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《Journal of Nanjing Institute of Meteorology》 2001-04
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AN INDEX OF CHINA WINTER TEMPERATURE ANOMALY: EAST ASIAN REGIONAL WESTERLY INDEX

Chen Haishan, Sun Zhaobo (Department of Atmospheric Sciences,NIM,Nanjing 210044)  
The typical spatial pattern,which can represent the variation of winter air temperature in China,is found by EOF analysis of winter air temperature.Based on the investigations on the traditional winter monsoon indices,east Asian regional westerly index ( I EARW ) is proposed to reflect the atmospheric general circulation anomalies associated with the anomalous winter temperature in China.The examination of I EARW shows that it could describe the main feature of winter temperature anomaly,and its variation is investigated.
【Fund】: 国家重点基础研究发展规划”项目 G19980 40 90 1- 3;; 南京气象学院科研基金项目 990 2
【CateGory Index】: P457.3
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