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Oceanographic observations at the Dotson Ice Shelf front, West Antarctica, and calculations of basal melting

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Title
Oceanographic observations at the Dotson Ice Shelf front, West Antarctica, and calculations of basal melting
Other Titles
서남극 아문젠해 다슨빙붕에서의 해양관측과 빙붕하부 용융의 계산
Authors
Shoosmith, Deb
Sharon Stammerjohn
Ha, Ho Kyung
Lee, Sang H.
Kim, Tae-Wan
Stanley Jacobs
Pierre Dutrieux
Adrian Jenkins
Keywords
Amundsen Sea; Dotson Ice Shelf
Issue Date
2015
Citation
Shoosmith, Deb, et al. 2015. Oceanographic observations at the Dotson Ice Shelf front, West Antarctica, and calculations of basal melting. International Glaciological Society Symposium 2015. Churchill College. 2015.08.16~2015.08.21.
Abstract
It is well known that the ocean plays a key role in the process of mass loss from ice sheets through iceberg calving and basal melting. The Amundsen Sea, in the eastern Pacific sector of the Southern Ocean, is a region where the ice shelves are rapidly thinning. The widespread, coherent nature of the thinning suggests oceanic forcing, which has now been well documented for Pine Island Glacier. Studies using satellite data have indicated that Dotson Ice Shelf is melting at a rate of 8?m?a?1 and thinning by about 3?m?a?1. This study works on the problem from an oceanographic perspective. Observations spanning nearly a decade and a half (2000?2014) have been obtained at the Dotson Ice Shelf front. A total of seven hydrographic sections reveal the oceanographic environment in front of the ice shelf as well as changes in water properties and meltwater content over time. We investigate the variability in circulation and meltwater production beneath the ice shelf and produce estimates of the basal melt rate for this 14?year period.
URI
http://repository.kopri.re.kr/handle/201206/8161
Conference Name
International Glaciological Society Symposium 2015
Conference Place
Churchill College
Conference Date
2015.08.16~2015.08.21
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