原型观测法在确定九龙滩水库污染物降解系数

[e-mail]//kkb．hhu．edu．cn342Vol．34No．2AdvancesinScienceandTechnologyofWaterＲesources20143Mar．20141985—。[e-mail]10．3880/j．issn．1006-7647．2014．02．01512341．5106352．5106353．4025604．610065BOD5、CODCr、NH3-N3。。TV697.2A1006-7647201402-0068-03DeterminationofdegradationcoefficientsofpollutantsinJiulongtanＲeserviorusingprototypeobservation//LIUZhongfeng12CAOLingling3FENGJingjie41．GuangdongＲesearchInstituteofWaterＲesourcesandHydropowerGuangzhou510635China2．GuangdongProvincialKeyLaboratoryofHydrodynamicsＲesearchGuangzhou510635China3．WaterAffairBureauofTongliangCountryTongliang402560China4．StateKeyLaboratoryofHydraulicsandMountainＲiverEngineeringSichuanUniversityChengdu610065ChinaAbstractInordertodeterminethedegradationcoefficientsofpollutantsfieldobservationofwaterqualityintheJiulongtanＲeservoirwasconductedduringalowwaterperiodtheconcentrationdistributionsofmainwaterqualityfactorssuchasBOD5CODCrandNH3-NinspecificsectionswereobtainedthroughwaterqualitysamplingandlaboratoryexperimentsandthelongitudinaldegradationcoefficientsofwaterqualityfactorsintheJiulongtanＲeservoirwerecalculatedusingthreecross-sectionalcharacteristicconcentrationvalues．Theresultsshowthatthedegradationcoefficientscalculatedbytheperpendicularbisectorsurfaceconcentrationandsection-averagedconcentrationareclosewhiletheonecalculatedbythesurface-averagedconcentrationpresentsalargerdeviationwhichisconsideredtobetheresultofcombinedinfluenceandinteractionofvariouscomplicatedfactors．Whenprototypeobservationisusedtodeterminethedegradationcoefficientsofpollutantsinreservoirsoflow-damandrun-of-riverhydropowerstationswithoutbranchesorsewageinletsandthereisalargenumberofmonitoringsectionsinordertoimprovetheworkefficiencyitisfeasibletoobtainthedegradationcoefficientsonlyfromthewatersamplesattheperpendicularbisectorsurfaceofcross-sectionsbasedonverificationinadvance．Keywordswaterqualityfactordegradationcoefficientcross-sectionalcharacteristicconcentrationvalueprototypeobservationJiulongtanHydropowerStation、、、。、1。。、。3、。20℃2-3。4·86·[e-mail]//kkb．hhu．edu．cn。、、5。。。16624km2。、。10km11km。58.0m3/s。437m1850m314km2.95km216.2m。。22．1GB3838—2002《》6BOD5、CODCr、NH3-N、TPTN2010120—221。7411。1100m10m、、33、12。22×5=10。。430.075m/s、0.060m/s、0.042m/s0.041m/s。11/km/m/m12.92105.010.415510.04.217513.00.531016.022．27。BOD55DOCODCr3NH3-NTPTN、。318K=uΔxlnCACB1KuΔxCA、CB、。·96·[e-mail]//kkb．hhu．edu．cn、3。NH3-N。a．。2A1NH3-N2。2。30.062/d。2NH3-N/mg·L－1/d－1202122320212230.710.710.910.780.670.700.880.750.1200.0290.0700.0730.540.650.800.660.1260.0430.0560.0750.540.600.770.640.0000.0770.0370.0383NH3-N/mg·L－1/d－1202122320212230.700.800.920.810.630.770.900.770.2180.0790.0460.1140.560.630.790.660.0690.1170.0760.0870.550.590.710.620.0170.0630.1020.0614NH3-N/mg·L－1/d－1202122320212230.700.740.900.780.650.710.880.750.1540.0860.0470.0960.550.610.820.660.0980.0610.0410.0670.540.610.780.640.0180.0460.0480.0375d－1BOD5CODCrNH3-NTPTN0.08250.10270.0620.04140.06190.10810.07850.0870.03240.01150.08250.12210.0670.04300.066575b．。、、32D、A、E1NH3-N330.087/d。c．。1NH3-N430.067/d。2～4NH3-N0.062/d0.067/d0.087/d5。、、、。。2～33。·07·[e-mail]//kkb．hhu．edu．cn248143-151．24STＲUPCZEWSKIWGSINGHVPMITOSEKHT．Non-stationaryapproachtoat-sitefloodfrequencymodellingⅢfloodanalysisofPolishriversJ．JournalofHydrology2001248152-167．25CUNDEＲLIKJMBUＲNDH．Non-stationarypooledfloodfrequencyanalysisJ．JournalofHydrology2003276210-223．26SINGHVPWANGSXZHANGL．FrequencyanalysisofnonidenticallydistributedhydrologicflooddataJ．JournalofHydrology2005307175-195．27ＲENAＲDBGAＲＲETAVLANGM．AnapplicationofBayesiananalysisandMarkovchainMonteCarlomethodstotheestimationofaregionaltrendinannualmaximaJ．WaterＲesourcesＲesearch200642W12422doi10.1029/2005WＲ004591．28NAGESHKDMAITYＲ．BayesiandynamicmodelingfornonstationaryhydroclimatictimeseriesforecastingalongwithuncertaintyquantificationJ．HydrolProcess2008223488-3499．29OUAＲDATBMJEL-ADLOUNIS．BayesiannonstationaryfrequencyanalysisofhydrologicalvariablesJ．JournaloftheAmericanWaterＲesourcesAssociation2011473496-505．30STＲUTHEＲSI．ANDSIVAPALANM．AconceptualinvestigationofprocesscontrolsuponfloodfrequencyroleofthresholdsJ．HydrolEarthSystSci2007111405-1416．31LECLEＲCMOUAＲDAT．Non-stationaryregionalfloodfrequencyanalysisatungaugedsitesJ．JournalofHydrology20073433/4254-265．32VILLAＲINIGSMITHJASEＲINALDIFetal．FloodfrequencyanalysisfornonstationaryannualpeakrecordsinanurbandrainagebasinJ．AdvancesinWaterＲesources2009321255-1266．33．J．2009486127-131．XUYuepingTANGYouguangWANGＲuichen．ApplicationofscalemodelinhydrologicalfrequencyanalysisJ．ActaScientiarumNaturaliumUniversitatisSunyatseni2009486127-131．inChinese34ＲAJEDMUJUMDAＲPP．ＲeservoirperformanceunderuncertaintyinhydrologicimpactsofclimatechangeJ．AdvancesinWaterＲesources201033312-326．2013-03-21檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪704a．。b．3、。c．。d．。。1．J．200550138-39．LIJiankun．Analysisoneffectsfromdailyregulatinghydroplanttoregionalwaterresourcesandaquatice