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冬季高原积雪和欧亚积雪对我国夏季旱涝不同影响关系的环流特征分析
引用本文:陈兴芳,宋文玲.冬季高原积雪和欧亚积雪对我国夏季旱涝不同影响关系的环流特征分析[J].大气科学,2000,24(5):585-592.
作者姓名:陈兴芳  宋文玲
作者单位:中国气象局国家气候中心,北京,100081
基金项目:国家"九五"重中之重科技项目"我国短期气候预测系统的研究"(96-908-04-04)资助
摘    要:冬季高原积雪和欧亚积雪异常对我国夏季旱涝有一定的影响作用,但是它们与我国夏季降水的相关分布基本上是相反的.通过冬季积雪与北半球500hPa高度场的相关分析,从春季和夏季平均环流场对前期冬季高原积雪和欧亚积雪异常的不同响应,来探讨冬季高原积雪和欧亚积雪与我国夏季降水不同相关关系的原因,也为积雪因子在我国汛期旱涝预测中的应用提供一定的物理基础.

关 键 词:冬季    积雪    相关分析

Circulation Analysis of Different Influence of Snow Cover over the Tibetan Plateau and Eurasia in Winter on Summertime Droughts and Floods of China
Chen Xingfang and Song Wenling.Circulation Analysis of Different Influence of Snow Cover over the Tibetan Plateau and Eurasia in Winter on Summertime Droughts and Floods of China[J].Chinese Journal of Atmospheric Sciences,2000,24(5):585-592.
Authors:Chen Xingfang and Song Wenling
Abstract:The abnormality of snow cover. over the Qinghai-Xizang Plateau and Eurasia in winter has certain influences on summertime droughts and floods of China. But the correlation distributions between these two snow covers and summertime precipitation of China are almost opposite. The au- thors analyse the different respondences of mean circulation of spring and summer to snow cover over the Tibetan Plateau and Eurasia in winter, and study the causes of the different correlation between these two snow covers and precipitation in summer of China. The result provides a physical base for the application of snow cover data in drought and flood forecast.
Keywords:winter  snow cover  correlation analysis
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