Page 212 - 《水资源与水工程学报》2025年第2期
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vidualmodeltoensurethemodel’sgeneralizationabilityandaccuracy.Finally,thefinalpredictionre
sultwasobtainedbyperformingaweightedaverageoftheoutputsfromeachindividualmodel.Theresults
2
showthattheMLSTM modelimprovedthecoefficientofdetermination (R)ofthesoilmoistureat1,
12,24,and48hto0.951,0.932,0.870,and0.815,respectively,accordingtothedatasetofsoil
moisturecontentaveragesfrom foursoillayers.TheMLSTM modeleffectivelyenhancedthemedium
andlongtermpredictionaccuracyofsoilmoistureforjujubetrees,withparticularlysignificantimprove
mentsinpredictionsat24and48h.Thesefindingscanprovideastrongsupportforthepreciseirrigation
managementofjujubetrees ,thusimprovingwateruseefficiencyandavoidingunnecessarywaterwaste.
Keywords:predictionofsoilmoisture;multiheadlongshorttermmemory(MLSTM);sparrowsearch
algorithm(SSA);kfoldcrossvalidation;southernXinjiangdripirrigationjujube
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