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本文应用一个静力平衡四层中尺度模式,数值模拟了海南岛地形及热源对周围海域上空气流的影响。模拟结果能较好地解释海南岛附近海域风速分布的一些特征和前汛期南海北部上空超低空急流的形成。
In this paper, a static equilibrium four-layer mesoscale model is used to numerically simulate the impact of Hainan Island topography and heat source on the air flow over the surrounding sea. The simulation results can well explain some characteristics of the wind speed distribution near the sea of Hainan Island and the formation of ultra-low level jet stream over the northern South China Sea in the first flood season.