Evaluating spatial variability and scale effects on hydrologic processes in a midsize river basin

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dc.contributor.authorYıldız, Osman
dc.contributor.authorBarros, Ana P.
dc.date.accessioned2020-06-25T17:48:30Z
dc.date.available2020-06-25T17:48:30Z
dc.date.issued2009
dc.departmentKırıkkale Üniversitesi
dc.descriptionBarros, Ana P/0000-0003-4606-3106
dc.description.abstractThe impact of spatial variability and scale on the dynamics of hydrologic processes in the Monongahela river basin of USA was investigated using a physically based spatially distributed hydrologic model developed by Yildiz (2001). The hydrologic model simulations were performed at 1 and 5 km spatial scales for a 5 month period from April through August of 1993. Effects of spatial variability in topography, vegetation and hydrogeology and of spatial scale were evaluated through comparisons of the simulated and observed streamflows for the prescribed resolutions at different locations across the river basin. The evaluation of observed and simulated streamflows using the statistical measures of mean, standard deviation, coefficient of variation, root mean square error and bias showed that model statistics of streamflow followed closely the spatial patterns of those of existing observations, that is, the model captured the space-time features of the 1993 flood across the basin. The changes in the nature of the rainfall-runoff response due to changes in the spatial resolution of the model indicated that there was also a change in governing physical processes at different resolutions. Here, this change was expressed in terms of the relative contributions of surface and subsurface flows.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.endpage225en_US
dc.identifier.issn1992-2248
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-70349210085
dc.identifier.scopusqualityN/A
dc.identifier.startpage217en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4475
dc.identifier.volume4en_US
dc.identifier.wosWOS:000265885300004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAcademic Journalsen_US
dc.relation.ispartofScientific Research And Essays
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSpatial variabilityen_US
dc.subjectspatial scaleen_US
dc.subjecthydrologic modelen_US
dc.subjectstreamflowen_US
dc.subjectdigital elevation modelen_US
dc.subjectstream networken_US
dc.titleEvaluating spatial variability and scale effects on hydrologic processes in a midsize river basinen_US
dc.typeArticle

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