摘要
使用RMA2和RMA4模型对大沙河水库水文水质状况进行模拟,对模型主要参数进行了率定。模拟结果表明,当Peclet取15,糙率取0.045,COD降解系数为0.0055时,运行RMA2、RMA4模型运算得到的COD浓度分布与实测结果基本吻合;模拟了入库支流富食河发生环境污染事件导致COD浓度激增时对取水口水质的影响,模拟结果可为大沙河水库水质预警提供科学依据。
This thesis simulated hydrology status and water quality state of Dashahe Reservoir with RMA2 and RMA4 models and estimated the value of main parameters of models. Simulation results showed that the concentration distribution of COD were basically consistent with the measured results by running the RMA2 and RMA4 models with P was 15, roughness was 0.045 and K was 0.0025. This thesis also simulated the influence of the increasing drastically concentration of COD to water quality of the water intake when the environmental pollution incidents happened in Fushi river, which provided scientific evidences for water quality forewarning in Dashahe reservoir.
出处
《广州环境科学》
2016年第1期31-35,共5页
Guangzhou Environmental Science
