北运河杨洼闸下至土门楼闸河段综合治理规划的研究

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1、AbstractTheBeiYtmRiverisoneofthefourbigriversinthenorthofHaiheRiversystem．themaincurrentofTheBeiYunRiveriSTheBeiYunRiversystemmainlineoffloodpreventionandstormdrainage，isapartofwell-knownBeijing—HangzhouGrandCanal．Inhistory,thefloodanddroughtdisasteroccurfrequently．SincethefoundingofChina．th

2、egovemmenthasmanagedTheBeiYunRiverinaccordancewiththe20．yearfloodstandard．TheBeiYunRiverplaysallimportantroleinfloodcontrolandwaterloggingprevention．Butafteryearsofusing，fiversedimentation，dikelackingrepair,combinedwithinadequateinvestment,declineinfloodcarryingcapacity,resultedintheriverles

3、sthantheoriginaldesignstandards．Withthecontinuousdevelopmentofeconomicandsocial，thesecurityoffloodcontrolisgeeinghigher,especiallyintheurbanizedregionofBeijingcontinuestoexpandanddisplacementincreaseContinuouslyinfloodperiod．Itrequiresallcorrespondingincreaseinthelowerfiver’Sflpodcarryingcap

4、acity．Duetocontinuousdroughtinrecentyears．obviouscontradictionbetweenWatersupplyanddemand,reductionofwaterresourcesandseriouswaterpollution．theriverecologicalenvironmenthasbeendamaged．InadditiontOthedisorderdevelopmentandmanagementissuesfortheupstreamanddownstream，thereisanurgentneedfordrawi

5、ngupthecomprehensivemanagement．planningofTheBeiYunRivenTheMaincontentofTheBeiYunRiver’Scomprehensivemanagementplanningis：First．putforwardfloodcontrolprojectsplanaccordingtoTheBeiYunRiver’SLowstandardoffloodpreventionfromunderYang肠SluicetoTuMenLouSluiceabout14．5kilometers．apartoforiginalemban

6、kmentisunreasonable，somevillagesinriverbeachwithouttheprotective，theagedwithoutrepairingoffloodcontrolprojectsaswellasfloodcontrolprojectsputforwardplanningmeasures．Second，putforwardecologicalrestorationplanbasingonthedeteriorationoftheecologicalenvironmentfromunderYangWaSluicetoTuMenLouSlui

7、ceinactual．T】1ird．putforwardtheplanofrationaldevelopment。allocationandutilizationofwaterresources，accordingtotheactualsituationofTheBeiYunRiver’SwatershortagesandBeijing，Tianjin，Hebeidisorderlydevelopmentofwaterresources．Fourth,putforwardthewaterpo