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Daily Runoff Forecasting Using a Cascade Long Short-Term Memory Model that Considers Different Variables

2021-03Journal article Restricted access
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dc.contributor.authorBai, Yun
dc.contributor.authorBezak, Nejc
dc.contributor.authorZeng, Bo
dc.contributor.authorLi, Chuan
dc.contributor.authorSapac, Klaudija
dc.contributor.authorZhang, Jin
dc.date.accessioned2021-09-08T10:58:05Z
dc.date.available2021-09-08T10:58:05Z
dc.date.issued2021-03
dc.description.abstractAccurate forecasts of daily runoff are essential for facilitating efficient resource planning and management of a hydrological system. In practice, daily runoff is needed for various practical applications and can be predicted using precipitation and evapotranspiration data. To this end, a long short-term memory (LSTM) under a cascade framework (C-LSTM) approach is proposed for forecasting daily runoff. This C-LSTM model is composed of a 2-level forecasting process. (1) In the first level, an LSTM is established to learn the relationship between the precipitation and evapotranspiration at present and to learn several meteorological variables one day in advance. (2) In the second level, an LSTM is constructed to forecast the daily runoff using the historical and simulated precipitation and evapotranspiration data produced by the first LSTM. Through cascade modeling, the complex features of the numerous targets in the different stages can be sufficiently extracted and learned by multiple models in a single framework. In order to evaluate the performance of the C-LSTM approach, four mesoscale sub-catchments of the Ljubljanica River in Slovenia were investigated. The results indicate that based on the root-mean-square error, the Pearson correlation coefficient, and the Nash-Sutcliffe model efficiency coefficient, the proposed model yields better results than two other tested models, including the normal LSTM and other neural network approaches. Based on the results of this study, we conclude that the LSTM under the cascade architecture is a valuable approach and can be regarded as a promising model for forecasting daily runoff.
dc.description.sponsorshipNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [71801044, 71771033]; International Cooperation of the Ministry of Science and Technology of China (bilateral project between China and Slovenia) [12-24]; China Scholarship CouncilChina Scholarship Council [201908500020]; Natural Science Foundation of ChongqingNatural Science Foundation of Chongqing [cstc2018jcyjAX0436]; Slovenian Research AgencySlovenian Research Agency - Slovenia [J2-7322, P2-0180]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1007/s11269-020-02759-2
dc.identifier.issn0920-4741
dc.identifier.urihttp://hdl.handle.net/10400.1/17026
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSPRINGER
dc.subjectLong short-term memory
dc.subjectCascade framework
dc.subjectMeteorological conditions
dc.subjectPrecipitation –
dc.subjectevapotranspiration pattern
dc.subjectDaily runoff forecast
dc.subject.otherEngineering; Water Resources
dc.titleDaily Runoff Forecasting Using a Cascade Long Short-Term Memory Model that Considers Different Variables
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1181
oaire.citation.issue4
oaire.citation.startPage1167
oaire.citation.titleWater Resources Management
oaire.citation.volume35
person.familyNameBai
person.givenNameYun
person.identifier.orcid0000-0003-2710-7994
person.identifier.scopus-author-id55461096500
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication395ae945-8e87-47b3-9edf-6fa1f380097f
relation.isAuthorOfPublication.latestForDiscovery395ae945-8e87-47b3-9edf-6fa1f380097f

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