| 本溪县洪涝灾害年发生规律及特点分析 |
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| 引用本文： | 刘明芝,张海军.本溪县洪涝灾害年发生规律及特点分析[J].商界．城乡致富,2011(1):61-62,66. |
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| 作者姓名： | 刘明芝 张海军 |
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| 作者单位： | 辽宁省本溪县气象局,辽宁本溪117100 |
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| 摘 要： | 利用1958～2010年降水资料,对本溪县洪涝灾害年发生的频率和周期进行分析,探讨该县洪涝灾害年发生的特点和规律。结果表明,1958～2010年本溪县总共出现严重洪涝灾害年8次,平均每15年出现1次,主要集中在7、8月,尤以8月最多;本溪县洪涝灾害年发生存在大周期10年和小周期5年的明显规律,基本＂逢5＂、＂逢10＂年发生,各年代发生概率基本趋于0.2%。进入21世纪以后,洪涝灾害年发生频率加大,且有进一步增强趋势。
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| 关 键 词： | 洪涝灾害 发生规律 分析 |
Analysis on Annual Occurrence Regularity and Characteristics of Flood Disaster in Benxi County |
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| Institution: | LIU Ming-zhi et al(Benxi County Meteorology Bureau of Liaoning Province,Benxi,Liaoning 117100) |
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| Abstract: | Using precipitation data from 1958 to 2010,the occurred frequency and cycle of flood disaster years in Benxi county was analysised,its occurrence characteristics and regularity was explored.The results showed：the serious flood disaster years occurred eight times in total from 1958 to 2010 in Benxi County,and it happened every 15 years on average,especially in July and August at most.The flood disaster years occurrence exists large cycle of 10 years and small cycle of 5 years as the apparent pattern,basically occurred on every 5th or 10th year,the occurrence probability is 0.2% approximately each time.The occurrence frequency of flood disaster years has increased with further enhanced trend by the time of entering 21st century. |
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| Keywords: | Flood disaster year Occurrence regularity and characteristics Benxi county |
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