北京市“7·21”特大暴雨对城市水土保持和监测工作的启示

Enlightenment of Torrential Rains on 21st July in Beijing City on Urban Soil and Water Conservation and Monitoring

2012年7月21日,北京市遭遇新中国成立以来最大的暴雨洪涝灾害。从北京"7·21"洪灾的雨洪特点、灾害情况以及水土保持设施受损情况出发,通过对水土保持植物措施对"7·21"暴雨的减灾和生态调控作用,小流域综合治理对暴雨洪水减灾作用的调查和分析,提出了如下建议:加强水土保持常规监测工作和城市水土保持工作,加快建立水土保持生态环境监测预报模型以及加快水土保持监测预警系统等防御措施的建设。

On 21st July in 2012, the most severe disaster resulted from extra torrential rains since 1949 hap- pened in Beijing City. Based on the traits of the floods and rains and the disaster situation, as well as the damage of soil and water conservation facilities, the vegetation measures for both disaster mitigation and eco- logical regulation and the function of watershed management on storms disaster reduction were analyzed. The proposals of strengthening the efforts of regular monitoring on soil and water conservation and accelerating the constructions of defensive measures on monitoring and predicting model, as well as monitoring, and warning system of soil and water conservation were put forward.