Sensitivity analysis of the flow hydrograph components due to changes in Clark's time-area model in Mohammad-Abad watershed, Gloestan 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.

MOSTAFAZADEH RAOOF; Mirzaei Shahnaz; ESMALI ABAZAR; ZABIHI MOHSEN

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

Journal Paper

Paper Information

Journal: Iranian Journal of Soil and Water Research Year:2018 | Volume:49 | Issue:1 Page(s): 91-99

Download Full-Text

Persian Verion

View:

700

Download:

Cites:

Information Journal Paper

Title

Sensitivity analysis of the flow hydrograph components due to changes in Clark's time-area model in Mohammad-Abad watershed, Gloestan Province

Author(s)

MOSTAFAZADEH RAOOF | Mirzaei Shahnaz | ESMALI ABAZAR | ZABIHI MOHSEN | Issue Writer Certificate

Keywords

Unit HydrographQ2

Relative sensitivityQ1

Absolute sensitivityQ1

Time-area histogramQ1

Mohammad-Abad watershedQ1

Abstract

The Clark Instantaneous Unit Hydrograph is getting popular because of its easy accessible parameters and application to ungauged catchments. This study focuses on simulating the Unit Hydrograph of Mohammad-Abad watershed, Golestan Province and analysis of relative and Absolute sensitivity analysis of the Clark time-area model. The Time-area histogram of the study area were identified using dimensionless Laurenson’ s method. The instantaneous Unit Hydrograph of study area was also calculated by the Clark model and then converted to direct runoff Unit Hydrograph. The sensitivity analysis of the Clark model has been conducted by changing the input model parameters (time of concentration and storage coefficient) to obtain the relative and Absolute sensitivity of the model to estimate the Unit Hydrograph components. The observed index Unit Hydrograph were derived using S-curve method and the efficiency of Clark IUH model in predicting hydrologic watershed response hydrograph was evaluated by Nash-Sutcliffe efficiency criterion. The results showed that the model efficiency was 71% in predicting the response of Unit Hydrograph. The model sensitivity analysis indicated that the Relative sensitivity of the Clark model to storage coefficient parameter was-0. 66 in estimation of peak discharge of Unit Hydrograph. Also the Absolute sensitivity of the model was-2. 76 with respect to changes in concentration time. It can be concluded that the time of concentration was the sensitive parameter in accurate estimation of time to peak of Unit Hydrograph.

Cites

No record.

References

No record.

Cite

APA: Copy

MOSTAFAZADEH, RAOOF, Mirzaei, Shahnaz, ESMALI, ABAZAR, & ZABIHI, MOHSEN. (2018). Sensitivity analysis of the flow hydrograph components due to changes in Clark's time-area model in Mohammad-Abad watershed, Gloestan Province. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 49(1 ), 91-99. SID. https://sid.ir/paper/225829/en

Vancouver: Copy

MOSTAFAZADEH RAOOF, Mirzaei Shahnaz, ESMALI ABAZAR, ZABIHI MOHSEN. Sensitivity analysis of the flow hydrograph components due to changes in Clark's time-area model in Mohammad-Abad watershed, Gloestan Province. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2018;49(1 ):91-99. Available from: https://sid.ir/paper/225829/en

IEEE: Copy

RAOOF MOSTAFAZADEH, Shahnaz Mirzaei, ABAZAR ESMALI, and MOHSEN ZABIHI, “Sensitivity analysis of the flow hydrograph components due to changes in Clark's time-area model in Mohammad-Abad watershed, Gloestan Province,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 49, no. 1 , pp. 91–99, 2018, [Online]. Available: https://sid.ir/paper/225829/en

Related Journal Papers