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《Plateau Meteorology》 1986-03
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A COMPARATIVE ANALYSES ABOUT INFLUENCES OF THE DIFFERENT ALBEDO OVER THE TIBETAN PLATEAU AND ITS NEIGHBOURHOOD UPON ATMOSPHERIC CIRCULATION OF EAST ASIA IN MAY

Luo Siwei Li Weijing Tang Zhuqiang (Lanzhou Institute of Plateau Atmospheric Physics, Academia Sinica)  
A P-σ incorporated vertical coordinate 5-layer limited area primitive equation model was used in this paper to simulate the different albedo over the Tibetan plateau and its neighbourhood in May.The results indicate that changes of general circulation over East Asia in May are obvious when the albedo over the plateau increase and thus heating effect of the plateau decreases.For instance, the 100hPa subtropical westerlies jet shif-tes from north side of the plateau to its south.The air flows at the lower troposphere that converge toward the plateau are weakened remarkably, the"quasi-monsoon cell"at the lower troposphere to the south of the plateau is weakened and lower, and the shear-line to east side of the plateau moves southward.These results show the importance of thermal effect of the plateau on general circulation over the East Asia.
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