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基于SWMM评估公园区域海绵城市建设效果 被引量:1

Evaluation of the Effect of Sponge City Construction in Park Area Based on SWMM
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摘要 小型公共绿地在城市中分布范围较广,数量众多,是海绵城市建设的重要载体之一,其生态效益显著。以鹤壁市某公园为例,基于SWMM构建区域概化模型,对比分析了传统开发模式及布设雨水花园、植草沟和下凹式绿地3种LID组合设施方案下,研究区域不同重现期的水文、水质变化情况,结果表明:应用LID组合设施,可有效减小研究区的径流系数、洪峰流量和非点源污染物负荷,且降雨重现期越小,其效果越明显。 Small-scale public green space is widely distributed in the city and has a large number.It is one of the important carriers of sponge city construction,and its ecological benefits are significant.Taking a park in Hebi City as an example,a regional generalization model was constructed based on SWMM,and the hydrology and water quality changes of the study area in different recurrence periods under the traditional development model and the arrangement of rain gardens,grass ditch and recessed green space 3 LID combination facilities were compared and analyzed.The results show that the application of LID combined facilities can effectively reduce the runoff coefficient,peak discharge and non-point source pollutant load in the study area,and the smaller the rainfall return period,the more obvious the effect.
作者 薛宗煜 冯振林 刘艳磊 XUE Zong-yu;FENG Zhen-lin;LIU Yan-lei(CRSC Innovation Investment Co.,Ltd.,Beijing 100071,China;Shijiazhuang Tiedao University,Shijiazhuang 050043,China)
出处 《价值工程》 2021年第5期210-212,共3页 Value Engineering
关键词 海绵城市 SWMM模型 低影响开发 sponge city SWMM model low-impact development
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