Ice Flow of the Antarctic Ice Sheet | Zendy

Eric Rignot | Zendy; J. Mouginot | Zendy; B. Scheuchl | Zendy

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Ice Flow of the Antarctic Ice Sheet

Author(s) -

Eric Rignot,

J. Mouginot,

B. Scheuchl

Publication year - 2011

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1208336

Subject(s) - ice sheet , ice stream , geology , antarctic ice sheet , cryosphere , antarctic sea ice , ice divide , glacier , tributary , ice shelf , glacier morphology , sea ice , oceanography , geomorphology , geography , cartography

We present a reference, comprehensive, high-resolution, digital mosaic of ice motion in Antarctica assembled from multiple satellite interferometric synthetic-aperture radar data acquired during the International Polar Year 2007 to 2009. The data reveal widespread, patterned, enhanced flow with tributary glaciers reaching hundreds to thousands of kilometers inland over the entire continent. This view of ice sheet motion emphasizes the importance of basal-slip-dominated tributary flow over deformation-dominated ice sheet flow, redefines our understanding of ice sheet dynamics, and has far-reaching implications for the reconstruction and prediction of ice sheet evolution.

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