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YalongRiverBasin.Underthefutureclimatechangeconditions,thepeakflowseriesofMaidilongstationincreases
slightlyfromnowtoaround2070undertheSSP1 - 2.6scenario,followedbyaslightdecrease;UndertheSSP2 -
4.5scenario,itincreasesfromnowtoaround2070significantly,andthentendstostabilize;OnlyintheSSP5 -
8.5scenarioitcontinuestorise ,andtheupwardtrendisobvious.Underfutureclimatechangeconditions,except
fortheriskofexceedingthedesignfloodlevelundertheSSP1 - 2.6scenario ,theriskofexceedingthedesignflood
levelandcheckfloodlevelofYangfanggouHydropowerStationhavesignificantlyincreasedcomparedtothedesign
standards.Futureglobalclimatechangewillhaveasignificantimpactonthewatercycleandland - airwaterex
changeintheYalongRiverbasin,leadingtomoreseverehydrologicalextremeevents.Thehydropowerstations
(reservoirs)plannedandconstructedinthebasinbasedonthehydrologicalanalysisresultsinstableenvironment
willfacegreaterfloodcontrolrisks.ThefloodcontrolriskanalysismethodintegratingtheITVM andDMCmodel
proposedinthisarticlecanconsidertheeffectsofHEFsandthenon - stationarityoffloodseriescausedbyfuture
globalclimatechangetogether ,andithasbeenverifiedtohavegoodapplicabilityinpractice.Theresultscanpro
videcertainreferencesfortherelevantmanagementinstitutionstodealwithfloodcontrolrisksandguideactualpro
duction.
Keywords:climatechange;non - stationarity;integratedtime - varyingmomentmodel;floodcontrolrisks
(责任编辑:耿庆斋)
(上接第 1083页)
AnontologyandNLP - basedknowledgegraphconstructionmethodfor
dangersofearth - rockdam
1
2
1
ZHANGJixun,WANGYuqing,JIAOXiuming,ZHANGYuxian 1
(1.CollegeofWaterConservancy&HydropowerEngineering,HoHaiUniversity,Nanjing 210098,China;
2.ZhejiangInstituteofHydraulics&Estuary(ZhejiangInstituteofMarinePlanningandDesign),Hangzhou 310020,China)
Abstract:Duetofactorssuchassuboptimalconstructionqualityandsevereenvironmentaldisasters,arangeof
dangeroussituations ,includinglandslides,cracks,andflooding,mayariseduringtheoperationalandmainte
nancestagesofearth - rockdams.Atpresent ,alargeamountofdatarelatedtodangersofearthandrockdamis
dispersedandexistsindiverseforms,posingchallengesforitsconversionintoexperientialknowledgeforefficient
utilizationandswiftguidanceinhazardmitigation.Consequently ,aknowledgegraph(KG)constructionmethod
isproposedinthisstudy ,integratingontologyandNaturalLanguageProcessing(NLP).Toconstructpatternand
datalayersofthegraph,thismethodemploysthetop - downandbottom - upmethods,respectively.Thepattern
layercentersonthreeprimaryconcepts :risktypes,riskcauses,andriskdisposalmeasures.Adomainontology
libraryisestablishedencompassingfourfacetsofearth - rockdam structure ,process,environment,andmateri
als ,andaconceptualframeworkofKGisbuilt.Theconstructionofthedatalayerencompassesoperationssuchas
datapreprocessing ,knowledgeextraction,andsemanticalignment.NLPisemployedtoprocessthetextandfor
mulateextractionrulesbasedoncorpuscharacteristics ,facilitatingtheacquisitionofspecificknowledgecontent
forthedatalayer.Ultimately ,varioustypesofinstancesandtheirrelationshipsarestoredintheformoftriplets.
TheNeo4jplatformisemployedtoactualizethevisualrepresentationandqueryingapplicationoftheKGwithinthe
dangersofearth - rockdam.Thistransformationofdisperseddatainthedomainintointegratedknowledgeoffers
essentialtechnicalandtheoreticalsupportforthesafetymanagementandhazardmitigationofearth - rockdams.
Keywords:dangersofearth - rockdam;knowledgegraph;ontology;naturallanguageprocessing
(责任编辑:李 娜)
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