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本文基于尺度分析方法,对正压海洋与斜压海洋大尺度运动地转适应的若干问题进行了较为系统的讨论。对正压海洋,给出了线性地转适应理论的限制范围,阐明了远离侧向边界的大洋内部流动向外部定常风场的适应机理。对于斜压海洋,着重讨论了海洋垂直方向的有界性和密度层化作用对地转适应过程的影响,论证了两层海洋模型以及有限深度海洋中地转平衡态解的性质,指出了海洋与大气在地转适应过程方面的异同以及在特定条件下非线性一阶模型动力学的守恒性。
Based on the method of scale analysis, this paper systematically discusses some problems of adapting to large-scale movement of positive ocean and baroclinic ocean. For the positive pressure ocean, the limit of linear adaptability theory is given, and the mechanism of adaptation to the external steady wind field in the interior of the ocean away from the lateral boundary is clarified. For the baroclinic ocean, we discuss the influence of oceanic vertical direction boundedness and density stratification on the geostrophic adaptation process, and demonstrate the nature of the geostrophic equilibrium solutions in the two-layer ocean model and in the limited-depth ocean. It is pointed out that the ocean Similarities and differences with the atmosphere in geostrophic adaptation process and the dynamics of nonlinear first-order model under certain conditions.