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Probability Distribution of Summer Daily Precipitation in the Huaihe Basin of China Based on Gamma Distribution |
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| Authors: | Li Liang Linna Zhao Yuanfa Gong Fuyou Tian Zhi Wang |
| Institution: | 1. Public Meteorological Service Center, China Meteorological Administration, Beijing 100081;National Meteorological Center, China Meteorological Administration, Beijing 100081 2. Chengdu University of Information Technology,Chengdu,610225 3. National Meteorological Center, China Meteorological Administration, Beijing 100081 |
| Abstract: | The probability distribution of precipitation in the Huaihe basin (HB) is analyzed with the shape and scale parameters of a Gamma distribution. The summer daily precipitation records of 158 meteorological raingauges are applied over the HB during the period of 1980–2007, and the precipitation samples are classified into unconditional rainy days and conditional rainy days which have a dry or wet preceding day over the years. The Kolmogorov-Smirnov (K-S) test and the comparison between the Gamma distribution probability density function and the sample frequency of daily precipitation records of five representative stations are conducted and analyzed. |
| Keywords: | daily precipitation wet/dry preceding day Gamma distribution probability distribution Huaihe basin |
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