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|a Recent Antarctic ice mass loss from radar interferometry and regional climate modelling |h [electronic resource] |y English. |
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|a [S.l.] : |b Nature Publishing Group, |c 2008. |
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|a Nature Geoscience Volume 1 |y English. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Large uncertainties remain in the current and future
contribution to sea level rise from Antarctica. Climate warming
may increase snowfall in the continent’s interior1–3, but enhance
glacier discharge at the coast where warmer air and ocean
temperatures erode the buttressing ice shelves4–11. Here, we use
satellite interferometric synthetic-aperture radar observations
from 1992 to 2006 covering 85% of Antarctica’s coastline to
estimate the total mass flux into the ocean. We compare the
mass fluxes from large drainage basin units with interior snow
accumulation calculated from a regional atmospheric climate
model for 1980 to 2004. In East Antarctica, small glacier losses in
Wilkes Land and glacier gains at the mouths of the Filchner and
Ross ice shelves combine to a near-zero loss of 4±61 Gt yr−1. In
West Antarctica, widespread losses along the Bellingshausen and
Amundsen seas increased the ice sheet loss by 59% in 10 years to
reach 132±60 Gt yr−1 in 2006. In the Peninsula, losses increased
by 140% to reach 60±46 Gt yr−1 in 2006. Losses are concentrated
along narrow channels occupied by outlet glaciers and are caused
by ongoing and past glacier acceleration. Changes in glacier flow
therefore have a significant, if not dominant impact on ice sheet
mass balance. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Van den Broeke, Michiel R.. |
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|a Van de Berg, Willem Jan. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062092/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/20/92/00001/FI15062092_thm.jpg |
