【摘要】 回顾了近20年来中国科学院大气物理研究所大气科学和地球流体动力学数值模拟国家重点实验室近海和区域海洋环流模式发展和应用的历程。介绍了正压区域海流模式在中国近海海流数值模拟研究当中的应用以及一个24层、最高水平分辨率为0.25°×0.25°的三重嵌套的中国近海环流模式及其应用。在嵌套模式基础上,基于变分原理,建立了一个中国近海环流的资料同化分析系统。初步结果表明,资料同化提高了模式计算的真实性,所揭示的黑潮的强度和流幅、夏季黄海冷水团的位置等都更接近观测结果。更多还原

【Abstract】 The article reviews the course that the regional ocean models have been developed and ap-plied by LASG/IAP during the last two decades. All of these models, such as: a regional barotropic o-cean model, a 24-Ievel tri-nested baroclinic ocean model with the highest horizontal resolution of 0. 25°× 0. 25°, and a temperature data assimilation system based on the nested modei and variational principle, have been successfully used in the numerical simulation of the circulation in the China Sea. In particular, the modei with assimilation of temperature data gives a realistic simulation, for example, the strength and width of the Kuroshio and the position of Yellow Sea Cold Water in summer revealed by the model coincide well with the observations.更多还原