Page 27 - 《水资源与水工程学报》2023年第4期
P. 27

!34 " ! 4 #                       & ' ( ) & * + , -                               Vol.34No.4
               2023 $ 8%                JournalofWaterResources&WaterEngineering                 Aug.,2023

            DOI:10.11705/j.issn.1672-643X.2023.04.04


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                 MNOPQ:X522   7RSTU:A    7VWQ:1672643X(2023)04002312

                       Areviewontheeffectsofclimatechangeandhumanactivities
                                        onnutrientfluxprocessesinrivers

                                                                                               4
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               JIANGPinfeng     ,TONGSichen ,HUANGGuoxian,XUGuangxiang ,HUPeng,XUXinfa
             (1.SchoolofRiverandOceanEngineering,ChongqingJiaotongUniversity,Chongqing400074,China;2.ChineseResearchAcademy
                ofEnvironmentalSciences ,Beijing100012,China;3.NationalEngineeringResearchCenterforInlandWaterwayRegulation,
                   Chongqing400074,China;4.ChinaInstituteofWaterResourcesandHydropowerResearch,Beijing100038,China;
                               5.JiangxiAcademyofWaterScienceandEngineering,Nanchang330029,China)
                 Abstract:Rivertransportisanimportantpathwayfornutrienttransmissionfromlandtoseaintheglobal
                 biogeochemicalcycles.Rivernutrientsaccountforaverylargeproportionofthefluxintothesea.Howev
                 er ,duetothedualimpactofhumanactivitiesandclimatechange,thetransmissionprocessofrivernutri
                 entshasundergonegreatchanges.Consideringthetwomethodsofdatamonitoringandnumericalsimula
                 tionofnutrientsinrivers ,wesummarizedtheresearchprogressofrivernutrientfluxcalculationandre
                 vealedthetrendofnutrientfluxchangeintheworld ’smajorrivers.Inaddition,theresponseofrivernu
                 trientprocesstoclimatechangeisanalyzedfromtheperspectivesofrisingtemperatureandfrequentex
                 tremeweatherevents,andtheroleofhumanactivitiesinrivernutrientprocessisdiscussedfromtheper
                 spectivesoflanduse ,largescalewaterconservancyprojectsandfuturewaterenvironmentrestoration.Fi
                 nally,itissuggestedthatthefuturestudyshouldfocusontheresearchoftheimpactofclimatechange
                 andhumanactivities ,monitoringtechnologyofwaterquality,numericalsimulationandwaterenvironment
                 protectionandmanagementaccordingtothesummaryandanalysisoftheexistingresearchresults.
                 Keywords:climatechange;humanactivities;nutrientinrivers;nutrientflux;waterenvironmentmodel


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