Characteristics and Valuation of Thunder Disasters in Yunnan
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Abstract:
According to the lightning data of 2007 to 2008 and lightning disaster data in Yunnan Province, the distribution of lightning disasters in 16 prefecture level cities of Yunnan Province is analyzed, and the relationship between the distributions of lightning disasters and ground flashes is discussed. At the same time, six disaster degree indicators derived from lightning records and the hierarchical disaster assessment and disaster degree evaluation model equation are established. The disaster degree values of 522 lightning disasters are calculated, which can be divided into four degrees according to the cluster analysis in SAS. The distributions of lightning disaster levels for all regions are counted and analyzed. The results indicate that small and medium sized lightning disasters in Yunnan Province have a wide distribution and a large probability, and the occurrence probability of large and extra large lightning disasters is low, which concentrated mainly around Kunming and Dehong.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.