Volume 14, Issue 53 (fall 2010)                   JWSS 2010, 14(53): 41-50 | Back to browse issues page

XML Persian Abstract Print


Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

Asadi H, Moradi H, Telvari A, Sadeghi S. Evaluating Methods of Storage Coefficient of Clark's Instantaneous Unit Hydrograph in Simulation of Flood Unit Hydrograph . JWSS. 2010; 14 (53) :41-50
URL: http://jstnar.iut.ac.ir/article-1-1331-en.html
, morady5hr@yahoo.com
Abstract:   (32107 Views)
The Clark method is one of the most applicable techniques for development of instantaneous unit hydrograph whose efficacy depends upon the accuracy in estimating storage coefficient. The present study was conducted in Kasilian watershed in Mazandaran Province to determine the efficiency of developed hydrograph using Clark's method and to compare the Muskingum storage coefficients obtained through graphical, Clark, Linsley, Mitchell, Johnstone-Cross and Eaton methods. To this aim, the time-area histogram of the study watershed was initially developed. The 3h-unit hydrograph was then derived using the data collected in Sangedeh climatological and Valikbon hydrometric stations. The efficiency of Clark’s instantaneous unit hydrograph developed based on 6 methods for calculation of Muskingum storage coefficient was ultimately compared with the observed average 3h-unit hydrograph of the study area. The results of the study revealed that the Clark’s instantaneous unit hydrograph obtained from graphical method for estimation of storage coefficient with estimation error of less than 33.33% and efficiency coefficient of 83% could suitably simulate different components of the observed average unit hydrograph for the study watershed.
Full-Text [PDF 213 kb]   (5972 Downloads)    
Type of Study: Research | Subject: Ggeneral
Received: 2010/12/27 | Published: 2010/10/15

Add your comments about this article : Your username or Email:
CAPTCHA

Rights and permissions
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

© 2022 CC BY-NC 4.0 | JWSS - Isfahan University of Technology

Designed & Developed by : Yektaweb