随着社会经济发展及人口的增加, 第二松花江丰满以上流域相继修建了大量水利工程( 水库、闸坝、堤防、蓄滞 洪区等) , 大大改变了水流的自然状态, 对洪水洪量及过程产生了显著影响。根据水利工程统计资料分析水利工程 对洪水的影响规律, 将其应用于历史洪水模拟中去, 洪水模拟合格率由57%提高到86%。采用T OPM ODEL 模型 建立水利工程运行影响下的洪水重现方法, 并将丰满五道沟以上流域历史典型暴雨洪水在当前水利工程条件下重 现, 对比分析了历史暴雨洪水发生到现在的过程与当年实测过程的变化。研究结果对当前流域防洪有一定借鉴 意义。

With the r apidly economic dev elopment and incr easing o f po pulat ion, a larg e number o f hy dr aulic pr ojects, such as res2 er voirs, levees, floo d sto rage, and flood detentio n, wer e built in the upstream of Fengman Reservo ir o f t he seco nd So ng hua River Basin, w hich changed the natural water flow and had sig nificant impacts on the flo od discharg e and pro cess. In this paper, based on the measured hy dr aulic engineer ing data, the impacts of water conservancy eng ineering on t he flo od w ere analyzed and ap2 plied to simulate histo rical floo d. The r esults show ed that t he qualificatio n r ate o f floo d simulation incr eases from 57% to 86%. The floo d r ecur rence method under the influence o f w ater conserv ancy eng ineer ing operat ion was dev eloped using the TOP2 MODEL model. U nder the condition of curr ent w ater conservancy engineering , t his method was used to simulate the recur rence of histo rical floo d in the upstr eam o f Wudaog ou in the Fengman Reservo ir , w hich showed the compariso n between the histor ical floo d pr ocess and measured pr ocess. The research results can pr ovide r eference fo r the flo od co nt rol in the riv er basin.

重大国际( 地区) 合作研究项目( 51320105010) ; 国家自然科学基金项目( 51379027; 51109025)