NDLI: Sensitivity Analysis of the GIUH based Clark Model for a Catchment

Content Provider	Springer Nature Link
Author	Kumar, Rakesh Chatterjee, C. Lohani, A. K. Kumar, Sanjay Singh, R. D.
Copyright Year	2002
Abstract	For estimation of runoff response of an ungauged catchment resulting from a rainfall event, geomorphologicalinstantaneous unit hydrograph (GIUH) approach is getting popularbecause of its direct application to an ungauged catchment. Itavoids adoption of tedious methods of regionalization of unithydrograph; wherein, the historical rainfall-runoff data of anumber of gauged catchments are required to be analyzed. In thisstudy, the GIUH derived from geomorphological characteristics ofa catchment has been related to the parameters of Clark IUH modelfor deriving its complete shape. The DSRO hydrographs estimatedby the GIUH based Clark model have been compared with the DSROhydrographs computed by the Clark IUH model option of the HEC-1package and the Nash IUH model by employing some of the commonlyused error functions. Sensitivity analysis of the GIUH basedClark model has been conducted with the objective to identify thegeomorphological and other model parameters which are moresensitive in estimation of peak of unit hydrographs computed bythe GIUH based Clark model. So that these parameters may beevaluated with more precision for accurate estimation of floodhydrographs for the ungauged catchments.
Starting Page	263
Ending Page	278
Page Count	16
File Format	PDF
ISSN	09204741
Journal	Water Resources Management
Volume Number	16
Issue Number	4
e-ISSN	15731650
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2002-01-01
Publisher Institution	European Water Resources Association (EWRA)
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydrogeology Meteorology/Climatology Geotechnical Engineering Civil Engineering Environment
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Civil and Structural Engineering

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