• 제목/요약/키워드: Typhoon Abby

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북서태평양에서 3차원 수치모델을 이용한 해수면냉각에 미치는 태풍의 영향 (A Numerical Study of Sea Surface Cooling with the Passage of Typhoon Abby in the Northwestem Pacific)

  • 홍철훈
    • 한국수산과학회지
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    • 제41권6호
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    • pp.518-524
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    • 2008
  • A three-dimensional primitive equation model (POM) and the buoy data (2900 N, 13500 E) from the Japan Meteorological Agency (JMA) for 27 typhoons between 1982 and 2000 are used to investigate the sea surface cooling (SSC) that accompanies typhoons in the northwestern Pacific. Observed sea surface temperatures (SSTs) rapidly drop 0.6 to 4.3 C, and SSC continues for several weeks after the passage of a typhoon. The model, which covers most of the northwestern Pacific ($24^{\circ}N$ to $52^{\circ}N$), simulated Typhoon Abby over the tropical Pacific, and successfully reproduces many observed features, including the pattern of SST decrease, inertial oscillations, etc. The model accurately simulated the SSC process, suggesting that the cyclonic eddy with a radius of a few hundred kilometers that trailed Typhoon Abby plays an important role in SSC.