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农业科学与技术(英文)
2008,9
(1)
150-156
Position: Home > Articles > Preliminary studies on summer precipitation patterns in China.
Agricultural Science & Technology
2008,9
(1)
150-156
Preliminary studies on summer precipitation patterns in China.
作 者：
Li Luan
单 位：
China.; Nanjing 210008;Department of Atmospheric Science; Nanjing University
关键词：
agricultural meteorology;crop production;precipitation;rain;spatial distribution;summer;weather data;weather patterns;Beijing;China
摘 要：
A study was conducted to examine the spatial distribution of summer precipitation patterns and interannual and interdecadal variability. The summer precipitation patterns were obtained from standard field of summer precipitation data of 160 observation stations in China during 1951-2000 using the empirical orthogonal function (EOF). The characteristics of interannual and interdecadal variability were also analysed. The results showed that the summer precipitation was mainly distributed in the eastern part of China. The first, second and third EOF modes of spatial distribution were especially remarkable and consistent with the results of previous reports on three rainfall patterns from the analysis of the percentages of precipitation anomaly of summer. It is concluded that there exists interannual and interdecadal variability for summer precipitation in China.
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