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Article: Event-based hydrological modeling for detecting dominant hydrological process and suitable model strategy for semi-arid catchments

TitleEvent-based hydrological modeling for detecting dominant hydrological process and suitable model strategy for semi-arid catchments
Authors
KeywordsHydrological modeling
Semi-arid catchments
Classic models
Flexible models
Nonlinear components
Dominant process
Issue Date2016
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jhydrol
Citation
Journal of Hydrology, 2016 How to Cite?
AbstractTo simulate the hydrological processes in semi-arid areas properly is still challenging. This study assesses the impact of different modeling strategies on simulating flood processes in semi-arid catchments. Four classic hydrological models, TOPMODEL, XINANJIANG (XAJ), SAC-SMA and TANK, were selected and applied to three semi-arid catchments in North China. Based on analysis and comparison of the simulation results of these classic models, four new flexible models were constructed and used to further investigate the suitability of various modeling strategies for semi-arid environments. Numerical experiments were also designed to examine the performances of the models. The results show that in semi-arid catchments a suitable model needs to include at least one nonlinear component to simulate the main process of surface runoff generation. If there are more than two nonlinear components in the hydrological model, they should be arranged in parallel, rather than in series. In addition, the results show that the parallel nonlinear components should be combined by multiplication rather than addition. Moreover, this study reveals that the key hydrological process over semi-arid catchments is the infiltration excess surface runoff, a non-linear component.
Persistent Identifierhttp://hdl.handle.net/10722/233904
ISSN
2015 Impact Factor: 3.043
2015 SCImago Journal Rankings: 1.743

 

DC FieldValueLanguage
dc.contributor.authorHuang, P-
dc.contributor.authorLi, Z-
dc.contributor.authorChen, J-
dc.contributor.authorLi, Q-
dc.contributor.authorYao, C-
dc.date.accessioned2016-09-30T07:17:41Z-
dc.date.available2016-09-30T07:17:41Z-
dc.date.issued2016-
dc.identifier.citationJournal of Hydrology, 2016-
dc.identifier.issn0022-1694-
dc.identifier.urihttp://hdl.handle.net/10722/233904-
dc.description.abstractTo simulate the hydrological processes in semi-arid areas properly is still challenging. This study assesses the impact of different modeling strategies on simulating flood processes in semi-arid catchments. Four classic hydrological models, TOPMODEL, XINANJIANG (XAJ), SAC-SMA and TANK, were selected and applied to three semi-arid catchments in North China. Based on analysis and comparison of the simulation results of these classic models, four new flexible models were constructed and used to further investigate the suitability of various modeling strategies for semi-arid environments. Numerical experiments were also designed to examine the performances of the models. The results show that in semi-arid catchments a suitable model needs to include at least one nonlinear component to simulate the main process of surface runoff generation. If there are more than two nonlinear components in the hydrological model, they should be arranged in parallel, rather than in series. In addition, the results show that the parallel nonlinear components should be combined by multiplication rather than addition. Moreover, this study reveals that the key hydrological process over semi-arid catchments is the infiltration excess surface runoff, a non-linear component.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jhydrol-
dc.relation.ispartofJournal of Hydrology-
dc.rightsPosting accepted manuscript (postprint): © <year>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.subjectHydrological modeling-
dc.subjectSemi-arid catchments-
dc.subjectClassic models-
dc.subjectFlexible models-
dc.subjectNonlinear components-
dc.subjectDominant process-
dc.titleEvent-based hydrological modeling for detecting dominant hydrological process and suitable model strategy for semi-arid catchments-
dc.typeArticle-
dc.identifier.emailChen, J: jichen@hku.hk-
dc.identifier.authorityChen, J=rp00098-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jhydrol.2016.09.001-
dc.identifier.hkuros268449-
dc.publisher.placeNetherlands-

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