15 4.399 2.232 0.253 6.884 ^3 16 2,581 7.611 2.199 12.391 18 1.944 11.299 0.100 13.343 21 3.399 10.352 0.161 13.912 1 32 11.480 1.357 0.255 13.092 34 7.625 7.739 1.199 16.563 55 3.874 6.472 2.294 12.640 37 4.467 6.809 3.495 0.253 15.024 46 2.900 12.007 4.015 18.922 IIC-103 TABLE II C-77 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 4-0 Quadrat Number to +-> o O (T . r-4 E u N fc (O o p x < CO o 03 •H u O CD c3 •H C CO 3 .p cd u u p CD PL, P-. r-i CO Cd ,Q c o 2 p- to a ltd i-H W) +J >H CO a> cd +-> 0) >-• J- o Pi. a. cd x> c o 5 Uh co 1H.C rt to i-H GO Cd >H e2^ ty 2 12 15 19 25 32 35 59 43 0.098 11.234 3.772 0.360 5.170 0.135 7.930 8.109 2.037 2.341 1.151 0.146 0.954 0.191 0.228 0.015 13.271 3.772 2.716 6.321 0.146 1.089 0.289 7.930 8.337 2 1.671 4 2.758 0.586 5 4.408 0.127 1 11 21 23 3.264 0.624 0.268 0.099 0.118 1 24 0.086 1.264 a 34 0.394 0.038 38 0. 211 6.164 43 0. 078 8.437 0.160 2 6.047 0.649 11 1.105 0.167 12 3. 955 16.672 0.339 >- 21 2. 273 0.439 1.583 _3 31 56 0.107 2.420 0.086 g. 39 4.300 0.589 3 44 46 48 0.714 0.723 1.791 2.290 1.671 3.344 4.535 3.363 0.624 0.386 1.350 0.432 6.375 8.675 6.696 1.272 20.966 4.295 0 2.613 4.889 0.714 0.723 4.081 IIC- 106 TABLE II C-80 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 5- Fenced rt Quadrat Number to <1J c g to TJ o *H 13 •H •H J-. •H M to o >s x: 1 o O & c U o o & I DA C/> ?H +J XI <1 PQ o K. -. o •H C to 3 -O Jh o rH 10 C3 JO c o W m 5-i rH GO O S: E- 1 4.562 2 2.172 18 0.146 >- 19 5.522 26 0.225 u: 28 S 29 55 40 4.607 45 0.157 0.017 1.266 5.542 0.414 0.241 1.145 0.211 0.450 8.679 5.114 5.594 7.258 4.600 2.511 0.157 5.811 0.252 5.578 0.305 0.100 0.550 0.115 1.160 0.100 5.628 21.571 5.565 7.216 7.995 5.171 3.675 0.485 12.028 0.409 w H 3 1 3.487 4.042 4.201 0.499 2 7.980 0.099 0.054 5 1.181 15 2.126 6.057 0.075 21 1.508 1.242 26 5.097 0.215 0.521 29 3.791 52 0.258 1.277 0.561 5.023 36 6.958 39 0.087 0.523 0.040 12.229 8.155 1.181 8.258 2.750 3.835 3.791 4.899 6.938 0.450 2 0.550 1.448 4 0. 769 5.088 3.246 19 1. 695 1.599 0.300 >; 20 1. 013 0.156 R 25 5.847 3.895 t^ 27 4.557 0.621 s 50 0.722 1.582 51 0.585 0.876 42 1.099 0.447 5.082 48 1.998 9.103 6.474 1.149 7.742 5.178 2.104 1.459 1.546 0 IIC-107 TABLE II C-81 OVEN DRY 1VEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 6-0 Quadrat Number V) <1J c £ W TJ o •H 3 •H ■H (h •rH h V) O >v r" | O P. c a +-> ■M o o o • r-j E u N E ^ £ O o fr >^v fcr. w >-. +-> -CI < PQ o •H o P 10 t/> O •H 2 jo • 14 14.915 0.630 15.545 1 15 3.311 0.060 3.371 19 0.140 10.230 0.478 10.848 E: 22 0.178 3.529 8.751 12.458 5 36 1.051 1.051 47 5.616 11.044 16.660 49 3.985 0.523 4^508 IIC- 108 TABLE II C-82 OVEN DRY WEIGHTS (GRAMS) FOR THE SIX INTENSIVE STUDY SITES, 1977 PLOT NUMBER 6- Fenced Quadrat Number c o P- cr yj a E O PQ CtJ •H tn cd (/> c w V) o P. CD CO N O CO £ rC +-> cj o c o cci •H glfl J- p w § CO w »— ( CJ w CO •H •H r-1 +3 •H S to C o o to < •H U o i— i o V) i— i CO III B-2 o I C en re I? ^ w cj; I 'CO &S >-> cc: cj £§ RELAT FREQU CT» CTi vO CD CD en CD o cr, o CD CD vO C2 o CD en Ln to C7> CM CN) LO CN] r~- to to CN) CN) cr> •H rH 3 3 o u 3 oj +J 5-. X 3 •H ,Q +-> c u •H •H t/5 CD 4-> u i—l 03 o o X) •H CD •H 6 o 03 cd •H p\ & d u 03 3 CD u TJ t/> U co 1 | , CO X tr, C2. 03 CD 03 CD e c C CD rt •H U d. to {/) G to U E H P-, o o o +-> 3 T3 03 to D •H O rH o CX CO fe fe fe to o I— 1 O to cd O E o d, a3 i-H 03 u o g p. p. PL. 3 o O •H ■H rH o •M to o CD 03 o o u w a, CO o o o E +-» c a, r- ] •H M t/) t/5 03 £1, DO £ ^-c u u o 3 o cd u i-H ^ G rt t-H f •H o3 CO bO to ?-i o JH Jh o „o J-. a o C3 cx P (h c < < < n CQ CJ CJ ^d -i. o &. * 1 CO CO CO H - Ill B-3 RELATIVE FREQUENCY to I "St "Ct «tf ■^ oo CO CM o CM RELATIVE COVER o 00 to i— i tO i— 1 CD CD i— ( to r— i CM tO c— 1 O r-f f — •> \ t s i s o CI o i— i o i—! 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Plot -SG-1 p| |2 £S £g g| Quadrat Number < < o* q« h 3 269.13 0.13 269.26 8 93.85 93.85 9 85.97 0.72 86.69 13 222.40 0<03 222.43 14 65.81 0.31 66.12 b. Plot - SG-10 Quadrat Number 1.18 383.18 37.45 283.08 9.94 291.89 22.16 76.42 21.87 179.15 c. Plot -SG-15 Quadrat Number 2 0.02 8 11 13 38 d. Plot -SG-16 Quadrat Number 2 382.00 8 245.63 11 281.95 13 54.26 38 157.28 2 115.22 21 59.17 33 0.72 47 55.26 49 125.47 4.87 36.28 41.17 0.18 27.15 27.33 35.68 35.68 52.47 52.47 2.34 75.97 78.31 0.61 0.04 11.30 126.52 16.08 75.25 35.30 36.63 55.30 9.62 135.09 III B-21 TABLE III B-19 ( OVEN DRY WEIGHTS (GRAMS), PEAK SEASON CLIPPING, 1977 FOR THE EIGHT SELECTED DISTURBED DRILL PADS rC. c3 jz fl w Ex Sin i-Hob T-... DJ-< Drt o j_ (UCd Oi -H 3' r.l05 \$2? l£ I" "-2 fc6 £ = Quadrat Number < < cl, o- t- 5 0.08 87.45 87.53 6 60.76 60.76 8 0.01 0.34 104.25 104.60 17 6.28 0.06 80.84 87.78 24 0.01 26.72 26.73 b. Plot - SG-18 Quadrat Number ( 3 166.15 5 78.33 8 75.22 35 182 . 59 41 133.93 c. Plot - SG-19 Quadrat Number 3 66.19 8 70.41 9 127.63 13 123.42 14 122.87 d. Plot - NQ-12 Quadrat Number 3 5.91 5 12.27 8 0.74 35 0.63 41 57.62 2.91 169.06 34.62 112.45 3.94 79.16 11.39 193.98 .52 9.21 144.66 0.25 5.67 41.86 0.78 71.44 1.31 128.94 2.79 126.21 122.87 16.44 17.41 39.76 1.02 26.23 39.52 1.52 19.33 21.59 31.08 31.71 25.19 82.81 III B-22 n CO i a i— 1 1— i < Ill C Microenvironmental Program Introduction Microenvironmental studies conducted during the Interim Monitoring Period include the following: 1. Continuous recording measurements made at 4 stations in each of the major vegetation types. 2. Spot check data collected at 17 sites, including the 4 recording stations. 3. Evaporation data collected at one station. 4c Soil and plant water potential data collected at sites corresponding to the 17 spot check locations. Scope of Study The scope of the micrenvironmental program has been detailed in previous data reports. f^fethods Methods employed in these studies are the same as those used during the baseline program for the continuous recording and spot check stations. Evaporation and soil/plant water potential data collections were inititated during the Interim Monitoring Period. Evaporation data is obtained from a class C evaporation station (U. S. Weather Bureau type) at least twice weekly. The measurements include water level change (m) total wind (km) , precipitation (cm) , minimum surface water temperature ( C) , and maximum surface water temperature ( C) . Soil and plant moisture potentials were measured using thermocouple psychrometry. Soil moisture potential measurements were taken monthly from duplicate soil psychrometers located at a depth of 30 cm. Leaf moisture potential measurements were taken monthly from selected species at each of the 17 sites described above. Results and Discussion Results of data collections in the Microenvironmental program were shown below. No detailed analysis of these data are currently available. Ill C-l u I @ o t— i < ►— i a 6 2 O 3 * < CO CT> -J 3 o rH •X •X o I— I 5 (XI * r- "3- ^ en vo C\ >t vO ^ LO S oo c CTi — C* vO r- vO vO 3 ^ o i Ki vO i vO cc; c— 1 CO cm o § i en i tO i en CO to to • uo a LO CO ;o oo U-, 1 1 i 1 r-- r^ CO o o c^ 00 a i— i \s\ ■ r-\ en cm •-a vO i rH i to 1 i— ) i r^ LO C_3 r-- o vo w * * lO rH r^- « i 1 CI t— t > o to to Cn o • < • • 2 LO LO 1 to CM 1 IT O •X < ►-3 ** to R CTi r— I ■K •K to OO LO r-i K • « • • p^ en en OO J t— t rH I— 1 >. 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CM o CD o t-s o o o i—i CM c re -re w 4-> Bfl re c -o •i-i 10 >> 1/1 r-i •I-l :j S! <-> CM m o o •■o o m c»» o §66 IS g 6 6 6 6 6 6 to 00 o i-i in oo I I a, 2* g 6 6 6 6 6 CM O O o o o in o e'- en 6 6 CM o u eo c; U 2 u CJ O rj CJ o CJ u o o O o o o o o « CM 00 rH r~ in in r»» 09 fM rH CM r-( C>J CM CM CM § u o in o o o o cj CJ cj O o o en o o Cn in t-. oo in in o rH f-f >a in o r^ oo en oo CM o "*■ i-{ m fH S8 I to si J; 1 3 CM CM \0 CM oo CM CM o I-I * * m < vO to .H "* u H O 1 l CM l CM s a en CM \o o to i-H CM CM ! to to o z: •-I to CO £ III C-9 1 co o o o o to o o !>. o 00 f- o o 2 6 6 6 •-4 CO \0 V CO 6 6 6 6 6 6 o 1/1 $* C 6 6 6 6 6 6 o © © 6 6 6 o © > Is II cu P u o CO u o u u o CO o o oo O o CO o u c u o CO u o § «y H ■8 U o o O o o u o o o u u u © © © © (M 1-H I-( t-( o en U o * »J ►—I e> en •«3- ei «* "*T o o &\ O £¥, o CS» r-H *? l-H p«i o o (V! o 1— 1 r-^ O © CM o IT) t-» o) r-( Cft 5 * (VI - r-t \o Ci CO © O 00 O »o rr CO o «-( fv 1~- r^ p» 5 ■Si a. u Q to III C-10 Table III C-9 SOIL -WATER POTENTIAL DATA June, 1977 VEGETATION TYPE STATION DATE PROBE NUMBER BARS Chained Piny on -Juniper 1-LM 6/8 1 25.1 Rangeland 18 21.2 2-2M 6/9 2 19 24.0 9.4 7-7M 6/10 7 24 31.4 31.6 Pinyon -Juniper 5-5M 6/1 5 23.5 Woodland 22 29.4 6-6M 6/2 6 23 27.9 16.8 0-14M 6/8 14 31 19.6 22.3 0-15M 6/10 15 32 6.7 5.9 Bottomland Sagebrush 4-4M 6/9 4 24.0 Community 21 22.7 0-9M 6/8 9 26 20.2 25.1 0-12M 6/8 12 29 27.7 19.8 Upland Sagebrush 3-3M 6/8 3 31.2 Community 20 23.7 0-16M 6/10 16 33 19.4 13.3 Bunch grass 20-8M 6/8 8 19.0 Community 25 25.7 0-11M 6/8 11 28 11.9 11.0 Rabitbrush 0-10M 6/8 10 20.2 Community 27 17.2 Mixed Mountain 0-13M 6/8 13 2.9 Shrub land 30 15.5 Annual Weed 0-17M 6/9 17 26.4 Community 34 34.2 III C-ll Table III C-10 SOIL -WATER POTENTIAL DATA July, 1977 VEGETATION TYPE STATION (ATE PROBE NUMBER BARS 6/23 1 45.8* 18 37.6* 7/20 2 44.8 19 30.7 7/22 7 46.2 24 50.3 6/24 5 37.8 22 37.2 7/21 6 57.4 23 36.0 7/22 14 46.9 31 49.0 6/23 15 8.9 32 9.2 7/20 4 46.8 21 48.3 7/21 9 31.7 26 8.5 7/22 12 15.0 29 26.9 6/23 3 54.0* 20 47.8* 6/23 16 38.4 33 32.6 6/28 8 29.8* 25 51.7 7/20 11 33.1* 28 31.7* 7/21 10 32.7 27 33.0 7/20 13 32.6 30 23.4 7/21 17 65.3* 34 23.2 Chained Piny on- Juniper Rangeland 1-1M 2-2M 7-7M Piny on - Jun iper Woodland 5-5M 6-6M 0-14M 0-15M Bottomland. Sagebrush Community 4-4M 0-9M 0-12M Upland Sagebrush Community 3-3M 0-16M Bunchgrass 20-8M Community 0-11M Rabitbrush Community Mixed Mountain Shrub land Annual Weed Community 0-10M 0-13M 0-17M * Temperature gradient too steep, questionable data III C-12 Table III C-ll SOIL-WATER POTENTIAL DATA August, 1977 VEGETATION TYPE STATION DATE PROBE NUMBER BARS Chained Pinyon- Juniper 1-1M 8/25 1 36.7 Rangeland 18 35.6 2-2M 8/24 2 19 35.0 40.2 7-7M 8/23 7 24 43.7 37.5 Pinyon- Juniper 5-5M 8/25 5 35.0 Woodland 22 41.7 6-6M 8/26 6 23 37.4 18.5 0-14M 8/25 14 31 36.4 30.6 0-15M 8/23 15 32 13.3 11.4 Bottomland Sagebrush 4-4M 8/24 4 28.8 Community 21 25.7 0-9M 8/23 9 26 18.0 19.4 0-12M 8/26 12 29 15.3 15.6 Upland Sagebrush 3-3M 8/26 3 18.2 Community 20 26.9 0-16M 8/23 16 33 27.3 26.2 Bunchgrass 20-8M 8/24 8 16.6 Community 25 63.3 0-11M * 11 28 * * Rabitbrush 0-1QM 8/26 10 18.2 Community 27 15.7 Mixed Mountain 0-13M 8/26 13 25.8 Shrub land 30 20.4 Annual Weed 0-17M 8/24 17 50.0 Community 34 61.0 * Missing data III C-13 Table III C-12 PLANT -SOIL WATER POTENTIAL DATA July, 1977 SOIL -WATER LEAF -WATER VEGETATION TYPE STATION DATE PROBE POTENTIAL POTENTIAL NUMBER BARS BARS Chained Pinyon- Juniper Ran gel and Pinyon -Juniper Woodland Bottomland Sagebrush Community Upland Sagebrush Community Bunchgrass Community Rabitbrush Community Mixed Mountain Shrub land Annual Weed Community 1-1M 2-2M 7-7M 5-5M 6-6M 0-14M 0-15M 4-4M 0-9M 0-12M 3-3M 0-16M 20-8M 0-11M 0-10M 0-13M 0-17M 6/23 7/20 7/22 6/24 7/21 7/22 6/23 7/20 7/21 7/22 6/23 6/23 6/28 7/20 7/21 7/20 7/21 1 18 2 19 7 24 5 22 6 23 14 31 15 32 4 21 9 26 12 29 3 20 16 33 8 25 11 28 10 27 13 30 17 34 45.8 11.3 37.6 12.7 44.8 24.7 30.7 50.6 46.2 9.9 50,3 10.9 37.8 41.1 37.2 17.7 57.4 13.1 36,0 17.9 46.9 8.3 49.0 0.0 8,9 25.6 9.2 13.1 46.8 21.6 48.3 72.9 31,1 11.5 8.5 17.0 15.0 11.8 26.9 57.4 54.0 13.9 47.8 11.8 38.4 11.6 32,6 59.9 29,8 113.5 51,7 92.4 33.1 19.4 31.7 10.8 32.7 9.8 33.0 14.2 32.6 27.0 23.4 0.0 65.3 18.3 23.2 48.4 III C-14 Table III C-13 PLANT-SOIL WATER POTENTIAL DATA August, 1977 SOIL-WATER LEAF -WATER VEGETATION TYPE STATION DATE PROBE POTENTIAL POTENTIAL NUMBER BARS BARS Chained Pinyon-Juniper 1-1M 8/25 1 36.7 11.7 Range land 18 35.6 22.6 2-2M 8/24 2 35.0 22.5 19 40.2 25.6 7-7M 8/23 7 43.7 0.0 24 37.5 41.1 Pinyon-Juniper 5-5M 8/25 5 35.0 9.6 Woodland 22 41.7 0.0 6-6M 8/26 6 37.4 0.0 23 18.5 31.4 0-14M 8/25 14 36.4 28.0 31 30.6 0.0 0-15M 8/23 15 13.3 23.6 32 11.4 15.4 Bottomland Sagebrush 4-4M 8/24 4 28.8 12.5 Community 21 25.7 16.0 0-9M 8/23 9 18.0 0.0 26 19.4 0.0 0-12M 8/26 12 15.3 23.1 29 15.6 17.9 Upland Sagebrush 3-3M 8/25 3 18.2 0.0 Community 20 26.9 0.0 0-16M 8/23 16 27.3 1.1 33 26.2 21.4 Bunchgrass 20- 8M 8/24 8 16.6 27.8 Community 25 63.3 16.1 0-11M 8/29 11 8.4 6.5 28 6.1 * Rabitbrush 0-10M 8/26 10 18.2 * Community 27 15.7 34.2 Mixed Mountain 0-13M 8/26 13 25.8 19.1 Shrub land 30 20.4 22.9 Annual Weed 0-17M 8/24 17 50.0 31.7 Community 34 61.0 16.4 * Missing data III C-15