Page 76 - 《水资源与水工程学报》2024年第2期
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modelstability,theVMD-LSTMcoupledmodelbasedoncorrelationtestingcannotonlyfurtherimprove
themodelaccuracy ,butalsoimprovesthestabilityofthemodel.Inthecomparisonofthedifferentcou
plingmethodsoftheVMD-LSTMcoupledmodelbasedonthecorrelationtesting,schemeD whichde
1
composesbothinputsandoutputswithVMDandoptimizesinputshasthebestsimulationaccuracyand
stability ,withanNSEvalueof0.98andabovefor60simulations.Inaddition,whenanalyzingtheinter
pretabilityofschemeD,itisfoundthathistoricalrunoffhasagreaterimpactontheLSTM modelthan
1
rainfallandevaporation.Theresultsofthisstudycanprovideaccurateandreliablemediumandlongterm
runoffsimulationsforthewaterresourcesmanagementinthebasin.
Keywords:correlationtesting;variationalmodaldecomposition(VMD);longshortterm memory
(LSTM)neuralnetwork;runoffsimulation;theBoyangRiverBasin
soilmoistureaccounting ,SAC-SMA) 78 Snow-17
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