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OALib Journal期刊
ISSN: 2333-9721
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阿拉伯海东南海域盐度收支的季节变化
Keywords: 阿拉伯海东南海域,表层盐度,季节变化,淡水通量,平流输送
Abstract:
？采用soda海洋同化产品的月平均资料,本文分析了阿拉伯海东南海域表层盐度的季节变化特征，发现局地海面淡水通量不能解释盐度的变化。两个典型区域的表层海水盐度收支分析表明，海洋的平流输送是造成阿拉伯海东南海域盐度冬季降低、夏季升高的主要原因，而淡水通量仅在夏季印度西侧沿岸区域造成盐度降低。冬季，东北季风环流将孟加拉湾北部的低盐水沿同纬度输送到阿拉伯海，然后向北输送，使表层海水盐度降低；夏季，西南季风环流把阿拉伯海西北部的高盐水向南、向东输送，使阿拉伯海东南海域盐度升高。受地理位置因素的影响，阿拉伯海东南海域表层盐度的变化冬季明显强于夏季。
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