A NOTE ON WATER EXCHANGE UNDER FAST ICE IN LUTZOW-HOLM BAY, ANTARCTICA

元データ 国立極地研究所

概要

Under coastal fast ice in the Ongul Strait near Syowa Station, Antarctica, warmer, more saline, and oxygen-poorer water appears in mid-depth and deep layers from winter to spring every year. This water is explained as a result of mixing between Circumpolar Deep Water (CDW) and Winter Water (WW). This water becomes more like CDW and more homogenized with time from winter to spring, and in December a mixing ratio of 1 : 3-1 : 4 for CDW to WW is required to explain the properties of the homogenized water. It is inferred that the CDW comes along the glacial troughs. Transport of CDW results in a significant amount of heat supply into the water under fast ice.

著者

Ushio Shuki Institute Of Low Temperature Science Hokkaido University
ONO Nobuo National Institute of Polar Research
Takizawa Takatoshi Japan Marine Science and Technology Center
TAKIZAWA Takatoshi Institute of Low Temperature Science, Hokkaido University
OHSHIMA Kay Institute of Low Temperature Science, Hokkaido University
ONO Nobuo Institute of Low Temperature Science, Hokkaido University
Ohshima K Hokkaido Univ. Sapporo Jpn
Ohshima Kay The Institute Of Low Temperature Science Hokkaido University
Ohshima Kay Hokkaido Univ. Sapporo Jpn
Ohshima Kay Institute Of Low Temperature Science Hokkaido University
Ohshima Kay Institute Of Llow Temperature Science Hokkaido University
Ono N National Institute Of Polar Research
Ono Nobuo Institute Of Low Temperature Science Hokkaido University

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