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The Spatial and Temporal Distribution Characteristics of Rainstorm Disaster in Sichuan Province over the Past Decade

机译:过去十年四川省暴雨灾害的空间和时间分布特征

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The spatial and temporal distribution characteristics of rainstorm disaster in Sichuan Province were investigated by statistical analysis method based on 2002-2015 rainstorm disaster data of Sichuan Province. As shown by the results, the rainstorm disaster in Sichuan Province was distributed mainly in four regions including Liangshan Prefecture and Sichuan Basin during 2002-2015, and the rainstorm disaster distribution had a good corresponding relationship with the rainstorm center regions; in terms of annual variation trend, the variation of rainstorm disaster frequency showed a significant quasi-2-3-year oscillation period; in terms of monthly distribution, June, July and August saw the heaviest rainstorms; the high death toll from rainstorms was attributed to not only routine rainfall, occurrence time and terrain feature, but also the populace’s awareness of disaster prevention and the disaster prevention measures they adopted. The research result has important significance to improve the pertinence and practicability of decision-making meteorological services.
机译:四川省统计分析方法研究了四川省暴雨灾害的空间和时间分布特征。四川省省2002 - 2015年暴雨灾害数据。如结果所示,四川省的暴雨灾难主要分布在2002 - 2015年凉山县和四川盆地在内的四个地区,而暴雨灾害分布与暴雨中心地区有良好的相应关系;在年度变异趋势方面,暴雨灾难频率的变化显示出大量的准2-3岁振荡期;在每月分布的方面,六月,7月和8月看到了最重的暴雨;暴雨的高死亡人数归因于常规降雨,发生时间和地形特征,也归因于民众的灾难预防意识和他们采用的防灾措施。研究结果具有改善决策气象服务的隐特和实用性具有重要意义。

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