Other
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3311501h&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 11, CiteID L11501
Other
5
Cryosphere: Ice Sheets, Biogeosciences: Permafrost, Cryosphere, And High-Latitude Processes (0702, 0716), Cryosphere: Glaciers, Biogeosciences: Remote Sensing
Scientific paper
Mean, clear-sky surface temperature of the Greenland Ice Sheet was measured for each melt season from 2000 to 2005 using Moderate-Resolution Imaging Spectroradiometer (MODIS)-derived land-surface temperature (LST) data-product maps. During the period of most-active melt, the mean, clear-sky surface temperature of the ice sheet was highest in 2002 (-8.29 +/- 5.29°C) and 2005 (-8.29 +/- 5.43°C), compared to a 6-year mean of -9.04 +/- 5.59°C, in agreement with recent work by other investigators showing unusually extensive melt in 2002 and 2005. Surface-temperature variability shows a correspondence with the dry-snow facies of the ice sheet; a reduction in area of the dry-snow facies would indicate a more-negative mass balance. Surface-temperature variability generally increased during the study period and is most pronounced in the 2005 melt season; this is consistent with surface instability caused by air-temperature fluctuations.
Casey K. A.
DiGirolamo N. E.
Hall Kevin D.
Wan Zhendong
Williams Stephen R.
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