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    Satellite-derived, melt-season surface temperature of the Greenland Ice Sheet (2000–2005) and its relationship to mass balance

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    2006GL026444.pdf (2.661Mb)
    Date
    2006-06-08
    Author
    Hall, Dorothy K.  Concept link
    Williams, Richard S.  Concept link
    Casey, K. A.  Concept link
    Digirolamo, Nicolo E.  Concept link
    Wan, Z.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3330
    As published
    https://doi.org/10.1029/2006GL026444
    DOI
    10.1029/2006GL026444
    Abstract
    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.
    Description
    Author Posting. © American Geophysical Union, 2006. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 33 (2006): L11501, doi:10.1029/2006GL026444.
    Collections
    • Environmental Geoscience
    Suggested Citation
    Geophysical Research Letters 33 (2006): L11501
     
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