基于信息熵的海南岛降水随机性变化特征
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邹海平, 张京红, 陈小敏, 李伟光, 白蕤, 吕润
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Change characteristics of precipitation randomness in Hainan Island based on information entropy
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ZOU Haiping, ZHANG Jinghong, CHEN Xiaomin, LI Weiguang, BAI Rui, LÜ Run
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表1 海南岛日降水量信息熵与各等级降水日数占比的线性关系
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Tab.1 The linear relations between information entropy of daily precipitation and proportion of precipitation days with each grade to total precipitation days in Hainan Island
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等级 | YIE | SIE | UIE | AIE | WIE | R2 | a | R2 | a | R2 | a | R2 | a | R2 | a | 小雨 | 0.90** | -0.031 | 0.90** | -0.032 | 0.80** | -0.024 | 0.87** | -0.030 | 0.92** | -0.040 | 中雨 | 0.29** | 0.027 | 0.31** | 0.028 | 0.12** | 0.013 | 0.15** | 0.019 | 0.65** | 0.044 | 大雨 | 0.42** | 0.042 | 0.46** | 0.044 | 0.32** | 0.028 | 0.35** | 0.038 | 0.40** | 0.065 | 暴雨 | 0.36** | 0.063 | 0.33** | 0.063 | 0.28** | 0.039 | 0.39** | 0.053 | 0.10** | 0.065 | 大暴雨 | 0.18** | 0.084 | 0.09** | 0.079 | 0.18** | 0.057 | 0.26** | 0.074 | 0.04** | 0.109 | 特大暴雨 | 0.05** | 0.096 | 0.01* | 0.058 | 0.06** | 0.070 | 0.09** | 0.091 | 0.01** | 0.097 | 暴雨及以上等级 | 0.48** | 0.057 | 0.37** | 0.056 | 0.45** | 0.039 | 0.56** | 0.047 | 0.13** | 0.066 |
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