塔克拉玛干沙漠东部边缘降雨日变化

Abstract

Abstract: Using the meteorological data of Bayingolin Mongol Autonomous Prefecture, Xinjiang, China observed by automatic weather stations on the eastern margin of the Taklimakan Desert, this paper made a statistical analysis to find the daily variation characteristics of the rainfall in this region. Results show that there are differences of precipitation frequency, precipitation magnitude and precipitation period between northeast margin and southeast margin. High precipitation on the northeastern margin of Taklimakan Desert mainly occurred at 3:00, 8:00-9:00 and 17:00, and reached the peak at 17:00, while low precipitation occurred at 7:00 and from 18:00 to 1:00 of the next day. High precipitation on the southeastern margin of the Taklimakan Desert mainly occurred at 8:00, and the low precipitation occurred at 14:00. The rainfall frequency on the eastern margin of the Taklimakan Desert is dominated by light rain, storm had the minimum frequency. According to the contribution rate of rainfall, light rain had the biggest contribution to rainfall in Korla, Luntai, Qiemo and Tieganlike, moderate rain had the biggest contribution to rainfall in Ruoqiang, moderate rain had the minimum contribution to rainfall in Luntai, Qiemo and Tieganlike, heavy rain had the minimum contribution to rainfall in Korla, and rainstorm had the minimum contribution in Ruoqiang and Yuli.

Key words: Taklimakan Desert, rainfall frequency, contribution rate, daily variation

CLC Number:

P426.6

ZHAO Zhan-cheng, DING Guo-feng, Arken. Eastern edge of the Taklimakan Desert rainfall diurnal variation[J]., 2016, 39(6): 1182-1185.

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Eastern edge of the Taklimakan Desert rainfall diurnal variation

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