Connections between surface sensible heat net flux and regional summer precipitation over China |
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| Authors: | TANG Yanbing |
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| Institution: | Department of Earth Sciences, Zhejiang University, Hangzhou,310028 |
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| Abstract: | Using the observed monthly precipitation and NCEP (National Centers for Environmental Prediction)reanalysis surface flux data from 1951-2000, the connections between the seasonal SSHNF (Surface Sensible Heat Net Flux) over the Asian continent and the regional summer precipitation of China were examined.The patterns of collective and individual correlations were identified. The results indicate that the response of the regional summer precipitation of China to the seasonal SSHNF over the study area varies according to region and season. The interannual variability of summer precipitation anomalies over Xinjiang, the northernmost Northeast China, and the North China Plain are most sensitive to the anomaly of the seasonal SSHNF. There are significant collective correlations between the interannual anomalies of the seasonal SSHNF and summer precipitation over these regions. In contrast, the Southeast Tibetan Plateau,Huaihe River Valley, and surrounding areas exhibit the least significant correlation. Significant individual correlations exist between the summer precipitation over the southernmost Northeast China, East Inner Mongolia, South of the Yangtze River and South China and the seasonal SSHNF in certain seasons over the following areas: near Lake Baikal and Lake Balkhash, near Da Hinggan Mountains and Xiao Hinggan Mountains, as well as the Tibetan Plateau. |
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| Keywords: | surface sensible heat flux summer precipitation correlation analysis |
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