ASSESSMENT OF WATERSHED MANAGEMENT ACTIVITIES ON TIME OF CONCENTRATION AND CURVE NUMBER USING HEC-HMS MODEL (CASE STUDY: KAN WATERSHED, TEHRAN)

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ABBASI M.; MOHSENI SARAVI M.; KHEIRKHAH M.M.; KHALIGHI SIGAROUDI SH.; ROSTAMIZAD GH.; HOSSEINI M.

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Journal: Journal of Range and Watershed Managment Year:2010 | Volume:63 | Issue:3 Page(s): 375-385

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Title

ASSESSMENT OF WATERSHED MANAGEMENT ACTIVITIES ON TIME OF CONCENTRATION AND CURVE NUMBER USING HEC-HMS MODEL (CASE STUDY: KAN WATERSHED, TEHRAN)

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Keywords

WATERSHED MANAGEMENTQ2

ASSESSMENTQ3

FLOOD SIMULATIONQ3

HEC-HMSQ1

KAN WATERSHEDQ3

Abstract

Assessment of WATERSHED MANAGEMENT activities is one of the main subjects for future planning of practical projects and natural resources management. Due to the lack of any tool for ASSESSMENT of watershed processes in many cases, distributed hydrological models can be useful. The purpose of this study was evaluation of WATERSHED MANAGEMENT activities in KAN WATERSHED by HEC-HMS (Hydrologic Modeling System). For this purpose, first by considering observed events, HEC-HMS model was optimized and calibrated. Then, for evaluating the effects of check dams on time of concentration, it was calculated before and after of check dam's construction by use of field observations and vegetation cover improvement was also estimated after the project. These parameters were imported to HEC-HMS to find out the effects of watershed practices and then flooding condition was simulated. For ASSESSMENT purposes, peak discharge and flood volume were calculated for “before” and “after” construction conditions. Results showed that check dams as mechanical measures had low effect on time of concentration while biological practices lead to decrease in curve number with an average value of 3.1. This effects result in decrease of peak flow and flood volume meanly 21% and 11%, respectively.

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APA: Copy

ABBASI, M., MOHSENI SARAVI, M., KHEIRKHAH, M.M., KHALIGHI SIGAROUDI, SH., ROSTAMIZAD, GH., & HOSSEINI, M.. (2010). ASSESSMENT OF WATERSHED MANAGEMENT ACTIVITIES ON TIME OF CONCENTRATION AND CURVE NUMBER USING HEC-HMS MODEL (CASE STUDY: KAN WATERSHED, TEHRAN). JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), 63(3), 375-385. SID. https://sid.ir/paper/162487/en

Vancouver: Copy

ABBASI M., MOHSENI SARAVI M., KHEIRKHAH M.M., KHALIGHI SIGAROUDI SH., ROSTAMIZAD GH., HOSSEINI M.. ASSESSMENT OF WATERSHED MANAGEMENT ACTIVITIES ON TIME OF CONCENTRATION AND CURVE NUMBER USING HEC-HMS MODEL (CASE STUDY: KAN WATERSHED, TEHRAN). JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2010;63(3):375-385. Available from: https://sid.ir/paper/162487/en

IEEE: Copy

M. ABBASI, M. MOHSENI SARAVI, M.M. KHEIRKHAH, SH. KHALIGHI SIGAROUDI, GH. ROSTAMIZAD, and M. HOSSEINI, “ASSESSMENT OF WATERSHED MANAGEMENT ACTIVITIES ON TIME OF CONCENTRATION AND CURVE NUMBER USING HEC-HMS MODEL (CASE STUDY: KAN WATERSHED, TEHRAN),” JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 63, no. 3, pp. 375–385, 2010, [Online]. Available: https://sid.ir/paper/162487/en

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