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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ)   2008 , Volume 18 , Number 2; Page(s) 11 To 25.
 
Paper: 

COMPARISON OF CLARK AND MUSKINGUM METHODS IN RIVER FLOOD ROUTING (CASE STUDY: KAROON RIVER)

 
 
Author(s):  NIAZI F., FAKHERIFARD A.*, HOSSEINZADEH DALIR A.
 
* DEPARTMENT OF WATER ENGINEERING, FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ, TABRIZ, IRAN
 
Abstract: 
In general, there are two sets of methods for flood routing calculations in rivers. These methods are classified as hydraulic and hydrologic scheme. Flood routing is of great importance to design, construct, and manage the flood preserved structures in order to study their effects on flood waves treatment in rivers, short time prediction of flood, prediction of river treatment after its situation changed and synthetic unit hydrograph generation are also accessible through flood routing. In this research, two approaches of flood routing i.e. Clark and Muskingum methods, were described and applied for a reach between Godarlandar and Gotvand gauging stations of Karoon river; then their functions were investigated and compared. Eleven input hydrographs in Godarlandar and their output hydrographs in Gotvand station were selected and the calibration of the study methods as well as their goodness of fit test performed through selected hydrographs using error analysis. The criteria used for models evaluation, included coefficient of determination (R2), standard error (SE), Nash- Sutcliffe efficiency (E), error in peak flow (Qp%) and error in time to peak (Tp%). The results showed that both Clark and Muskingum methods under estimated the peak and the time to peak as compared with the observed values whereas the result of evaluations showed that the simulation of output hydrographs with Muskingum method was closer to observed than that of Clark method.
 
Keyword(s): CLARK METHOD, HYDRAULIC FLOOD ROUTING, HYDROLOGIC FLOOD ROUTING, KAROON RIVER, MUSKINGUM METHOD
 
References: 
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