Greenland ice sheet: increased coastal thinning

Krabill, W. and Hanna, E. and Huybrechts, P. and Abdalati, W. and Cappelen, J. and Csatho, B. and Frederick, E. and Manizade, S. and Martin, C. and Sonntag, J. and Swift, R. and Thomas, R and Yungel, J. (2004) Greenland ice sheet: increased coastal thinning. Geophysical Research Letters, 31 (24). pp. 1-4. ISSN 0094-8276

Full content URL: https://doi.org/10.1029/2004GL021533

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Abstract

Repeated laser-altimeter surveys and modelled snowfall/summer melt show average ice loss from Greenland between 1997 and 2003 was 80 ± 12 km3 yr-1, compared to about 60 km3 yr -1 for 1993/4-1998/9. Half of the increase was from higher summer melting, with the rest caused by velocities of some glaciers exceeding those needed to balance upstream snow accumulation. Velocities of one large glacier almost doubled between 1997 and 2003, resulting in net loss from its drainage basin by about 20 km3 of ice between 2002 and 2003. Copyright 2004 by the American Geophysical Union.

Keywords:Aneroid altimeters, Catchments, Coastal zones, Glaciers, Snow, Velocity control, Coastal thinning, Ice sheets, Laser-altimeter surveys, Snow accumulations, Sea ice, glacier mass balance, glaciology, ice sheet, thinning, velocity, Arctic, Arctic and Antarctic, Greenland, World
Subjects:F Physical Sciences > F890 Geographical and Environmental Sciences not elsewhere classified
Divisions:College of Science > School of Geography
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ID Code:26063
Deposited On:10 Feb 2017 18:49

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