| 春季低温连阴雨天气的热带环流和总云量分布 |
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| 引用本文： | 席林华.春季低温连阴雨天气的热带环流和总云量分布[J].气象,1989,15(8):10-15. |
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| 作者姓名： | 席林华 |
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| 作者单位： | 江苏苏州市气象局 |
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| 摘 要： | 本文根据长江中下游六省一市3—5月气温与降水资料,确定低温连阴雨天气过程。发现连阴雨及连晴过程所对应的热带环流及波谱特征有明显差异,热带太平洋156°E、180°剖面上总云量分布特征有显著不同,厄尔尼诺年与长江中下游连阴雨天气的关系十分密切。
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| 关 键 词： | 春季 低温 雨天气 热带环流 云量 |
Tropical circulation and total cloud cover distribution of low temperature and steadily rainy synoptic process in spring in the middle and lower reaches of the changjiang River |
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| Abstract: | In the paper, the low temperature and steadily rainy synoptic process is defined based on temperature and precipitation data. It is discovered that the tropical circulation and spectrum features in the process of steadily rainning varies significantly from that of steadily shining. The distribution of total cloud cover on the section of 156°E is obviously differents from that of 180° in the tropical Pacific. In addition ,the El Nino year has got a relationship much closer with the steadily rainning weather in the middle and lower reaches of the Changjiang River . |
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