The physical effects of topography and heat sources on the formation and maintenance of the summer monsoon over Asia |
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| Authors: | Huang Ronghui Yan Bangliang |
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| Institution: | Institute of Atmospheric Physics, Academia Sinica, Beijing,Institute of Atmospheric Physics, Academia Sinica, Beijing |
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| Abstract: | The physical effects of topography and heat sources on the formation and maintenance of the summer mon-soon over Asia we discussed in this paper by using the transformed Eularian-mean equations and a quasigeostrophic 34-level spherical coordinate model.The computed results of the divergence of the E-P flux, the induced meridional circulation and the pertur-bation geostrophic wind speed induced by the forcing of topography and heat sources show that the diabatic heating effect over the Tibetan Plateau may play an important role for the formation and maintenance of the summer monsoon over Asia, which is much greater than the dynamical effect of topography.The computed results also show that, of the physical effects of topography and heat sources on the formation and maintenance of the summer monsoon over Asia, the effect of forced meridional circulation is larger than that of the divergence of E-P flux of the induced waves. |
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