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Two types of wind effect on the Circumpolar Deep Water inflow into the Amundsen Sea shelf.

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Title
Two types of wind effect on the Circumpolar Deep Water inflow into the Amundsen Sea shelf.
Other Titles
아문젠해역으로 유입되는 남극순환류에 미치는 바람의 영향.
Authors
Lee, Jae-Hak
Kim, Tae-Wan
Ha, Ho Kyung
Lee, Sang H.
Hong, Chang-Su
Keywords
Amundsen Sea; CDW
Issue Date
2012
Citation
Lee, Jae-Hak, et al. 2012. Two types of wind effect on the Circumpolar Deep Water inflow into the Amundsen Sea shelf.. Filchner Ronne Ice Shelf Programme(FRISP). Filchner Ronne Ice Shelf Programme(FRISP). 2012.11.23~.
Abstract
Though it has been believed that basal melting of the Amundsen Sea Ice Sheet is induced by intrusion of relatively warm Circumpolar Deep Water (CDW), direct field observation to support it is rare. During the austral summer season in 2010 and 2012, Korea Polar Research Institute conducted hydrographic surveys in the central Amundsen Sea shelf using the Korean IBRV ARAON. The data of CTD castings and yearlong mooring current meters indicate that the near bottom penetration of CDW into the shelf area has temporal variability at multiple time scales ranging from sub- seasonal to interannual. Such variations in the intensity of CDW intrusion may be attributed to changes in regional wind forcing. We will present two types of conceptual model for wind effect on the CDW inflow.10 and 2012, Korea Polar Research Institute conducted hydrographic surveys in the central Amundsen Sea shelf using the Korean IBRV ARAON. The data of CTD castings and yearlong mooring current meters indicate that the near bottom penetration of CDW into the shelf area has temporal variability at multiple time scales ranging from sub- seasonal to interannual. Such variations in the intensity of CDW intrusion may be attributed to changes in regional wind forcing. We will present two types of conceptual model for wind effect on the CDW inflow.
URI
http://repository.kopri.re.kr/handle/201206/8389
Conference Name
Filchner Ronne Ice Shelf Programme(FRISP)
Conference Place
Filchner Ronne Ice Shelf Programme(FRISP)
Conference Date
2012.11.23~
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