风浪扰动条件下沉水植物对水流结构及底泥再悬浮的影响

1009-6094201402-0107-05*王超，张微敏，王沛芳，雷阳，郑莎莎210098。ADVSPM。8.78m/s、5.95m/s、3.21m/s10cm。、、0.7cm/s、1.5cm/s、2.1cm/s1.7cm/s9.35cm/s4.5。90%6.3～13.3mg/L。X173ADOI*[e-mail]。“973”2010CB429006“”2012ZX07101-0080、、1。2。3－4、Y5、6－7。8－910－11。1213－14。15。Helmi¨o16、。17、1819。Horppila20Hiidenvesi。21。、。。、。11.122。、1。1.62m0.7m0.205m2。312cm、20cm、40cm。。1.220137231°24.895N120°02.573E。23。。。、30cm3。310cm40cm1∶4。72h。1Fig．1Physicalmapofannularflumedevice70114220144JournalofSafetyandEnvironmentVol．14No．2Apr．201410.13637/j.issn.1009-6094.2014.02.0243.21m/s、5.95m/s、8.78m/s、、。0、0.5h、1h、2h、3h、5h、8h2cm、10cm30cm500mLSPM。。12h、1cm。ρM=203/m23dSPM。C1、C2、C3C4、C5、C66。Mastersize2000SPMGB/T11901—1989、2410MHzSonTekADVAcoustic2Fig．2Platformofannularflumeandwatersamplingsitecm3Fig．3VallisnerianatansDopplerVelocimeterSONTEKT、pHOＲPFJA-5。1。1.3。ADVWinADV。Excel2007Origin8.5。22.1。34。25。14.94m/s7.38m/s7.56cm/s6cm/s10.62cm/s4.62cm/s32.72cm/s4cm/s。10cm。、、H＜30cm1.24cm/s、0.33cm/s0.34cm/s30cm＜H＜40cm6.78cm/s、4.62cm/s3.43cm/s5.5、14、10。26－27。。。。Temple2812。Gourlay290.053。TemplehvH/hv＜1H/hv＞1。1Table1PhysicochemicalcharacteristicsofexperimentalsedimentT/℃pHOＲP/mV/%/%/%/%/%39.77.25353.763.36.61083.46.6801Vol．14No．21424、、hv29cm、28cm、26cm。H/hv＜10.7cm/sH/hv＞11.03m/s4.15m/sH/hv＜11.5m/sH/hv＞11.70m/s9.35m/s2.1m/s2.20m/s11.15m/s。。2.24Fig．4FlowstructuresatdifferentwindactionsSPM。SPM。5SPM。SPM。1h4.5mg/L656mg/L1448h1h55%。SPM1h215.33mg/L8h280.67mg/L30%1h29.67mg/L8h13.67mg/L。。5SPMFig．5ChangeofSPMmassconcentrationwithtimeatdifferentconditions90120144Apr．2014SPMC4SPM3～14.5mg/LC167%、SPM3.5～24.5mg/L3～46.3mg/L95%97%。3065NTU121NTU77NTU。。3SPM0.5～1h8h6.3～13.3mg/L。SPM。8hSPMC3、C2、C1、C6、C5、C4。C3SPM739mg/LC4SPM6.3mg/LC30.8%。。31。“－－”。。。、SPMSPM。3。13。2H/hv＜1H/hv＞1。3SPMSPM97%。。SPM。Ｒeferences1ZHENGXilaiZHANGJunjieCHENLei．Advancesinthestudyofmigrationandtransformationmecha-nismsofendogenousphosphorusviasedimentresuspensionJ．Ad-vanceinWaterScience2013242287-295．2LUOLiancongQINBoqiang．Comparisonbe-tweenwaveeffectsandcurrenteffectsonsedimentresuspensioninlakeTaihuJ．Hydrology20032331-4．3ZHUGuangweiQINBoqiangZHANGLuetal．WaveeffectsonnutrientreleaseofsedimentsfromlakeTaihubyflumeexperimentsJ．JournalofLakeScience200517161-68．4PANGYongZHUANGWeiHANTaoetal．ExperimentandmodelsimulationofsuspendedsolidsinTaihuLakeunderwind-wavedisturbanceJ．EnvironmentalScience20082910274-278．5YOUBenshengWANGTongchengFANChengxinetal．Quantitativesimulativemethodofsedi-mentresuspensioninlakeTaihuJ．JournalofLakeSciences2007195611-617．6ABDELＲHMANMAPAULJFDAVISWＲ．Analysisproce-dureforandapplicationofadeviceforsimulatingsedimententer-tainmentJ．MarineGeology19961293337-350．7TSAICHLICKW．Portabledeviceformeasuringsedimentresuspen-sionJ．JournalofGreatLakesＲesearch1986124314-321．8PUJOLDCOLOMEＲJSEＲＲATetal．EffectofsubmergedaquaticvegetationonturbulenceinducedbyanoscillatinggridJ．ContinentalShelfＲesearch20103091019-1029．9LIEHLIWLIUGHetal．Theeffectofdifferentsubmergedmac-rophytespeciesandbiomassonsedimentresuspensioninashallowfreshwaterlakeJ．AquaticBotany2008882121-126．10STONEBMSHENHT．HydraulicresistanceofflowinchannelswithcylindricalroughnessJ．JournalofHydraulicEngineering20021285500-506．11WANGPFWANGC．HydraulicresistanceofsubmergedvegetationrelatedtoeffectiveheightJ．JournalofHydrodynamics2010222265-273．12ZHANGJiaojiaoYANGPeng．ＲesearchprogressofcontainplantriverproblemJ．WaterSciencesandEngineeringTech-nology2010632-35．13WANGWenyongLIUZhaoweiCHENYongcanetal．VerticalprofileofhorizontalvelocityintheflowwithsubmergedvegetationJ．JournalofSichuanUniversityEngineeringScienceEdition20124412253-357．14SHIZhongLIYanhong．ExperimentstudiesofmeanvelocityprofilesinvegetatedriverflowJ．JournalofShanghaiJiaotongUniversity20033781254-1260．15WANGCunWANGChao．Turbulentcharacteris-ticsinopen-channelflowwithemergentandsubmergedmacrophytesJ．AdvanceinWaterScience2010216816-822．16HELMI¨OT．Unsteady1Dflowmodelofariverwithpartlyvegeta-tedfloodplains-applicationtotheＲhineＲiverJ．Environmental011Vol．14No．2142Modeling＆Software2005203361-375．17CO＇ZAＲAGAＲCI＇ACMGA＇LVEZJA．AnalysisofplanktonsizespectrairregularitiesintwosubtropicalshallowlakesEsterosdelIberáArgentinaJ．CanadianJournalofFisheriesandA-quaticSciences2003604411-420．18LIUCSHENY．Flowstructureandsedimenttransportwithim-pactsofaquaticvegetationJ．JournalofHydrodynamicsSeriesB2008204461-468．19NEPFHMVIVONIEＲ．Flowstructureindepth-limitedvege-tatedflowJ．JournalofGeophysicalＲesearch2000105C1228547-28557．20HOＲPPILAJNUＲMINENL．EffectsofsubmergedmacrophytesonsedimentresuspensionandinternalphosphorusloadinginlakeHiidenvesisouthernFinlandJ．WaterＲesearch200337184468-4474．21LIUChengSHENYongming．3DturbulencemodelfortheflowandsedimenttransportwithaquaticvegetationJ．Ad-vanceinWaterScience2008196851-856．22WANGChaoWANGPeifangHOUJun．MethodsandapparatusforannularflumetosimulatetheeffectofwindofsedimentresuspensionChina200710025671．3P．2008-01-23．23JIANGXiaWANGWenwenWANGShuhangetal．CalculationofenvironmentaldredgingdepthofheavymetalpollutedsedimentinZhushanBayofTaihuLakeJ．EnvironmentalScience20123341189-1197．24YANGXuefenXIONGBangxiYAN