Page 26 - 2022年第53卷第7期
P. 26

Theoreticalframeworkandapplicationofurbanrainstorm flood
                                               controlinhigh - densitycities

                                                                  1
                                                                                 1
                                      1
                                                    2,3
                         CHENWenlong,XUZongxue ,ZHANGYin,SONGLixiang,YANGFang                 1,4
                                    (1.PearlRiverHydraulicResearchInstitute,Guangzhou 510611,China;
                                  2.CollegeofWaterSciences,BeijingNormalUniversity,Beijing 100875,China;
                         3.BeijingKeyLaboratoryofUrbanHydrologicalCycleandSpongeCityTechnology,Beijing 100875,China;
                                   4.SchoolofCivilEngineering,TsinghuaUniversity,Beijing 100084,China)
                  Abstract:Contradictionbetweenhighstandardofurbanrainstormfloodpreventionandintensivelandusesinhigh -
                  densitycitiesissignificant.Thecharacteristicsandlimitationsoftraditionalfloodcontrolmodewereanalyzed,and
                  anewtheoreticalframeworkofurbanrainstormfloodpreventioninhigh - densitycitieswasproposed.Theframework
                  includesthreelevels :objectives,connotationandmethodology.Becauseitisdifficultforthetraditionalfloodman
                  agementmodetosignificantlyimprovetheurbanrainstormfloodpreventionstandard,authorsinthisstudyproposed
                  anewsolutioninthistheoreticalframework.TheShenzhenRiverbasininShenzhenCitywasselectedasthestudy
                  area ,andthecasestudywascarriedoutinthispaper.Theresultsshowedthattheplanninganddesignofurban
                  rainstormfloodpreventionprojectsbyusingthisframeworkcannotonlymeettheeconomicandrestrictiveprinciples
                  inhigh - densityurbanizationarea,butalsoachievethejointpreventionofurbanrainstormflood,andsatisfytheo
                  verallstandard.Thepracticethatthistheoreticalframeworkcanprovideanewtheoreticalbasisforurbanrainstorm
                  floodpreventioninChina.
                  Keywords:high - densitycity;urbanrainstormflood;resilience;jointcontroloffloodandwaterlogging;Shenz
                  henRiver


                                                                                    (责任编辑:耿庆斋)




              (上接第 768页)
                           Evolutioncharacteristicsoffloodriskunderchangingenvironmentand
                                         strategyofurbanresilienceimprovement

                                CHENGXiaotao,LIUChangjun,LIChangzhi,YUQian,LINa
                                (ChinaInstituteofWaterResourcesandHydropowerResearch,Beijing 100038,China)

                  Abstract:Inthecontextofglobalclimatewarmingandrapidurbanization,thepossibilityanduncertaintyofex
                  tremerainstormfloodingareincreasing,whiletheobjectsthreatenbyfloods,disaster - causingmechanism,dis
                  astermode ,losscompositionandriskcharacteristicsarechangingsignificantly.Basedonthefieldinvestigation
                  andanalysisoftypicalcasesofthe “7.20”extremerainstormflooddisasterinZhengzhouinJuly2021,thispaper
                  expoundstheevolutionmechanismandtrendofthelinkage ,mutationandtransmissibilityoffloodriskincurrent
                  society,andcombinedwiththeconceptandpracticeofinternationalcommunityco - existingwithwateranden
                  hancingresilience ,theflooddisasterpreventionandcontrolstrategysuitableforthebasicnationalconditionsof
                  theneweraunderthechangingenvironmentisdiscussed.Theresultsshowthattodealwithextremerainstormand
                  flooddisastersintheprocessofrapidurbanization ,itisnecessarytomakeoverallplanningofcomprehensivewa
                  tercontrolbasedonwatershed.Onlybybuildingacitythatisnotafraidoffloodingcanweachievethegoalofhar
                  monybetweenmanandwater.Intherealityofunbalancedandinadequatedevelopment ,theimprovementand
                  perfectionofflooddisasterriskmanagementandemergencymanagementsystem andoperationmechanism isnot
                  onlytoensuresafety,butalsotoescorttherapidandstableeconomicandsocialdevelopmentinthenewera.
                  Keywords:changingenvironment;extremerainstorm;floodrisk;disastermanagement;resiliencecity


                                                                                    (责任编辑:耿庆斋)


                —  7 7  —
                     8
   21   22   23   24   25   26   27   28   29   30   31