ASSESSMENT OF SCS AND SNYDER UNIT HYDROGRAPHS WITH CONJUNCTION TWO LOSSES MODELS IN FLOOD ESTIMATION (CASE STUDY: ABOLABBAS WATERSHED, KHUZESTAN PROVINCE)

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

FATHI N.; BARANI GH.A.; RADMANESH F.

Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Journal of Irrigation Sciences and Engineering Year:2011 | Volume:34 | Issue:1 Page(s): 55-66

Download Full-Text

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Persian Verion

View:

1,993

Download:

Cites:

Information Journal Paper

Title

ASSESSMENT OF SCS AND SNYDER UNIT HYDROGRAPHS WITH CONJUNCTION TWO LOSSES MODELS IN FLOOD ESTIMATION (CASE STUDY: ABOLABBAS WATERSHED, KHUZESTAN PROVINCE)

Author(s)

FATHI N. | BARANI GH.A. | RADMANESH F. | Issue Writer Certificate

Keywords

LOSSQ3

HEC-HMS MODELQ2

CALIBRATEQ2

SCS UNIT HYDROGRAPHQ2

SNYDER UNIT HYDROGRAPHQ2

Abstract

Estimation of flood due to rainfall has been always a main subject in hydrology science. According to the importance of unit hydrograph for river flood forecasting and design of hydraulic structures and being not sufficient data at hydrometry stations of Khuzestan watershed, necessity of using artificial unit hydro graph for estimating of flood in rivers with no data is obvious. Moreover, because of the importance of rainfall in producing runoff, evaluation of the effect of LOSS models in production of water surface is important. In this research, two different models were evaluated: Initial- continues LOSS and SCS LOSS. So two direct runoff models include SCS and Snyder were applied for simulation of flood hydrograph due to excess rainfall. Therefore with 15 series rainfall- runoff data of Abolabbas watershed, HEC-HMS MODEL was applied to CALIBRATE and validate selective models. Three statistical indexes (mean relative error, root mean square error and coefficient of correlation) are applied to estimate the errors. The results of mean relative error of flow peak and time of flood peak in evaluation models show that the best estimation of flow peak and time of flood peak obtain in SCS LOSS model with Snyder unit hydro graph and in initial- continues LOSS model. Comparison of the average values of root mean square error show that minimum value of RMSE is related to SCS LOSS model with SNYDER UNIT HYDROGRAPH and in initial- continues LOSS with SCS UNIT HYDROGRAPH. This show that these models the best results among other models for their ability in separation of excess rainfall. Finally, the occurrences that are simulated by SCS unit hydro graph and SCS LOSS models have the best correlation with actual conditions. Therefore these methods are able to accurately simulate the flood extent within a poorly gauged basin.

Cites

No record.

References

No record.

Cite

APA: Copy

FATHI, N., BARANI, GH.A., & RADMANESH, F.. (2011). ASSESSMENT OF SCS AND SNYDER UNIT HYDROGRAPHS WITH CONJUNCTION TWO LOSSES MODELS IN FLOOD ESTIMATION (CASE STUDY: ABOLABBAS WATERSHED, KHUZESTAN PROVINCE). IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), 34(1), 55-66. SID. https://sid.ir/paper/217248/en

Vancouver: Copy

FATHI N., BARANI GH.A., RADMANESH F.. ASSESSMENT OF SCS AND SNYDER UNIT HYDROGRAPHS WITH CONJUNCTION TWO LOSSES MODELS IN FLOOD ESTIMATION (CASE STUDY: ABOLABBAS WATERSHED, KHUZESTAN PROVINCE). IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2011;34(1):55-66. Available from: https://sid.ir/paper/217248/en

IEEE: Copy

N. FATHI, GH.A. BARANI, and F. RADMANESH, “ASSESSMENT OF SCS AND SNYDER UNIT HYDROGRAPHS WITH CONJUNCTION TWO LOSSES MODELS IN FLOOD ESTIMATION (CASE STUDY: ABOLABBAS WATERSHED, KHUZESTAN PROVINCE),” IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 34, no. 1, pp. 55–66, 2011, [Online]. Available: https://sid.ir/paper/217248/en

Related Journal Papers