RUNOFF MODELING OF A MOUNTAINOUS CATCHMENT USING TOPMODEL: A CASE STUDY
2005; Wiley; Volume: 41; Issue: 1 Linguagem: Inglês
10.1111/j.1752-1688.2005.tb03721.x
ISSN1752-1688
AutoresNageshwar R. Bhaskar, Laura K. Brummett, Mark French,
Tópico(s)Soil erosion and sediment transport
ResumoJAWRA Journal of the American Water Resources AssociationVolume 41, Issue 1 p. 107-121 RUNOFF MODELING OF A MOUNTAINOUS CATCHMENT USING TOPMODEL: A CASE STUDY1 Nageshwar R. Bhaskar, Nageshwar R. Bhaskar Respectively, Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292; Project Engineer, QK4, Inc., 815 West Market Street, Louisville, Kentucky 40202; and Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292 (E-Mail/Bhaskar: [email protected] ).Search for more papers by this authorLaura K. Brummett, Laura K. Brummett Respectively, Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292; Project Engineer, QK4, Inc., 815 West Market Street, Louisville, Kentucky 40202; and Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292 (E-Mail/Bhaskar: [email protected] ).Search for more papers by this authorMark N. French, Mark N. French Respectively, Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292; Project Engineer, QK4, Inc., 815 West Market Street, Louisville, Kentucky 40202; and Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292 (E-Mail/Bhaskar: [email protected] ).Search for more papers by this author Nageshwar R. Bhaskar, Nageshwar R. Bhaskar Respectively, Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292; Project Engineer, QK4, Inc., 815 West Market Street, Louisville, Kentucky 40202; and Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292 (E-Mail/Bhaskar: [email protected] ).Search for more papers by this authorLaura K. Brummett, Laura K. Brummett Respectively, Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292; Project Engineer, QK4, Inc., 815 West Market Street, Louisville, Kentucky 40202; and Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292 (E-Mail/Bhaskar: [email protected] ).Search for more papers by this authorMark N. French, Mark N. French Respectively, Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292; Project Engineer, QK4, Inc., 815 West Market Street, Louisville, Kentucky 40202; and Professor, Department of Civil and Environmental Engineering, University of Louisville, Louisville, Kentucky 40292 (E-Mail/Bhaskar: [email protected] ).Search for more papers by this author First published: 08 June 2007 https://doi.org/10.1111/j.1752-1688.2005.tb03721.xCitations: 5 1 Paper No. 04012 of the Journal of the American Water Resources Association (JAWRA) (Copyright © 2005). Discussions are open until August 1, 2005. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract ABSTRACT: The rainfall-runoff response of the Tygarts Creek Catchment in eastern Kentucky is studied using TOPMODEL, a hydrologic model that simulates runoff at the catchment outlet based on the concepts of saturation excess overland flow and subsurface flow. Unlike the traditional application of this model to continuous rainfall-runoff data, the use of TOPMOEL in single event runoff modeling, specifically floods, is explored here. TOPMODEL utilizes a topographic index as an indicator of the likely spatial distribution of rainfall excess generation in the catchment. The topographic index values within the catchment are determined using the digital terrain analysis procedures in conjunction with digital elevation model (DEM) data. Select parameters in TOPMODEL are calibrated using an iterative procedure to obtain the best-fit runoff hydrograph. The calibrated parameters are the surface transmissivity, TO, the transmissivity decay parameter, m, and the initial moisture deficit in the root zone, Sr0. These parameters are calibrated using three storm events and verified using three additional storm events. Overall, the calibration results obtained in this study are in general agreement with the results documented from previous studies using TOPMODEL. However, the parameter values did not perform well during the verification phase of this study. LITERATURE CITED Ambroise, B., K. Beven, and J. Freer, 1996. 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