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    Typhoon Kai-Tak: An Ocean’s Perfect Storm

    Source: Journal of Physical Oceanography:;2010:;Volume( 041 ):;issue: 001::page 221
    Author:
    Chiang, Tzu-Ling
    ,
    Wu, Chau-Ron
    ,
    Oey, Lie-Yauw
    DOI: 10.1175/2010JPO4518.1
    Publisher: American Meteorological Society
    Abstract: An unusually intense sea surface temperature drop (?SST) of about 10.8°C induced by the Typhoon Kai-Tak is observed in the northern South China Sea (SCS) in July 2000. Observational and high-resolution SCS model analyses were carried out to study the favorable conditions and relevant physical processes that cause the intense surface cooling by Kai-Tak. Upwelling and entrainment induced by Kai-Tak account for 62% and 31% of the ?SST, respectively, so that upwelling dominates vertical entrainment in producing the surface cooling for a subcritical storm such as Kai-Tak. However, wind intensity and propagation speed alone cannot account for the large ?SST. Prior to Kai-Tak, the sea surface was anomalously warm and the main thermocline was anomalously shallow. The cause was a delayed transition of winter to summer monsoon in the northern SCS in May 2000. This produced an anomalously strong wind stress curl and a cold eddy capped by a thin layer of very warm surface water west of Luzon. Kai-Tak was the ocean?s perfect storm in passing over the eddy at the ?right time,? producing the record SST drop and high chlorophyll-a concentration.
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      Typhoon Kai-Tak: An Ocean’s Perfect Storm

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4212876
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    contributor authorChiang, Tzu-Ling
    contributor authorWu, Chau-Ron
    contributor authorOey, Lie-Yauw
    date accessioned2017-06-09T16:37:06Z
    date available2017-06-09T16:37:06Z
    date copyright2011/01/01
    date issued2010
    identifier issn0022-3670
    identifier otherams-71029.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4212876
    description abstractAn unusually intense sea surface temperature drop (?SST) of about 10.8°C induced by the Typhoon Kai-Tak is observed in the northern South China Sea (SCS) in July 2000. Observational and high-resolution SCS model analyses were carried out to study the favorable conditions and relevant physical processes that cause the intense surface cooling by Kai-Tak. Upwelling and entrainment induced by Kai-Tak account for 62% and 31% of the ?SST, respectively, so that upwelling dominates vertical entrainment in producing the surface cooling for a subcritical storm such as Kai-Tak. However, wind intensity and propagation speed alone cannot account for the large ?SST. Prior to Kai-Tak, the sea surface was anomalously warm and the main thermocline was anomalously shallow. The cause was a delayed transition of winter to summer monsoon in the northern SCS in May 2000. This produced an anomalously strong wind stress curl and a cold eddy capped by a thin layer of very warm surface water west of Luzon. Kai-Tak was the ocean?s perfect storm in passing over the eddy at the ?right time,? producing the record SST drop and high chlorophyll-a concentration.
    publisherAmerican Meteorological Society
    titleTyphoon Kai-Tak: An Ocean’s Perfect Storm
    typeJournal Paper
    journal volume41
    journal issue1
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/2010JPO4518.1
    journal fristpage221
    journal lastpage233
    treeJournal of Physical Oceanography:;2010:;Volume( 041 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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