globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-13-00117.1
Scopus记录号: 2-s2.0-84892458831
论文题名:
Atmosphere-ocean coupled process along coastal areas of the Yellow and East China seas in winter
作者: Iwasaki S.; Isobe A.; Kako S.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2014
卷: 27, 期:1
起始页码: 155
结束页码: 167
语种: 英语
Scopus关键词: Air sea interactions ; Atmosphere-ocean interactions ; Coastal meteorologies ; Horizontal gradients ; National center for atmospheric researches ; Pennsylvania State University ; Princeton ocean model ; Sea surface temperatures ; Coastal zones ; Heat flux ; Sea level ; Wind ; Atmospheric thermodynamics ; air-sea interaction ; atmosphere-ocean coupling ; coastal water ; coastal zone ; satellite data ; sea level pressure ; sea surface temperature ; winter ; East China Sea ; Pacific Ocean ; Yellow Sea
英文摘要: A regional atmosphere-ocean coupled model is developed, based on the Pennsylvania State University- National Center for Atmospheric Research Mesoscale Model in conjunction with the Princeton Ocean Model, to investigate atmosphere-ocean coupled processes that might occur over the Yellow and East China Sea shelves in winter. To examine how the coupled processes actually work in the ocean, sea surface temperatures (SSTs) computed in both coupled and uncoupled models are compared with SSTs synthesized from multiple satellite observations. The results indicate that the coupled model significantly improves the negative SST bias in shallow waters around the Chinese coast produced by the uncoupled model. Cool and dry northerly winds from the Asian landmass reduce SST in these shallow waters through intensive upward heat loss. Thereafter, the horizontal gradient of sea level pressure (SLP) around the Chinese coast moderates because the land-ocean heat contrast weakens owing to the reduced SST in the coastal waters. As a result, the wind speed weakens, in line with the moderated horizontal SLP gradient. Moreover, northerly winds can reduce the transport of cool and dry air from the Asian landmass. Hence, upward heat flux around the coastal waters is reduced because of the weakening of the northerly winds and the decreased cool and dry air. This negative feedback thereby suppresses excessive SST cooling along the Chinese coast during winter. © 2014 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51217
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作者单位: Center for Marine Environmental Studies, Ehime University, Matsuyama, Japan; Department of Ocean Civil Engineering, Kagoshima University, Korimoto Kagoshima, Japan

Recommended Citation:
Iwasaki S.,Isobe A.,Kako S.. Atmosphere-ocean coupled process along coastal areas of the Yellow and East China seas in winter[J]. Journal of Climate,2014-01-01,27(1)
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