| 北半球50 hPa平均环流场的气候特征及其与我国夏季降水关系的初步分析 |
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| 引用本文： | 艾悦秀,陈兴芳.北半球50 hPa平均环流场的气候特征及其与我国夏季降水关系的初步分析[J].高原气象,2000,19(1):66-74. |
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| 作者姓名： | 艾悦秀 陈兴芳 |
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| 作者单位： | 国家气候中心预测室,北京,100081 |
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| 基金项目： | 国家科技攻关项目,96-908-04-04-4, |
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| 摘 要： | 通过分析北半球５０ｈＰａ平均环流场及其月际差、方差分布,得出５０ｈＰａ平均环流场以季节变化最显著,同时计算了我国东部华北、淮河、长江中下游、江南和华南等５个区夏季降水指数与前期冬季１２～２月、春季３～５月、同期６～８月北半球５０ｈＰａ环流的相关,其中以屯前期春季３～５月５０ｈＰａ平均环流的关系最显著。
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| 关 键 词： | 气候特征 夏季 降水 相关关系 平均环流场 |
| 修稿时间： | 1998-08-03 |
THE PRIMARY ANALYSIS OF CLIMATIC FEATURE OF 50 HPA MEAN CIRCULATION IN NH AND ITS RELATIONSHIP WITH SUMMER RAINFALL IN CHINA |
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| AI Yue-xiu,CHEN Xing-fang.THE PRIMARY ANALYSIS OF CLIMATIC FEATURE OF 50 HPA MEAN CIRCULATION IN NH AND ITS RELATIONSHIP WITH SUMMER RAINFALL IN CHINA[J].Plateau Meteorology,2000,19(1):66-74. |
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| Authors: | AI Yue-xiu CHEN Xing-fang |
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| Abstract: | According to the analysis of 50
hPa mean circulation in the Northern Hemisphere(NH), it can be concluded that seasonal
variation of 50 hPa is the most significant. In the meantime,the correlation coefficient
is analyzed between summer rainfall index in East China(including 5 areas North China area, Huaihe River
area, middle-low reaches of Yangzi River, areas south of Yangzi River and south China
area) and 50 hPa mean circulation in previous winter,spring and in summer;and the
relationship in previous spring is the most significant among the them. |
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| Keywords: | hPa Climatic feature Summer rainfall Correlation linkage |
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