湖泊纳污能力动态特征分析及计算

6220086JournalofChinaInstituteofWaterResourcesandHydropowerResearchVol6No2June,2008:20071115:(1968-),,,,,Email:[e-mail]:16723031(2008)02010506史晓新1,禹雪中2,马巍2(1,100011;2,100038):,,,,,,,:;;;:X502:A,2006,12,!6,3,!,![1],[2,3][4],[5~7],,[8],,,,,1,,,,,,,,,122003,,2003058m,188m3(7),40m3(1),,,,,,,∀105∀1200322003(6~8),340~450mm,35%~40%;(12~2),110~210mm,11%~14%,1/3~1/2,,,[9],,,,,,,,,,,,,,2,,,,,21,10()90%()[8],7Q10(90%7d),,,,,[9,10],,,,,,,∀106∀,,,,22,,,,,,,:(1);(2);(3)23,,,[9],,,:(1),,;(2),,,,;(3),;(4)(1),,,(2),():#,;∃,,,,;%,,(3)(),,,,,,,,,,,3,,CODMnTPTN,,312003967mm,179%,88%,,466mm,40%,94%,∀107∀,,332,,,11(3),,(1),,,&∋(2001~2005)33,,(95%90%),,CODMnTPTN4,350026t436t/11969t/4CODMnTPTN,,5,,7,172%;3,108%;8~10,∀108∀275%,879%,9104%,1092%;1,44%:7391058111262411km2(mgL)CODMnTPTN(60060005100(64060005100(268037005100)-(56.75.00.051.00)-(12604.70.051.00)66204.00.0250.50)-(14704.60.051.00)428.84.00.0250.50)156.73.90.0250.50)-(146.34.70.051.00)-(216.73.90.051.006,,,,,,56,,,34,,,,,,,4,,,,,,,,,,∀109∀,,,,,:[1].2006[EBOL].http:∗[2].[J].,2001,(5):17-21.[3],,.[J].,2005,3(1):8-12.[4],.[M].:,1991.[5],.[J].,2006,26(5):83-85.[6],.[J].,2002,21(3):20-23.[7].[R].:,1991.[8]SL348-2006,[S].[9],,,.[J].,2005,36(7):812-817.[10].[J].,2004,(20):19-22.AnalysisandcalculationofdynamiccharacteristicsoflakeenvironmentalcapacitySHIXiaoxin1,YUXuezhong2,MAWei2(1GeneralInstituteofWaterResourcesandHydropowerPlanningandDesign,Beijing100011,China;2Dept.ofWaterEnvironment,IWHR,Beijing100038,China)Abstract:Mainnaturalfactorsoflakes,suchasflow,waterlevelandwindarechangingwithtime,whichmakelakeenvironmentalcapacitychangingwithtimetoo.Thetemporaldistributionofpollutionloadoflakesisalsoobviouslyuneven.Thispaperanalyzesthedynamiccharacteristicsoflakeenvironmentalcapacitybymeansofnumericalsimulation.Itisproposedtoselectatypicalhydrologicalyearandtodefineacomputationaldomain,whichshouldcoverthelakeandallconnectingriversasawholesystemforsimulation.Asacasestudy,theTaihuLakesystemisadopted.Adryyearisselectedasthetypicalhydrologicalyear,anda2Dwaterqualitymodelisapplied.ThecomputationresultsshowthedynamicprocessoftheTaihuLake,includingthetotalenvironmentalcapacityanditsmonthlyvalues.Thestudywillhelptoimprovetheadaptabilityoftotalamountcontroltechniqueinlakes.Thebasicmethodcanbeusedasreferenceforfurtherapplicationinrivers.Keywords:waterenvironmentcapacity;dynamiccharacteristics;TaihuLake(:)∀110∀