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:1672643X(2023)04002312
Areviewontheeffectsofclimatechangeandhumanactivities
onnutrientfluxprocessesinrivers
4
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5
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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 ,largescalewaterconservancyprojectsandfuturewaterenvironmentrestoration.Fi
nally,itissuggestedthatthefuturestudyshouldfocusontheresearchoftheimpactofclimatechange
andhumanactivities ,monitoringtechnologyofwaterquality,numericalsimulationandwaterenvironment
protectionandmanagementaccordingtothesummaryandanalysisoftheexistingresearchresults.
Keywords:climatechange;humanactivities;nutrientinrivers;nutrientflux;waterenvironmentmodel
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