Page 27 - 《水资源与水工程学报》2024年第6期
P. 27
!35 "!6 # & ' ( ) & * + , - Vol.35No.6
2024 $ 12 % JournalofWaterResources&WaterEngineering Dec.,2024
DOI:10.11705/j.issn.1672-643X.2024.06.03
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3IJKL:TU992 MNOPQ:A MRSL:1672643X(2024)06002310
Floodevolutionsimulationandimpactanalysisofurbanwaterlogging:
AcasestudyofacitydistrictinJiangxiProvince
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ZHANGChuang,HUANGHe,JIANGShuihua,CHANGZhilu ,LIYuwei,ZHANGJianhua
(1.SchoolofInfrastructureEngineering,NanchangUniversity,Nanchang330031,China;2.ChinaRailwayWater
Conservancy&HydropowerPlanningandDesignGroupCo. ,Ltd.,Nanchang330029,China;
3.SchoolofResources&Environment,NanchangUniversity,Nanchang330031,China)
Abstract:Inrecentyears,extremeheavyrainfalleventsoccurredfrequently,andurbanwaterlogging
disastersbecameincreasinglysevere ,whichhaveseriouslythreatenedthelivesandpropertyofurbanresi
dents,resultinginsignificantsocialandeconomiclosses.Accuratemodelingofurbanwaterloggingevolu
tionunderextremerainfallsituationsisthepremiseofassessingandcontrollingthewaterloggingdisaster
risk;however,accuratelysimulatingtheprogressionoffloodwaterfacescertainchallenges.Tothisend,
adistrictinacityofJiangxiProvinceisselectedasthecasestudy,andthecouplingmodelofMIKEUR
BANandMIKE21isconstructedatMIKEFLOODplatformfortheanalysis.Withthiscouplingmodel ,
theevolutionprocessesofurbanwaterloggingunderatypicalhistoricalrainfalleventandextremerainfall
scenarios (10aand20a)inthestudyareaaresimulatedrespectively.Then,thevariationsofdrainage
capacityofpipenetwork ,maximuminundationdepthandwaterdepthatvulnerablewaterloggingpoints
areanalyzed ,andtheeffectivenessoftheproposedmodelisverifiedbyfieldwaterloggingdata.There
sultsshowthatMIKEFLOODplatformcansimulatetheurbanwaterloggingevolutionwithhighefficiency
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