Page 211 - 《水资源与水工程学报》2025年第2期
P. 211

!36 "!2 #                         & ' ( ) & * + , -                               Vol.36No.2
               2025 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2025

            DOI:10.11705/j.issn.1672-643X.2025.02.24


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                 FGHIJ:S274;S665.1   KLMNO:A    KPQJ:1672643X(2025)02020711

                        SoilmoisturepredictionofjujubetreesinsouthernXinjiang
                                        basedonmultiheadLSTM model

                                              1,2,3,4
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                YANGYihang       ,LDesheng        ,LIUNingning      ,WANGZhenhua         ,LIMiao       ,
                                                                             1,2,3,4
                                        ZHANGJinzhu   1,2,3,4 ,WANGDongwang
              (1.CollegeofWaterConservancy&ArchitecturalEngineering,ShiheziUniversity,Shihezi,832000,China;2.KeyLaboratoryof
                   ModernWaterSavingIrrigationofXinjiangProduction&ConstructionCorps ,Shihezi832000,China;3.Technology
                    InnovationCenterforAgriculturalWaterandFertilizerEfficiencyEquipmentofXinjiangProduction&Construction
                          Corps,Shihezi832000,China;4.KeyLaboratoryofNorthwestOasisWaterSavingAgriculture,
                                     MinistryofAgricultureandRuralAffairs,Shihezi832000,China)
                 Abstract:Accuratepredictionofsoilmoistureiscrucialforoptimizingcropplantingqualityandirrigation
                 schemesofjujubetrees(ZiziphusjujubaMill.).Thisstudyestablishedahighprecisionsoilmoisture
                 predictionmodeltoimprovetheirrigationmanagementofjujubetreesinsouthernXinjiang.Basedon
                 hourlydatasetsofsoilmoisturecontent ,meteorologicaldata,andirrigationvolumeforjujubetreesduring
                 theentiregrowingseasonsof2021and2022atsoildepthsof20,40,60,and80cm,alongshortterm
                 memory(LSTM)neuralnetworkmodelwasusedtoperform multisteppredictionsofsoilmoisturefor
                 eachsoillayer.Toexpandthemodel ’spredictionrangeandimprovepredictionaccuracy,amultihead
                 LSTM(MLSTM)modelconsistingoffourindividualLSTM modelswasintroduced.kfoldcrossvalida
                 tioncombinedwiththesparrowsearchalgorithm(SSA)wasusedforhyperparametertuningofeachindi

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