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Global Snow Cover from MODIS

by: NASA/Goddard Space Flight Center Scientific Visualization Studio. Snow Data Preparation was done by The MODIS Snow and Ice Team, Janet Y. L. Chien. Blue Marble data courtesy of Reto Stockli. Technical Assistance from the following SVS team members: Randall Jones, Kevin Mahoney, Marte Newcombe, Tom Bridgman, Lori Perkins, Gregory Shirah, Eric Sokolowsky, James Williams.

Publication date: 7/1/2002

Topics: Cryology, HDTV, Snow, What -- Terra, Where -- Nevada, Where -- California

The Moderate Resolution Imaging Spectroradiometer (MODIS) provides data in 36 spectral bands, some of which are used in an algorithm to map global snow cover. The animation shows the dynamic behavior of the advance and retreat of continental snow cover in the Northern Hemisphere for the winter of 2001 - 2002 from MODIS-derived 8-day composite snow maps with a spatial resolution of about 5 km. A time series of MODIS snow-cover maps of the Sierra Nevada Mountains in California, derived from MODIS-derived daily snow maps with 500-m resolution, is also shown for the winter and spring of 2001. Note: This animation shows the dynamic behavior of the advance and retreat of continental snow cover in the Northern Hemisphere for the winter of 2001-02. Data Collected: 10/16/2001 to 04/23/2002. Animator: Cindy Starr (GST). Scientist: Dorothy Hall (NASA/GSFC). Platforms/Sensors/Data Sets: Terra/MODIS, Terra/MODIS/Snow Cover 8-day composite L3 Global 0.05Deg CMG (MOD10C2), Terra and Aqua/MODIS/Blue Marble Cloud Cover, Terra and Aqua/MODIS/Blue Marble Land Cover.