IMPACT OF UPLIFT OF TIBETAN PLATEAU AND CHANGE OF LAND-OCEAN DISTRIBUTION ON CLIMATE OVER ASIA |
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| Authors: | CHEN Longxun LIU Jiping ZHOU Xiuji Chinese Academy of Meteorological Sciences |
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| Institution: | CHEN Longxun LIU Jiping ZHOU Xiuji Chinese Academy of Meteorological Sciences.Beijing 100081WANG Pinxian Chinese Tongji University,Shanghai 200092 |
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| Abstract: | Using an improved CCM1/NCAR climate dynamic model and a combination distribution of land-ocean-vegetation during 40-50 MaBP,a series of numerical experiments representing different stages of the Tibetan Plateau uplifting and different land-ocean distributions are designed to discuss the influence of the Plateau uplifting and land-ocean distribution variation on Asian climate change.It is shown that Tibetan Plateau uplifting can firstly increase the precipitation in China during the period from initial uplift to half height of modern Tibetan Plateau and then decrease the rainfall during the time from the half height to the present plateau.At the same time. the uplifting can reduce surface air temperature over China.Besides.the effects of the uplift and land-ocean distribution change on the variation of winter and summer Asian monsoon circulation are also discussed. |
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| Keywords: | climate dynamic model Tibetan Plateau uplifting different land-ocean distributions |
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