THE EFFECT OF WATERSHED MANAGEMENT MEASURES ON FLOOD MITIGATION USING MATHEMATICAL MODEL HEC-HMS (CASE STUDY: TEZERJAN WATERSHED, YAZD)

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DEHGHANI FIROUZABADI NAJMEH; JAMALI ALI AKBAR; HASANZADEH NAFOOTI MOHAMMAD

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Journal: GEOGRAPHIC SPACE Year:2014 | Volume:14 | Issue:47 Page(s): 163-182

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Title

THE EFFECT OF WATERSHED MANAGEMENT MEASURES ON FLOOD MITIGATION USING MATHEMATICAL MODEL HEC-HMS (CASE STUDY: TEZERJAN WATERSHED, YAZD)

Author(s)

DEHGHANI FIROUZABADI NAJMEH | JAMALI ALI AKBAR | HASANZADEH NAFOOTI MOHAMMAD | Issue Writer Certificate

Keywords

FLOOD ASSESSMENTQ2

HEC-HMS MODELQ2

RAINFALL-RUNOFF PROCESSQ2

TEZERJAN WATERSHEDQ2

Abstract

Quantitative assessment of watershed management activities in order to analyze of impact and their improve decision making on the correct implementation of these activities are necessary. This study was evaluated the effect of watershed management activities on flood in the TEZERJAN WATERSHED by using the HEC-HMS MODEL. This research done for the comparison of discharge variations before and after watershed management activities. To determine the effects of mechanical and biological activities, the computed concentration time, and Curve Number (CN) was evaluated in the field. Validation and calibration were done with observed data, and flood hydrograph was simulated with return periods of 2 till 1000 years before and after the structures operation. Based on the simulation results, the effect of mechanical and biological activities and combinedactivities on reduction of their peak discharges was 6.44%, 0.66% and 7.19%, respectively. On the other hand, by increasing the return period, structure effects on the reduction of peak discharge was decreased. The effect of biological activities was more important on return periods till 10 years. Combination of mechanical and biological activities had most effect on the reduction of peak discharge.

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APA: Copy

DEHGHANI FIROUZABADI, NAJMEH, JAMALI, ALI AKBAR, & HASANZADEH NAFOOTI, MOHAMMAD. (2014). THE EFFECT OF WATERSHED MANAGEMENT MEASURES ON FLOOD MITIGATION USING MATHEMATICAL MODEL HEC-HMS (CASE STUDY: TEZERJAN WATERSHED, YAZD). GEOGRAPHIC SPACE, 14(47), 163-182. SID. https://sid.ir/paper/91454/en

Vancouver: Copy

DEHGHANI FIROUZABADI NAJMEH, JAMALI ALI AKBAR, HASANZADEH NAFOOTI MOHAMMAD. THE EFFECT OF WATERSHED MANAGEMENT MEASURES ON FLOOD MITIGATION USING MATHEMATICAL MODEL HEC-HMS (CASE STUDY: TEZERJAN WATERSHED, YAZD). GEOGRAPHIC SPACE[Internet]. 2014;14(47):163-182. Available from: https://sid.ir/paper/91454/en

IEEE: Copy

NAJMEH DEHGHANI FIROUZABADI, ALI AKBAR JAMALI, and MOHAMMAD HASANZADEH NAFOOTI, “THE EFFECT OF WATERSHED MANAGEMENT MEASURES ON FLOOD MITIGATION USING MATHEMATICAL MODEL HEC-HMS (CASE STUDY: TEZERJAN WATERSHED, YAZD),” GEOGRAPHIC SPACE, vol. 14, no. 47, pp. 163–182, 2014, [Online]. Available: https://sid.ir/paper/91454/en

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