An East Asian Subtropical Summer Monsoon Index and Its Relationship to Summer Rainfall in China |
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Authors: | ZHAO Ping and ZHOU Zijiang |
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Institution: | [1]Chinese Academy of Meteorological Sciences, Beijing 100081 [2]Meteorological Information Center of China Meteorological Administration, Beijing 100081 |
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Abstract: | Using the monthly mean NCEP/NCAR reanalysis data and the monthly rainfall observations at 160 rain gauge stations of China during 1961-1999,and based on major characteristics of the atmospheric circulation over East Asia and the western Pacific,a simple index for the East Asian subtropical summer monsoon (EASSM) is defined.The relationship between this index and summer rainfall in China and associated circulation features are examined.A comparison is made between this index and other monsoon indices. The re... |
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Keywords: | East Asia monsoon index atmospheric circulation the Meiyu front summer rainfall |
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