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王宝山, 赵峰德, 温成成, 黄廷林.城市区域降雨径流季节性初期冲刷效应研究水资源与水工程学报[J].,2019,30(2):1-5
城市区域降雨径流季节性初期冲刷效应研究
Study on seasonal first flush effect of rainfall runoff in Urban Regions
  
DOI:10.11705/j.issn.1672-643X.2019.02.01
中文关键词:  季节性初期冲刷  降雨径流  面源污染  海绵城市
英文关键词:seasonal first flush  rainwater runoff  non-point source pollution  sponge city
基金项目:国家自然科学基金项目(51368029); 甘肃省重点研发计划项目(17YF1FA114)
作者单位
王宝山1, 赵峰德1, 温成成1, 黄廷林2 (1.兰州交通大学 环境与市政工程学院 甘肃 兰州 730070 2.西安建筑科技大学 环境与市政工程学院 陕西 西安 710055) 
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中文摘要:
      探究降雨径流的季节性初期冲刷现象对城市水环境治理和水污染防治具有重要意义。以无量纲化后的雨水径流污染物输送量与有效降雨量为基础,通过建立径流污染物的季节性初期冲刷效应定量评价模型,对建筑屋顶和校园区域雨水径流季节性初期冲刷现象进行了研究。结果表明:建筑屋顶和校园区域年雨水径流水质具有相似的变化规律,径流污染物浓度总体上呈现出雨季始末两期高于中期的现象;研究区域中呈现了不同的冲刷性质,SS和TN显示出较强的季节性初期冲刷效应,以春季控制为主,而COD和TP的季节性初期冲刷效应较弱,以春季和深秋双季控制为主。
英文摘要:
      It is of great significance to explore the seasonal first flush phenomenon of rainfall runoff for urban water environment management and water pollution control. Based on the dimensionless handled rainwater runoff pollutants and effective rainfall,the mathematical model for quantitative evaluation the seasonal first flush effect of rainwater runoff pollutants was established. The established mathematical model was applied to investigate the seasonal first flush effect on building roof and on campus. Results showed that the relationship between the average concentration of runoff pollutants and effective rainfall is similar in the building roof and on campus. The concentration of runoff pollutants in the early and late stages of rainy season was higher than that in the middle stages of rainy season. The strength of seasonal first flush was different in the study area, and the seasonal first flush phenomenon was found significantly for SS and TN while the strength of seasonal first flush (SFF) was relatively lower for COD and TP. SS and TN are mainly controlled in spring while COD and TP are mainly controlled in spring and late autumn.
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