Page 83 - 《水资源与水工程学报》2022年第1期
P. 83

!33 " ! 1 #                       & ' ( ) & * + , -                               Vol.33No.1
               2022 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2022

            DOI:10.11705/j.issn.1672-643X.2022.01.11


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                 BCDEF:TV213.4   GHIJK:A    GLMF:1672643X(2022)01007907

                    SpatiotemporalevolutionofwaterusestructureinHebeiProvince
                                           basedoninformationentropy

                                                                     1
                                                                                                     1
                                                                                      1
                                       2
                                                     2
                             1
                   DONGSen,LUHua,BAIHuiting,PANGTingting,ZHANGYinqin,GAOHaoyue
                        (1.HebeiProvincialKeyLaboratoryofIntelligentWaterConservancy,HebeiUniversityofEngineering,
                        Handan056038,China;2.HebeiSiyuWaterEngineeringCo.,Ltd.,Shijiazhuang050051,China)
                 Abstract:InordertorevealthetemporalandspatialevolutionofwaterusestructureinHebeiProvince,
                 informationentropytheorywasemployedtoanalyzethespatiotemporalcharacteristicsofwaterusestruc
                 tureincitiesofHebeiProvincefrom2001to2018.Theresultsshowedthattheinformationentropyofwa
                 terusestructureinvariouscitiesoftheprovinceincreasedfrom0.68to1.00 ,whichreflectedanin
                 creaseofstabilityandbalanceinthewaterusesystem.Onthetemporalscale,citieswithintheprovince
                 werecategorizedas“highlevel”,“mediumlevel”and“lowlevel”accordingtotheinformationentropy
                 values ,andthediscrepanciesofdifferentlevelsweregraduallyenlarging,andthedifferenceoftheinfor
                 mationentropybetweenanytwolevelswaslargerthan0.12in2018.Thespatialdistributionofinforma
                 tionentropyinHebeiProvinceillustratedagradualvariation,whichdecreasedfromtheBohaiRimtothe
                 inlandandfrom theBeijing-TianjinRim tothesouthernHebei.Theabovespatiotemporalevolution
                 characteristicsofinformationentropyreflectedtheinfluenceofeconomicandsocialdevelopmentonthe
                 variationofwaterusestructure.Thefindingscouldprovidesometechnicalsupportfortheeffectivedeci
                 sionmakingofindustrialoptimizationandlocalwaterresourcesmanagementinHebeiProvince.
                 Keywords:waterusestructure;informationentropy;spatiotemporalevolution;comparativeanalysis;
                 spatialcharacteristics

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