东海黑潮对台风过境的响应特征
Response of Sea Level Anomaly to Typhoon around Kuroshio Area
  
DOI:
中文关键词:  黑潮  台风  海表面高度异常
英文关键词:Kuroshio Current  Typhoon  Sea Level Anomaly
基金项目:
作者单位
张磊 海军大连舰艇学院,辽宁 大连 116018 
韩卫通 海军大连舰艇学院,辽宁 大连 116018 
康力朝 海军大连舰艇学院,辽宁 大连 116018 
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中文摘要:
      本文调查了“威马逊”台风过境时东海黑潮对台风的响应特征,以海面高度异常(Sea Level Anomaly, SLA)和摩擦深度作为主要研究因子,利用艾克曼风生海流理论,得出了在“威马逊”台风过程中东海黑潮附近海域尤其是宫古海峡处的SLA值和摩擦深度的响应特征,发现了东海黑潮及其周边海域表层流场与海面高度异常值(SLA)之间的对应关系存在明显的季节性变化特征, SLA正负极值区对应的表层流场一般呈现反气旋型分布和气旋型分布,利用这一对应关系可以有效地分析判断在台风过程中东海黑潮及附近海域表层流场的响应特征。其结论对于东海黑潮流域的海洋环境分析和该区域的军事活动都有重要的参考价值。
英文摘要:
      This study investigates the response characteristics of the Kuroshio in the East China Sea to the typhoon Wilson during it passing through. Sea Level Anomaly (SLA) is the main factor for analyzing the response characteristics. The response characteristics of the SLA and the friction depth in the Kuroshio area, especially in the Miyako Strait, are gain by using the Ekman wind-induced current theory during the typhoon Wilson passing through. The study finds that there is seasonal variation in the correspondence between surface currents and sea Level Anomaly (SLA) in the Kuroshio over the East China Sea. The surface flow corresponding to the SLA positive and negative extreme-value generally presents anti-cyclonic and cyclonic distribution, which can be used to effectively analyze the response characteristics of the surface flow of the Kuroshio in the East China Sea during the typhoon passing through. The conclusions have important reference value to the analysis of the marine environment in the Kuroshio over the East China Sea and the military activities in this area.
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