冬季南海冷涌形成与传播的数值模拟
A NUMERICAL MODELLING STUDY OF THE GENERTION AND PROPAGATION OF WINTER COLD SURGE FOR THE SOUTH CHINA SEA
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摘要: 本文利用复杂地形条件下的热带有限区数值预报模式和ECMWF格点资料,较好地模拟了1981年1月上旬的一次南海冷涌过程,分析了冷涌的基本特征,并初步研究了冷涌的中纬度激发条件和低纬环流对冷涌的可能影响。Abstract: A cold surge in the South China Sea in Jan. 1981 is well simulated using a tropical limited area numerical weather prediction model with consideration of complex topogrph and ECMWF’s grid data. Basic characteristics of cold surges are analyzed and their stimulating conditions in mid-latitude and possible effects of low latitude circulation on cold surges are preliminarily studied.
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