基于SWMM的生物滞留池布置水文时空效应
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TU992.0

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国家自然科学基金(41301016);中央高校基本科研业务费项目(2014B16814);长江水利委员会长江科学院开放研究基金(CKWV2015206/KY)


Spatial and temporal hydrological responses of arrangement of bioretention cell based on SWMM
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    摘要:

    利用SWMM中的低影响开发模块,根据汇流时间将研究区的子汇水区划分为上游和下游,生物滞留池按照不同位置(上游和下游)和不同规模布设,研究其遭遇不同重现期降雨下的水文时空效应。结果表明:在低降雨重现期下,生物滞留池的雨洪控制效果较好;相同重现期时,规模较大的生物滞留池效果较好,而布设的越分散,其降低径流系数的效果越好,但削减洪峰的效果较差。

    Abstract:

    With the low impact development module in the SWMM, the sub-catchments of the study area were divided into the upstream sub-catchments and downstream ones according to the concentration time. The bioretention cells were arranged according to different positions(upstream and downstream)and different scales. The hydrological responses under the conditions of different return periods of rainfall were analyzed. The results show that the bioretention cell had more significant effect on the control of rainwater and flood over a low return period of rainfall. With the same return period, larger bioretention cells were more effective, while the bioretention cells that were more dispersely arranged had more significant effect on the runoff coefficient but insignificant effect on the decrease in flood peaks.

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宋奔奔,高成,寇传和,等.基于SWMM的生物滞留池布置水文时空效应[J].水资源保护,2017,33(3):25-30.(SONG Benben, GAO Cheng, KOU Chuanhe, et al. Spatial and temporal hydrological responses of arrangement of bioretention cell based on SWMM[J]. Water Resources Protection,2017,33(3):25-30.(in Chinese))

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  • 收稿日期:2016-09-19
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  • 在线发布日期: 2017-05-11
  • 出版日期: 2017-05-20