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Rate of late Quaternary ice-cap thinning on King George Island, South Shetland Islands, West Antarctica definded by cosmogenic 36Cl surface exposure dating

Cited 10 time in scopus
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Title
Rate of late Quaternary ice-cap thinning on King George Island, South Shetland Islands, West Antarctica definded by cosmogenic 36Cl surface exposure dating
Other Titles
36Cl 노출연대측정을 이용한 서남극 남셰틀랜드군도 킹죠지섬의 제4기 후기 빙모 감소속도 연구
Authors
Seong, Y.B.
L.A. Owen
Lee, Yong Il
M.W. Caffee
Kim, Yeadong
Yoon, Ho Il
Lim, Hyoun Soo
Subject
Physical Geography; Geology
Keywords
Antarctica; King George Island; LGM; cosmogenic 36Cl dating; deglaciation
Issue Date
2009
Publisher
TAYLOR & FRANCIS
Citation
Seong, Y.B., et al. 2009. "Rate of late Quaternary ice-cap thinning on King George Island, South Shetland Islands, West Antarctica definded by cosmogenic 36Cl surface exposure dating". Boreas, 38: 207-213.
Abstract
Glacial landforms on the Barton and Weaver peninsulas of King George Island in the South Shetland Islands, West Antarctica were mapped and dated using terrestrial cosmogenic 36Cl methods to provide the first quantitative terrestrial record for late Quaternary deglaciation in the South Shetland Islands. 36Cl ages on glacially eroded and striated bedrock surfaces range from 15.5+2.5 kyr to 1.0+0.7 kyr. The 36Cl ages are younger with decreasing altitude, indicating progressive downwasting of the southwestern part of the Collins Ice Cap at a rate of -12mm/yr since 15.5+2.5 kyr ago, supporting the previously published marine records for the timing and estimate of the rate of deglaciation in this region.
URI
http://repository.kopri.re.kr/handle/201206/6020
DOI
http://dx.doi.org/10.1111/j.1502-3885.2008.00069.x
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