重庆市微型流域设计洪水计算方法
Design Flood Calculation Method of Micro-Watershed in Chongqing
DOI: 10.12677/JWRR.2020.96072, PDF,   
作者: 徐 洁, 凌 旋：长江水利委员会水文局长江上游水文水资源勘测局，重庆
关键词: 微型流域；设计洪水；洪水分区；Micro-Watershed； Design Flood； Flood Division
摘要: 以2013~2017年重庆地区山洪灾害调查评价成果大数据为分析背景，提出了重庆市微型流域概念与无资料地区设计洪水计算方法；综合叠加各要素图层，经聚类分析、碎片整合确定了重庆地区微型流域设计洪水的六个分区；通过该计算方法进行分区设计洪水计算、修正，并利用洪水调查资料进行验证，形成了一套完整的覆盖重庆市微型流域“六分区五频率”设计洪水查算图集和经验公式；弥补了重庆市微型流域缺乏水文资料的现状，补全和细化了重庆地区流域设计洪水成果。
Abstract: Based on the survey and evaluation results of torrential flood calamity in Chongqing from 2013 to 2017, the concept of micro-watershed in Chongqing and the calculation method of design flood for areas without hydrological data are proposed. By comprehensively overlaying each element layer, clustering the categories and integrating the fragments, six divisions of design flood for micro-watersheds in Chongqing are confirmed. A complete set of atlas and empirical formulas for the design flood calculation of the “six divisions and five frequencies of flood” covering the entire micro-watersheds of Chongqing is formed by carrying out the design flood calculation and correction and the flood survey data is used to verify the calculation results, which can be used in the ungauged micro-watersheds and completes and subdivides the results of the design flood in Chongqing areas.
文章引用：徐洁, 凌旋. 重庆市微型流域设计洪水计算方法[J]. 水资源研究, 2020, 9(6): 664-670. https://doi.org/10.12677/JWRR.2020.96072

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