| 1999年夏季中国降水南多北少成因初探 |
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| 引用本文： | 陈桂英,张培群,许力.1999年夏季中国降水南多北少成因初探[J].气候与环境研究,2001,6(3):312-320. |
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| 作者姓名： | 陈桂英 张培群 许力 |
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| 作者单位： | 国家气候中心, |
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| 基金项目： | 国家“九五”重中之重科技攻关项目“我国短期气候预测系统的研究”96-908-04-01专题 |
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| 摘 要： | 对1999年中国夏季降水特征及其成因的分析表明,1999年夏季中国长江中下游地区降水偏多有其重要的气候背景,主要受到降水年代际振荡湿期的影响,而LaNina事件的冬季增强是造成1999年中国夏季雨带位置偏南,北方少雨干旱的重要物理因素.
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| 关 键 词： | La Nina 年代际振荡 季风 旱涝 模型 |
| 修稿时间： | 1999年10月27 |
Preliminary Studies on the Cause of Southern Flood and Northern Drought during the Summer of 1999 in China |
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| Chen Guiying,Zhang Peiqun and Xu Li.Preliminary Studies on the Cause of Southern Flood and Northern Drought during the Summer of 1999 in China[J].Climatic and Environmental Research,2001,6(3):312-320. |
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| Authors: | Chen Guiying Zhang Peiqun and Xu Li |
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| Abstract: | The distribution of precipitation and its cause during the summer of 1999 have been inves- tigated. The results show that it is the decadal-to-interdecadal oscillations of precipitation in the mid- dle and low reaches of the Yangtze River, which is in the wet phase from the recent decadal, that is considered as the most important climate background of the relative richer rainfall during the summer of 1999. Furthermore, the intensifying of La Nina event in the former winter is accounted for the south- ward excursion of main rain belt and drought in the north of China. |
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