基于swmm武汉某小区低影响开发设计与模拟评估-(5636)

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1、华中科技大学硕士学位论文respectively,39.5%,34.5%,32.6%,31.2%respectively,thetotalloadrunoffCODreductionefficiencyofLIDmeasuresis43.4%、40.6%、35.1%、38.9%、40.7%respectively,thetotalloadrunoffTNreductionefficiencyofLIDmeasuresis45.6%、43.4%、38.9%、36%、32.2%、29.2%、26.9%respective

2、ly,hetotalloadrunoffTPreductionefficiencyofLIDmeasuresis47%、45.5%、40.7%、38.2%、35.1%、31.6%、26.6%respectively.Itcanbeseenthat:LIDmeasureshavegoodeffectsontheremovalofSS,COD,TN,TP,differentpollutantshavefifferentremovaleffects,buttheconcentrationcurveofvariouspoll

3、utantsshowedacertainsimilarity.Withtheincreasingofrainfallreappearingperiod,removeabsolutevalueoffourkindsofpollutantloadbyLIDmeasuresincreased,buttheremovalratiodecreasedwithincreasingofreturnperiod.Keywords:LowImpactDevelopmentSWMMmodelRainwaterpipenetworksto

4、rmwaterrunoffrunoffpollutionIII华中科技大学硕士学位论文目录摘要...............................................................................................................IAbstract..............................................................................................

5、.............II1绪论1.1研究背景...............................................................................................(1)1.2雨水生态收集利用及模型研究现状..................................................(3)1.3主要研究内容..........................................................

6、............................(9)2五里界示范小区雨水管网与LID设计2.1小区基本资料....................................................................................(10)2.2小区雨水管网设计............................................................................(10)2.3LID措施介绍及比选...........

7、..............................................................(12)2.4示范区雨水生态收集利用措施设置................................................(16)3SWMM模型原理3.1SWMM模型概述..............................................................................(25)3.2地表径流过程模拟............

8、................................................................(26)3.3地表污染物模拟................................................................................(32)3.4模型适用性分析.