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中国的大气环流
释义
中国的大气环流
Encyclopedia
理学
中国的大气环流
释
general circulation in China
中国的大气环流
大范围的大气层具有一定稳定性的各种气流运行的综合现象,其水平尺度横跨数千千米,垂直尺度延伸数十千米以上,时间尺度在105秒以上。各种短期天气现象和过程必定以其相关的平均大气环流过程为背景,而平均大气环流的异常变化必然会导致天气、气候的异常。中国大气环流的基本情况是中纬度(大约北纬30°以北)的西风环流,低纬度哈德莱(Hadley)环流与季风环流的冬夏季节更换。
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