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1、關(guān)鍵詞：樂清灣，污染物，水環(huán)境質(zhì)量，總量分配，排污權(quán)交易萬方數(shù)據(jù)METHODOLOGYANDAPPLICATIONOFTOTALDISCHARGECONTROLOFPOLLUTANTSINLEQINGBAYABSTRACTLeqingBayislocatedatcoastalareaofsouthernZhejiangProvince.2LeqingBaycovers463.6kminareaandthecoastallineis184.7kminlength.Withtherapideconomicandsocialdevelopme
2、ntofregionsalongLeqingBay,moreandmoredifferentpollutantshavebeendischargedintothebay.TheamountofthesepollutantsexceedsthemarineenvironmentalcapacityofLeqingBay,thereforethecurrentwaterqualityofthebayisworthworrying.Accordingtothemonitoringdatain2006,therewasnofirst-typew
3、aterqualityofseawaterinthebay,andwaterqualityhaddeterioratedtothefourth-typewaterqualityorless.Worsemore,mostseazonesareundereutrophicationduetoexcessivedischargeoftotalnitrogen(TN)andtotalphosphorus(TP),whichhasgreatlydestroyedtheecologicalenvironmentoftheoceanandevenaf
4、fectedthefurtherhealthydevelopmentofeconomyandsocietyinthecoastalregions.Inordertodealwiththestiffsituationofwaterqualitydeteriorationand萬方數(shù)據(jù)improvetheenvironmentalquality,it’surgenttosetuptheschemeoftotaldischargecontrolofpollutants,whichincludestheestimationaboutfluxof
5、pollutantsenteringtothesea,thecalculationofmarineenvironmentalcapacity,optimizationofcapacityallocationamongwaterzonesandtowns,industrialcapacityallocation,establishmentandimprovementofdischargetradingsystemandtherelevanttradingrules.AccordingtothepracticalsituationofLeq
6、ingBay,thecapacityallocationtechnology,thedischargetradingsystemandtherelatedtradinginstitutionswerestudiedinthispaperbasedonthefruitsoftheestimationaboutfluxofpollutantsenteringtotheseaandthecalculationofmarineenvironmentalcapacity.Themainresearchcontentsandresultsaresh
7、ownasfollows:(1)ThewaterqualityanalysisandcomprehensiveevaluationonLeqingBayThequalityofthesurfacewaterenvironment,thesedimentaryenvironmentandtheecologicalenvironmentwereanalyzed,andtheoverallenvironmentalqualityofthebayisevaluated.TheresultsshowthatLeqingBayisunderseve
8、reeutrophication,andthesedimentaryenvironmentalqualityofthesedimentisgenerallyingoodcondition.Diversity
