Structural Variation of an Atmospheric Heat Source over the Qinghai-Xizang Plateau and Its Influence on Precipitation in Northwest China |
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Authors: | WEI Na GONG Yuanfa HE Jinhai |
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Abstract: | NCEP/NCAR reanalysis data and a 47-year precipitation dataset are utilized to analyze the relationship between an atmospheric heat source (hereafter called < Q1 >) over the Qinghai-Xizang Plateau (QXP) and its surrounding area and precipitation in northwest China. Our main conclusions are as follows: (1) The horizontal distribution of < Q1 > and its changing trend are dramatic over QXP in the summer. There are three strong centers of < Q1 > over the south side of QXP with obvious differences in the amount o... |
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Keywords: | Qinghai-Xizang Plateau atmospheric heat source/sink greater/lesser precipitation years northwest China |
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