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Circulation and Property Changes in the North Pacific Ocean for the Last Glacial Maximum

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dc.contributor.authorKim, Seong-Joong-
dc.contributor.authorPark, Young-Gyu-
dc.coverage.spatialNorth Pacific Ocean-
dc.description.abstractThe property and circulation changes in the North Pacific Ocean during the last glacial maximum (LGM) are investigated using a coupled ocean-atmosphere-sea ice climate model. In the LGM, an increase in potential density in upper layers of the northern North Pacific makes the water column highly unstable and eventually results in the enhancement of the North Pacific Intermediate Water (NPIW) production. The NPIW outflow reaches deeper layers than in present, but confined to the North Pacific, in consistent with proxy evidence. The increase in potential density is predominantly due to the increase in salinity and secondarily decreases in temperature. The increase in surface salinity is especially high in the Sea of Okhotsk and the western Bering Sea, which are the possible source areas of the glacial NPIW production. In these regions, an increase in brine release due to the markedincrease in sea ice, the excessive evaporation over precipitation, and the reduction in river discharge contribute to the increase in surface salinity. In short, reduction in freshwater input to the northern North Pacific is mainly responsible for the increase in the production and outflow of glacial NPIW.-
dc.titleCirculation and Property Changes in the North Pacific Ocean for the Last Glacial Maximum-
dc.title.alternative지난 최대 빙하기 동안 북태평양의 순환과 특성 변화 연구-
dc.identifier.bibliographicCitationKim, Seong-Joong, Park, Young-Gyu. 2007. Circulation and Property Changes in the North Pacific Ocean for the Last Glacial Maximum. 한국해양학회. 한국해양학회. 2007.05.31~.-
dc.subject.keywordCoupled climate model-
dc.subject.keywordLast Glacial Maximum-
dc.subject.keywordNorth Pacific Ocean-
dc.subject.keywordNorthPacific IntermediateWater-
Appears in Collections  
2007-2010, Integrated research on the COMposition of Polar Atmosphere and Climate Change(COMPAC) (07-10) / Lee, Bang Yong
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