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IMPACTS OF ANTARCTIC OSCILLATION ON SUMMER MOISTURE TRANSPORT AND PRECIPITATION IN EASTERN CHINA
作者姓名:QINJun  WANGPan-xing  GONGYan
作者单位:Nanjing University of Information Science and Technology Nanjing 210044 P. R. China
基金项目:Under the auspices of the National Natural Science Foundation of China (No. 40233037)
摘    要:1INTRODUCTIONSummer precipitation in China is a phenomenon hap-pening in the south-north oscillation process of the EastAsian summermonsoon, andthe monsoon is in essenceresulted from the joint effects of the planetary scale cir-culation ofthermal convecti…

关 键 词:南极共振  水汽传输  夏季降水异常  中国  太平洋季风
收稿时间:25 January 2004

Impacts of antarctic oscillation on summer moisture transport and precipitation in eastern China
QINJun WANGPan-xing GONGYan.IMPACTS OF ANTARCTIC OSCILLATION ON SUMMER MOISTURE TRANSPORT AND PRECIPITATION IN EASTERN CHINA[J].Chinese Geographical Science,2005,15(1):22-28.
Authors:Qin Jun  Wang Pan-xing  Gong Yan
Institution:(1) Nanjing University of Information Science and Technology, 210044 Nanjing, P. R. China
Abstract:Using NCEP/NCAR reanalysis data and monthly precipitation over 160 conventional stations in China, analyses of moisture transport characteristics and corresponding precipitation variation in the east part of China in summer are made, and studies are carried out on possible influence on moisture transport and precipitation in summer by the variation of Antarctic Oscillation (AAO). The results show that the abnormal variation of the AAO affected the summer precipitation in China significantly. The variation of AAO can cause the variation of intension and location of Northwestern Pacific High, which in turn cause the variation of summer monsoon rainfall in the eastern China.
Keywords:Antarctic Oscillation  moisture transport  summer precipitation anomaly  China
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