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城市积涝暴雨雨型设计结果的检验方法初探

Verification of Designed Urban Rainstorm Patterns for Pluvial Flooding

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【作者】 廖代强王颖张纲莉杨宝钢骆方

【Author】 LIAO Daiqiang;WANG Ying;ZHANG Gangli;YANG Baogang;LUO Fang;Chongqing Climate Centre;Bishan District Meteorological Service;Chongqing Meteorological Information and Technology Support Centre;

【机构】 重庆市气候中心重庆市璧山区气象局重庆市气象信息与技术保障中心

【摘要】 为解决暴雨雨型设计对城市积涝的影响,本文提出了一种检验暴雨雨型设计结果是否合理的方法,利用2017—2021年重庆市设计暴雨雨型的适用范围1区(13个区县国家站)降水资料,对Pilgrim&Cordery、芝加哥、NRMR和同频率4种雨型方法的设计结果进行检验。结果表明:该检验方法在重庆地区的准确率达到84.9%,具有一定应用价值;NRMR和同频率法设计的雨型更为适合重庆;重庆城市积水与暴雨雨量、雨型的关系均不大,但积水前期的雨量、平均雨强和最大雨强均对积水影响较大。

【Abstract】 To assess the impact of designed storm patterns on urban pluvial flooding, a verification method was proposed for evaluating the rationality. Using precipitation data(2017—2021) from 13 national stations in Zone 1(the designated applicable area for storm patterns in Chongqing), four design methods including Pilgrim & Cordery, Chicago, NRMR, and same-frequency analysis were evaluated.The results indicate that the proposed verification method achieved an accuracy of 84.9% in Chongqing, demonstrating its practical value.Storm patterns generated by the NRMR and same-frequency analysis methods are more suitable for the region. Urban waterlogging in Chongqing shows limited correlation with total storm rainfall or storm pattern type, however, pre-waterlogging rainfall, average rainfall intensity, and maximum rainfall intensity are significant influencing factors.

【基金】 重庆市自然科学基金项目(CSTB2025NSCQ-QXLHJJMSX0008);重庆市气象局业务技术攻关项目(YWJSGG-202512)
  • 【文献出处】 高原山地气象研究 ,Plateau and Mountain Meteorology Research , 编辑部邮箱 ,2025年04期
  • 【分类号】TU992
  • 【下载频次】8
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