Interdecadal Features of Correlation Between ENSO and Summer Rainfall in East China
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Abstract:
The features of correlation between SST and summer precipitation in East China and its interannual/interdecadal variation were investigated by using NCEP/NCAR reanalysis SST data and precipitation data provided by the national meteorological center. The main results show that there exists obvious synchronous correlation between SST in the Nino 3 region and annual summer rainfall over East China, and the interannual correlation show apparent features of interdecadal variation. It is found by using running correlation technology that interannual correlation between SST in the Nino 3 region and summer rainfall over East China had abrupt changes, which can be described by three periods: before 1972, 1973 to 1983, and after 1984, corresponding to the precipitation pattern changes: east to west, south to north, and south to north.
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P426.613 X513
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.