+ Visit NASA.gov + Advanced Search   + About the Server   + Animation List   + How to Use the Server Previous Animation Next Animation Daily Snow over North America 2002-2003 with Permafrost Map This animation shows daily snow cover over North America from September 1, 2002 through June 30, 2003. A permafrost map shown in frost-green indicates where the ground is frozen throughout the year. The sea ice climatology indicates the average extent of the sea ice during each month.    This animation shows the variability of daily snow cover over North America from September 1, 2002 to June 30, 2003. Duration: 40.0 seconds Available formats:   512x288 (30 fps) MPEG-1   17 MB   720x400 (30 fps) MPEG-1   20 MB   720x480 (29.97 fps) MPEG-2   34 MB   256x144 (30 fps) MPEG-1   13 MB   320x180     JPEG         10 KB   320x177     JPEG         10 KB   320x180     JPEG         10 KB How to play our movies    This still image shows daily snow cover over North America on February 3, 2003. Available formats:   2048 x 1152     TIFF 4 MB   160 x 80           PNG 22 KB   320 x 180         JPEG 10 KB   80 x 40             PNG   6 KB Animation Number: 2925 Animator: Cindy Starr (Lead) Studio: SVS Completed: 2004-03-31 Scientist: Dorothy Hall (NASA/GSFC) Instrument: Terra/MODIS Data sets: MODIS/Terra Snow Cover Daily L3 Global 0.05Deg CMG (MOD10C1)   Permafrost   Sea Ice Climatology Data Collected: 2002/09/01 - 2003/06/30 Keywords: DLESE >> Cryology SVS >> Snow SVS >> Snow Cover GCMD >> EARTH SCIENCE >> Cryosphere >> Snow/Ice >> Permafrost GCMD >> Location >> North America     Please give credit for this item to NASA/Goddard Space Flight Center Scientific Visualization Studio, and Mary Jo Brodzik (NSIDC) Back to Top + Privacy Policy and Important Notices + Reproduction Guidelines NASA Official: SVS Contact: Curator: