Title: Modern Spatial and Seasonal Distribution of Precipitation in Western China and Its Adjacent Areas
Abstract: The precipitation of eastern,southwestern China,and south Qinghai-Tibetan Plateau(QTP) is traditionally considered brought by Asian summer monsoon(ASM),while the northern QTP and Xinjiang Uygur Autonomous Region is influenced by Westerlies with predominant winter and spring precipitation.However,recent geological evidence and model simulation results indicated that the precipitation pattern of Xinjiang Region was similar to the ASM area during the past interglacial stages.In this study,the precipitation data of TRMM 3B43 and meteorological station observed were used to investigate modern precipitation distribution pattern in western China and its adjacent areas.We concluded that:(1) Most of the annual precipitation occurred during the summer time in western China.(2) The annual rainfall in eastern and central area west of China boundary(within the area of 25°-45° N and 58°-70° E) was dominated by winter and spring precipitation.(3) Most of annual precipitation in Xinjiang Region falls between April and August,accompanied with risen temperature.The precipitation pattern of Xinjiang Region is neither similar to the Westerlies influenced areas nor to the ASM area.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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