SpatialTemporal Distribution Characteristics of ShortPeriodHeavy Precipitation in Baoxing of Sichuan
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Abstract:
Based on the hourly and minutely precipitation data of 1970 to 2000 from 2008 to 2014, the spatialtemporal distribution characteristics of shortperiod heavy precipitation from May to September in Baoxing are analyzed. The results indicate that: shortperiod heavy precipitation in Baoxing occurs in July and August mostly; owing to complex topography, different altitude and location, the intensity of shortperiod heavy precipitation varies greatly; the maximum rainfall intensity is at the altitude of 140 to 1500 meters and the longest rain duration at the altitude about 2580 meters, which are apt to lead to geological disasters such as debris flow; below the altitude of 1300 meters, the higher the altitude is, the longer the development of the mesoγ scale system sustains and the stronger the precipitation intensity is, and above the altitude of 1300 meters, vice versa.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.