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OALib Journal期刊
ISSN: 2333-9721
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赤道海洋对罕见台风“画眉”的响应
Keywords: 罕见台风“画眉”,感热,潜热,叶绿素a浓度,海洋响应
Abstract:
？利用ghrsstl4、quikscat、oaflux以及seawifsl3资料分析了近赤道罕见台风“画眉”生成前后海表温度sst及其感热通量、潜热通量和叶绿素a浓度的变化。在台风“画眉”生成之前,中南半岛沿岸海表平均温度较其他区域低,并且在南海盛行东北风,在台风生成区有一明显的气旋性涡旋存在。南海北部地区潜热通量和感热通量均较大,而在台风的生成区域仅感热通量较大。台风“画眉”使其路径右侧的区域发生海表温度降低,相对于其他强度较强的台风降温较小,海表温度在马来半岛以东洋面以及马六甲海峡降低明显,降低约2—2.5℃。与高纬度的台风类似,台风“画眉”使中南半岛沿岸以及马来半岛与苏门答腊岛之间的地区叶绿素a浓度相对于台风前增大0.6mg·m-3以上。
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