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                          Environmentaleffecttheoryofheterogeneousaggregationoffinesediment
                                         andmicroplasticsinestuarine :areview

                                                                              1,4,5
                                                                                                    2,3
                                                          2,3
                                                                                         2,3
                    QINMin 1,2,3,4,5 ,QIUJing 1,4,5 ,CHENZhihe ,HONGChanghong    ,LIMin ,OUJing
                            (1.GuangdongResearchInstituteOfWaterResourcesAndHydropower,Guangzhou 510635,China;
                                  2.SchoolofCivilEngineering,SunYat - senUniversity,Zhuhai 519082,China;
                      3.CenterofWaterSecurityEngineeringandTechnologyinSouthernChinaofGuangdong,Guangzhou 510275,China;
                               4.StateJointEngineeringLaboratoryofEstuaryHydraulics,Guangzhou 510635,China;
                         5.GuangdongProvincialKeyLaboratoryofWaterQualityImprovementandEcologicalRestorationforWatersheds,
                                                   Guangzhou 510006,China)


                  Abstract:Inrecentyears,theharmandthreatofmicroplasticspollutiontotheglobalecologicalenvironmentcan
                  notbeignored.Duetochangesinwaterenvironmentandhydrodynamicconditions,alargenumberofmicroplastics
                  willmigratetoestuarieswithwaterflowandcollidewithfineparticlesandsediment ,resultinginheterogeneousag
                  gregationandchangingtheirtransportbehaviorsignificantly ,thusaffectingthetrendofparticulatematterandother
                  elementsintheenvironment.Inordertofurtherclarifythedrivingfactors,aggregationandtransportcharacteris
                  tics ,mechanismandenvironmentaleffectsofsedimentandmicroplasticsheterogeneousaggregation,thispaper
                  combinedwithrecentdomesticandforeignresearchdevelopments,discussedandsummarizedthedrivingfactors
                  andenvironmentaleffectsoffineparticlessedimentandmicroplasticsheterogeneousaggregationinestuaries ,en
                  richedtheenvironmentaleffectstheoryofsedimentanditsaggregates ,andextendedthetheoreticalresearchdimen
                  sion.Anevaluationindexsystem fortheenvironmentaleffectsofheterogeneousaggregationisproposedfrom the
                  macro ,mesoscopicandmicrolevels.Thisstudyishelpfultoenrichanddeepenthetheoreticalsystemofenviron
                  mentalsedimentanditsenvironmentaleffects ,andcanprovidetheoreticalsupportforstrengtheningestuarinewater
                  environmentalmanagementtechnologyandimprovingthelevelandabilityofwaterpollutionpreventionandcontrol.
                  Keywords:finesedimentinestuarine;microplastics;heterogeneousaggregation;environmentaleffect;heavy
                  metals;indexsystem

                                                                                    (责任编辑:耿庆斋)


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