Page 115 - 《水资源与水工程学报》2022年第6期
P. 115

! 33 " ! 6 #                      & ' ( ) & * + , -                               Vol.33No.6
               2022 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2022

            DOI:10.11705/j.issn.1672-643X.2022.06.14


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                 KLDMN:TV213.4   OPQRS:A    OTUN:1672643X(2022)06011109
            PredictionmodelsofregionalannualtotalwaterconsumptioninmainlandChina

                                                            1
                                                                         1
                                                                                         1,2
                                            1
                              ZHOUYuming,CHENTianyue,GUOQing,SONGSongbai
                   (1.CollegeofWaterResourcesandArchitecturalEngineering,NorthwestA&FUniversity,Yangling712100,China;
                        2.KeyLaboratoryofAgriculturalSoilandWaterEngineeringinAridandSemiaridAreas,Ministryof
                                     Education ,NorthwestA&FUniversity,Yangling712100,China)
                 Abstract:InordertoimprovelargescalewaterconsumptionpredictionmodelsformainlandChinaand
                 provideatechnicalsupportforthescientificutilizationofwaterresources,theannualtotalwatercon
                 sumptionpredictionmodelsofprovincialadministrativedivisions ,riverbasinsandgeographicalregions
                 wereestablishedbasedontheprinciplesofARMA ,grayGM(1,1)andBPneuralnetworkmodel.The
                 optimizedresultsofthemodelswerestatisticallyanalyzed ,andtheselectedoptimalmodelswereusedto
                 predictthetotalwaterconsumptionfrom2021to2025.Theresultsshowthatfortheprovincialadminis
                 trativedivisionscale ,theoptimalpredictionmodeloftotalannualwaterconsumptionisARMAmodelin
                 nineadministrativedivisions ,grayGM(1,1)modelinsixadministrativedivisions,andneuralnetwork
                 modelin16administrativedivisions.Attheriverbasinscale ,theoptimalpredictionmodelisARMA
                 modelinfivebasins,grayGM(1,1)modelinthreebasins,andneuralnetworkmodelintheYangtze
                 Basin.Forthescaleoflargegeographicalregions,theoptimalmodelofthesixnorthernregionsisthe
                 neuralnetworkmodel ,andthatofthefoursouthernregionsisthegrayGM(1,1)model.Thewatercon
                 sumptioninthenextfiveyearswillbegenerallystable.Thesefindingsareexpectedtoprovidesomesta
                 tisticalreferencefortotalwaterconsumptionmanagementinChina.
                 Keywords:annualtotalwaterconsumptionprediction;ARMAmodel;grayGM(1,1)model;BPneu
                 ralnetworkmodel;mainlandChina

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