Page 28 - 《水资源与水工程学报》2024年第6期
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                 andreliablepredictionresults.Inthestudyarea,theproportionsofthedrainagecapacityofthedrainage
                 pipenetworkforlessthan10a ,10-20aandmorethan20areturnperiodsare77.3%,2.1% and
                20.6%,respectively.Mostwaterdepthsarelessthan0.15m,andtherearesixvulnerablewaterlogging
                 pointsreachingtheseverelevelwiththemaximumwaterdepthmorethan1m.Thewateraccumulation
                 depthsatthewaterloggingpointsrapidlyincreasetothemaximumdepth ,andthenslowlydecreaseand
                 remainstable.Themaximumwateraccumulationdepthsatvulnerablewaterloggingpointsgraduallyin
                 creasewiththeincreaseofrainfallintensity.Theresearchresultscanprovidereferencesforfloodevolu
                 tionsimulation ,disasterpreventionandspongecityconstructioninothercitiesfacingtheproblemofur
                 banwaterlogging.
                 Keywords:urbanwaterlogging;urbanpipenetwork;drainagecapacityassessment;floodevolutionsim
                 ulation;MIKEFLOOD
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