Page 124 - 《水资源与水工程学报》2022年第6期
P. 124

! 33 " ! 6 #                      & ' ( ) & * + , -                               Vol.33No.6
               2022 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2022

            DOI:10.11705/j.issn.1672-643X.2022.06.15


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                 KLDMN:TV122 .1   OPQRS:A    OTUN:1672643X(2022)06012009
             FloodriskassessmentofregionsatdifferenturbanizationlevelsinNanjingCity

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                        GAOYuqin,XUJiaying,YUANChenyu,LIKai,ZHOUXin,QIUYaliu                     4
             (1.CollegeofWaterConservancyandHydropowerEngineering,HohaiUniversity,Nanjing210098,China;2.SuqianWaterResources
                  Bureau,Suqian223800,China;3.PowerChinaHuadongEngineeringCorporationLimited,Hangzhou311122,China;
                            4.NanjingGaochunDistrictWaterResourcesManagementCenter,Nanjing211399,China)
                 Abstract:Inrecentyears,thephenomenaof“seeingtheseaincities”and“seeingtheriverincities”
                 haveoccurredfromtimetotime,whichhavearousedwidespreadconcernamongexpertsandscholars.In
                 ordertostudytheinteractionbetweenurbanizationlevelandfloodrisk ,weusedArcGIStechnologyand
                 thecomprehensiveevaluationmethodtoevaluatethefloodriskinsomeadministrativedistrictsofNanjing
                 Cityatdifferenturbanizationlevels ,takingintoaccountthefactorsofdisastercausingfactors,disaster
                 breedingenvironment ,disasterbearingbodyandfloodmitigationcapacity.Theresultsshowthatwiththe
                 increaseofurbanizationlevel ,theoverallfloodriskinthestudyareashowsanincreasingtrend,andthe
                 floodriskofthedistrictsisbasicallypositivelycorrelatedwiththeurbanizationlevel,amongwhichQin
                 huaiandGuloudistrictareatthehighestrisklevel,followedbyJianyeandYuhuataidistrict,whereas
                 JiangningandLishuidistricthavebeenmaintainingalowrisklevel.Theresearchresultscancorrectlyre
                 flecttheactualdistributionoffloodriskinNanjing ,indicatingthevalidityoftheresearchmethodandthe
                 reliabilityoftheresearchresults.Therefore,itcanprovideatheoreticalsupportforfloodriskmanage
                 mentofrelevantgovernmentdepartments.
                 Keywords:urbanizationlevels;regionalfloodrisk;riskevaluation;NanjingCity

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