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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