Page 101 - 2022年第53卷第7期
P. 101
[16] NEALJC,BATESPD,FEWTRELLTJ,etal.DistributedwholecitywaterlevelmeasurementsfromtheCarlisle
2005urbanfloodeventandcomparisonwithhydraulicmodelsimulations [J].JournalofHydrology,2009,368
(1):42 - 55.
[17] 车伍,张伟,李俊奇.城市初期雨水和初期冲刷问题剖析[J].中国给水排水,2011,27(14):9 - 14.
[18] GONGYW,LIXN,ZHAIDD,etal.Influenceofrainfall,modelparametersandroutingmethodsonstormwa
termodelling[J].WaterResourcesManagement,2018,32(2):735 - 750.
[19] 覃建明,陈洋波,董礼明,等.广州中心城区内涝观测实践[J].中国防汛抗旱,2017,27(6):34 - 37,46.
[20] 向晨瑶,刘家宏,王浩,等.城 市 水 文 单 元 雨 洪 监 测 与 模 拟 研 究———以 清 华 大 学 校 园 为 例 [J].水 文,
2017,37(4):12 - 17.
[21] 申红彬,徐宗 学,李 灵 军,等.城 市 屋 顶 降 雨 径 流 过 程 单 位 线 模 型 研 究 [J].水 利 学 报,2021,52(3):
333 - 340 + 348.
[22] 宋利祥,徐宗学.城市 暴 雨 内 涝 水 文 水 动 力 耦 合 模 型 研 究 进 展 [J].北 京 师 范 大 学 学 报 (自 然 科 学 版),
2019,55(5):581 - 587.
[23] 徐宗学,陈浩,任梅芳,等.中国 城 市 洪 涝 致 灾 机 理 与 风 险 评 估 研 究 进 展 [J].水 科 学 进 展,2020,31
(5):713 - 724.
[24] 张建云,宋晓猛,王国庆,等.变化环境下城市水文学的发展与挑战———I.城市水文效应[J].水科学进
展,2014,25(4):594 - 605.
[25] 王浩,梅超,刘家宏.海绵城市系统构建模式[J].水利学报,2017,48(9):1009 - 1014,1022.
Monitoringandcharacterizationoftheentireurbanfloodingprocessin
thetypicalsouthernplainrivernetworkarea
1,2
1,2
1,2
LIXiaoning 1,2,3 ,YUYue ,WANGChuanhai ,ZHENGShiwei ,
1,2
3
LILingjie,CHENGang
(1.CollegeofHydrologyandWaterResources,HohaiUniversity,Nanjing 210098,China;
2.StateKeyLaboratoryofHydrology,WaterResourcesandHydraulicEngineering,HohaiUniversity,Nanjing 210098,China;
3.KeyLaboratoryofFlood&DroughtDisasterDefense,theMinistryofWaterResources,
NanjingHydraulicResearchInstitute,Nanjing 210029,China)
Abstract:Inthesouthernplainrivernetworkarea,therearehighlyurbanizedpolderareasformedbydikes,
gates,andpumpingstations,butthecharacteristicsandsimulationmethodsofurbanfloodinundationinpolderar
easaffectedbyrainfallprocessesandpumpingstationshaveyettobeinvestigated.Inthispaper ,theentireprocess
oflong - termmonitoringofrainfall,pipeandriverwaterlevelandflowwerecarriedoutattheexperimentalfieldof
urbanrunoffandfloodinChangzhou.Additionally ,thedepthandextentofurbanfloodinundationaremonitored
automaticallybydeployingwaterlevelmetersandvideomonitoringequipment.Themonitoringdataindicatesthat
thefluidityofthepipeandriverinthepolderareaisverypoor ,thepipeissubmergedforanextendedperiodof
time ,andthepipe’swaterdepthisgreaterthan0.76mwith75% ofthetimeduringthemonitoringperiod.Urban
floodinundationstilloccurswhenmanholesdonotoverflowandarenotsurcharged;itisconcentratedinlow - lying
areasoftheroad ,anditsdepthandscopeareprimarilyinfluencedbyprecipitation,terrain,grateinlet,and
pumpingstation.Theopeningofthepumpingstationincreasesthedrainagecapacityofthepipeandmitigatesurban
floodingtosomedegree.Consequently,basedontherainfallforecastandreal - timemonitoringdataoftheriver,
pipenetwork,andwaterlogging,timelyregulationofthewaterlevelinthepolderareacaneffectivelyalleviate
floodinundation.Neithertheimpactofgrateinletcollectioncapacitynorpumpingstationshouldbeoverlookedin
thefloodinundationsimulation.Thestudycanserveasaguideforconstructinganonlinemonitoringplatformforthe
entireurbanfloodingprocess ,aswellasabasisfortheurbanfloodinundationprocessgeneralization.
Keywords:urbanfloodinundation;mechanismsanalysis;entire - processmonitoring;fieldexperiment
(责任编辑:于福亮)
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