胡瑞金,刘秦玉,孟祥凤

• 1:中国海洋大学物理海洋实验室
• 2:海气相互作用气候实验室
• 3:中国海洋大学物理海洋实验室
• 4:海气相互作用气候实验室

摘要(Abstract)：

探讨赤道以北印度洋的热量收支及变化机制。根据积分10年(1987～1996)的全球海洋模式(MOM 2 )资料,利用积分形式的热量平衡方程,系统地研究了北印度洋的经向热输送和热量收支的季节与年际变化。主要结论为:在季节尺度上,越赤道的经向热输送和赤道以北印度洋热含量变化有年循环特征,而海面净热通量呈现半年周期变化特点;在年际尺度上,热含量的变化主要由经向热输送的变化引起,其它项的影响较小;经向热输送集中在上5 0 0m ,尤其在15 0m以上;在总的经向热输送中,经向翻转环流的贡献起主要作用,涡动项的贡献比较小;某一纬度上经向热输送异常以及此纬度以北印度洋总的海面净热通量异常与此纬度上纬向积分的纬向风应力异常有很好的相关关系;还分析了10°N阿拉伯海和10°N孟加拉湾的经向热输送与越赤道的经向热输送的关系,以及海面净热通量各分量的变化特点。

关键词(KeyWords)： 经向热输送;热收支;季节变化;年际变化;北印度洋

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目 (40 2 330 33)资助

作者(Author): 胡瑞金,刘秦玉,孟祥凤

DOI: 10.16441/j.cnki.hdxb.2005.03.003

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