Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2106
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dc.contributor.authorTayfur, Gökmen-
dc.date.accessioned2016-08-15T08:56:18Z
dc.date.available2016-08-15T08:56:18Z
dc.date.issued2007-06
dc.identifier.citationTayfur, G. (2007). Modelling sediment transport from bare rilled hillslopes by areally averaged transport equations. Catena, 70(1), 25-38. doi:10.1016/j.catena.2006.07.002en_US
dc.identifier.issn0341-8162
dc.identifier.issn0341-8162-
dc.identifier.urihttp://doi.org/10.1016/j.catena.2006.07.002
dc.identifier.urihttp://hdl.handle.net/11147/2106
dc.description.abstractTreating the dynamics of sediment transport as two-dimensional on interrill-areas and as one-dimensional in rill sections, areally averaged sheet sediment transport equations are developed. The two-dimensional sheet sediment transport equation is averaged over an individual interrill-area width and then along the interrill-area length to obtain local-scale areally averaged interrill-area sheet sediment transport equation (local-scale areal averaging). Similarly, the cross-sectionally-averaged rill sediment transport equation is averaged along an individual rill length to obtain local-scale areally averaged rill sediment transport equation (local-scale areal averaging). In order to minimize computational effort and economize on the number of model parameters, the local-scale areally averaged equations are then averaged over a whole hillslope section (large-scale areal averaging). These equations constitute the areally averaged model. The expectations of the terms containing more than one variable are obtained by the method of regular perturbation. In the large-scale areal averaging it is assumed that all the randomness in the state variable is due to the randomness in the parameters of the process. Comparison of the results obtained from the areally averaged model with those of the point-scale model indicates that the areally averaged model uses far less data and yet it performs as well as the point-scale model. The results of the developed model indicate that on a rilled-surface most of the sediment loads comes from rill sections. The developed model is successfully tested against experimental data obtained from a bare rilled hillslope. It predicted measured runoff and sediment rates with mean absolute errors of 11.07 l/min and 0.382 kg/s, respectively.en_US
dc.language.isoenen_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofCatenaen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAveragingen_US
dc.subjectErosionen_US
dc.subjectHillslopeen_US
dc.subjectRegular perturbationen_US
dc.subjectRilled-surfaceen_US
dc.subjectSheet sediment transporten_US
dc.titleModelling sediment transport from bare rilled hillslopes by areally averaged transport equationsen_US
dc.typeArticleen_US
dc.authoridTR2054en_US
dc.institutionauthorTayfur, Gökmen-
dc.departmentİzmir Institute of Technology. Civil Engineeringen_US
dc.identifier.volume70en_US
dc.identifier.issue1en_US
dc.identifier.startpage25en_US
dc.identifier.endpage38en_US
dc.identifier.wosWOS:000246548400003en_US
dc.identifier.scopus2-s2.0-33947268767en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.catena.2006.07.002-
dc.relation.doi10.1016/j.catena.2006.07.002en_US
dc.coverage.doi10.1016/j.catena.2006.07.002en_US
dc.identifier.wosqualityQ2-
dc.identifier.scopusqualityQ1-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.openairetypeArticle-
crisitem.author.dept03.03. Department of Civil Engineering-
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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