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大气科学  2005 

一个海-冰-气耦合模式中格陵兰海海冰年际变异及其成因的个例分

DOI: 10.3878/j.issn.1006-9895.2005.05.12

Keywords: 耦合模式,海冰变化,数值模拟,格陵兰海

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Abstract:

利用一个全球海-冰-气耦合模式模拟结果,选取冬季年际变率最大的海冰区--格陵兰海海冰区中的一个4年海冰剧烈变化过程展开分析,试图探讨此个例过程中海冰剧烈变化的原因.结果表明,在此个例中,该区域海冰年际变异主要是由大气环流异常驱动的,海表面温度和海冰密集度变化主要是对大气环流变化的响应.海表面温度变化决定着海冰范围及海冰密集度的变化,但海冰变化时通过相变潜热的释放或吸收反过来对海表面温度变化有一定影响.

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