成都市2020年8月洪涝灾害调查分析与对策措施研究  

Disaster investigation and countermeasures of August2020 flood in Chengdu City

作　　者：廖暾 杜朝伦 杜庆波 闫宝利 黄强 马建明[2,3] 张洪斌[2,3] 穆杰[2,3] 喻海军[2,3] 吴滨滨[2,3] LIAO Tun;DU Chaolun;DU Qingbo;YAN Baoli;HUANG Qiang;MA Jianming;ZHANG Hongbin;MU Jie;YU Haijun;WU Binbin(Chengdu Water Authority,Chengdu 610042;China Institute of Water Resources and Hydropower Research,Beijing 100038;Research Center on Flood&Drought Disaster Reduction of the Ministry of Water Resources,Beijing100038)

机构地区：[1]成都市水务局,成都610042 [2]中国水利水电科学研究院,北京100038 [3]水利部防洪抗旱减灾工程技术研究中心,北京100038

出　　处：《中国防汛抗旱》2021年第1期26-30,共5页China Flood & Drought Management

基　　金：国家自然科学基金项目(51909272);国家重点研发计划项目(2017YFC1502706)。

摘　　要：成都市河流水系发达,降雨量年内分配不均、年际变化大,江河水量丰枯悬殊,洪涝灾害频繁发生。2020年8月,成都市遭遇了4场持续强降雨过程,引发了严重的洪涝灾害,为历史罕见。为深入了解洪涝灾害成灾特性,提出科学合理的防洪减灾对策措施,对2020年8月成都市雨情、水情、灾情开展了充分调查,总结了成都市的洪水类型,从地形条件和降雨特征方面分析了洪涝灾害形成的客观原因,结合成都市防汛重点和难点,提出了相应的对策措施。The river system in Chengdu is well-developed,and the precipitations have the characteristics of un⁃even distribution during the year and large inter-annual variability.There is a large variation in river runoff be⁃tween flood season and non-flood season in Chengdu,and flood disasters occur frequently.In August 2020,Chengdu suffered four continuous heavy rainfalls causing severe floods,which are rare in history.In order to fur⁃ther understand the characteristics of flood disasters,and put forward scientific and reasonable flood prevention and disaster reduction measures,this article investigates the rainfall conditions,hydraulic conditions of river,and disaster characteristics in Chengdu in August 2020,and summarizes the types of floods.It also analyzes the causes of flood and waterlogging disasters from the topographical conditions and rainfall characteristics,combines the key points and bottlenecks of flood prevention in Chengdu,and put forward countermeasures.

关 键 词：洪涝灾害 调查分析 韧性城市 成都市 

分 类 号：P426.616[天文地球—大气科学及气象学]