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Analysis of climatic characteristics of thunderstorm in Nanchong during past 37 years
Author(s): 
Pages: 398-401
Year: Issue:  4
Journal: Journal of Chengdu University Of Information Technology

Keyword:  雷暴日数雷暴初终日保证率气候特征;
Abstract: 利用南充市7个站点1971-2007年的雷暴观测资料,通过数理统计分析和初终日期的保汪率计算,分析了南充市雷暴的气候变化特征.结果显示:近37年南充市雷暴日数总体呈减少的趋势,每10年雷暴日数减少约3.5天,但全市年雷暴日数仍较多,年平均为31.9天,除1月无雷暴发生外,其余11个月均有雷暴发生,4-9月雷暴日数占全年的93.8%,其中7-8月占53.1%,属于强雷季节.在80%的保证率条件下,初...
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