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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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海洋的比熵和等熵分析
Keywords: 海水,比熵,地转流,等熵分析
Abstract:
？基于海水热力学局域平衡的假定及feistel(2003,2005)给出的海水gibbs热力学势函数表达式,利用全球海洋观测数据,计算了全球海洋网格域的比熵、位温、位密等热力学参数,分析了海水比熵的时-空分布格局及其与位温、位密以及中性面之间的关系。分析结果表明,海洋中的比熵与位温之间具有确定的解析关系,而海洋中的比熵与位密、中性面之间的分布则无明显的一致性;这一结论为文章进一步导出海洋内部近似稳态大尺度地转环流在等熵面上的流函数,证明等熵面与等密面的交线即物理海洋学上经典的“动力计算方法”中的montgomery流函数,进而为海洋内部的准地转运动的等熵-等密分析提供了新的热力-动力学依据。
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