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dc.contributor.authorBhunya P.K.-
dc.contributor.authorSingh P.K.-
dc.contributor.authorMishra, Surendra Kumar-
dc.date.accessioned2020-10-15T12:45:51Z-
dc.date.available2020-10-15T12:45:51Z-
dc.date.issued2009-
dc.identifier.citationHydrological Sciences Journal (2009), 54(2): 274-286-
dc.identifier.issn2626667-
dc.identifier.urihttps://doi.org/10.1623/hysj.54.2.274-
dc.identifier.urihttp://repository.iitr.ac.in/handle/123456789/15053-
dc.description.abstractThis paper explores the potential of using the density functions of the one-parameter chi-square distribution (1PCSD) and the two-parameter Fréchet distribution (2PFD) as parametric expressions for describing synthetic unit hydrographs (SUH) using geomorphological parameters of the catchment and, in particular, Horton ratios. To estimate the parameters of these two distributions, a simple analytical procedure is proposed. Finally, the suitability of these methods compared to the existing two-parameter gamma distribution (2PGD) method for SUH derivation is examined using limited field data conditions for two Indian catchments. Based on STDER criterion, 1PCSD is found to perform marginally better than 2PGD and 2PFD for Bridge catchment 253. However, for the Myntdu-Leska catchment, 2PFD performs marginally better than 2PGD and 1PCSD. The results indicate that the two density functions compared well with the popular 2PGD, indicating the equal potential of both for SUH derivation using Horton ratios. Copyright © 2009 IAHS Press.-
dc.language.isoen_US-
dc.relation.ispartofHydrological Sciences Journal-
dc.subjectHorton ratios-
dc.subjectProbability distribution functions-
dc.subjectSynthetic unit hydrograph-
dc.titleFréchet and chi-square parametric expressions combined with Horton ratios to derive a synthetic unit hydrograph-
dc.typeArticle-
dc.scopusid8268278000-
dc.scopusid57208371734-
dc.scopusid55463271000-
dc.affiliationBhunya, P.K., National Institute of Hydrology, Roorkee 247 667 Uttarakhand, India-
dc.affiliationSingh, P.K., Department of Water Resources Development and Management, Indian Institute of Technology, Roorkee 247 667 Uttarakhand, India-
dc.affiliationMishra, S.K., Department of Water Resources Development and Management, Indian Institute of Technology, Roorkee 247 667 Uttarakhand, India-
dc.description.correspondingauthorBhunya, P.K.; National Institute of Hydrology, Roorkee 247 667 Uttarakhand, India; email: pkiitdwt@iitr.ernet.in-
Appears in Collections:Journal Publications [WR]

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