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1、AbstractTheResearchontheExistingFormsofSedimentsandSediment-waterInterfaceintheProcessofNitrogenandPhosphorusAdsorption-releaseoftheYaohuLakeAbstractOnthebasisofresearchaboutexternalpollutionofYaohuLakebypredecessors,thispaperhadcarriedonthedetaileddiscussiontoendogen
2、ouspollutioncharacteristicsofYaoHu.Firstofall,nitrogenandphosphorusexistingformsanditsspatialdistributioncharacteristicinsedimentswerestudied,andthedistributionofthemainphysicalandchemicalpropertiesinsedimentwasanalyzed.Secondly,theprocessofnitrogenadsorptionandreleas
3、ingontheinterfacebetweensedimentsandwaterwasanalyzed;andthemodelsofnitrogenadsorptiondynamics,theadsorptionisotherm,releasekinetics,andquantitativecalculationoftheammonianitrogenreleasepotentialinsedimentswereestablished;thecharacteristicsofammonianitrogenadsorptionwi
4、thgrainsizeofsedimentswasstudied.Thirdly,theprocessofphosphorusadsorptionofsedimentsandwaterinterfacewerestudied;themodelsofphosphorusadsorptiondynamics,andtheadsorptionisotherminsedimentswereestablished;theinfluenceofphosphorusreleasingwithpHandtemperaturewasdiscusse
5、d.Finally,undertheconditionofindoorsimulationlakeenvironment,theinfluenceofsedimentnitrogenandphosphorusreleasingwithpHandwinddisturbancewerestudied.Researchresultswouldprovidetheoreticalbasisforquantitativeanalysisoftheinfluenceofnitrogenandphosphorusformsofsediments
6、oneutrophicationconditionofYaohuLake,whichhadimportantpracticalandtheoreticalsignificanceforinternalmanagementandpreventionofeutrophication.Themainresultswereasfollows:(1)Theresultsofphosphorusanalysismethodforselectingshowedthattherelativeerroroftwokindsofanalysismet
7、hodfordeterminationofTPwasin30%(relativetothemeasuredvalueofHGF).ThepercentageoftheaveragecontentofFe-PandFe/Al-PtoTPwere50.15%and48.25%,andtherelativeerrorofaveragecontentofFe/Al-PandthesumofAl-PandFe-Pwasin25%(comparedwiththesumofFe-PandAl-PbymethodofHGF).Theresults
8、ofCa-Pdeterminationwereroughlydoubled.ThisarticleselectedtheHGFofanalysingtheexistingformsanditsspatialdistributioncharacter
