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Razzaghi Rezaieh, Ailar, Ahmadi, Hojjat, Hessari, Behzad, Haghdoust, Nour Ali. (1403). Environmental Flow Assessment of Rivers using Ecohydrology Methods (Case study: Mahabad Chay, Lake Urmia Basin). پژوهش های میوه کاری, 1(1), 12-19. doi: 10.30466/jwec.2025.121596
Ailar Razzaghi Rezaieh; Hojjat Ahmadi; Behzad Hessari; Nour Ali Haghdoust. "Environmental Flow Assessment of Rivers using Ecohydrology Methods (Case study: Mahabad Chay, Lake Urmia Basin)". پژوهش های میوه کاری, 1, 1, 1403, 12-19. doi: 10.30466/jwec.2025.121596
Razzaghi Rezaieh, Ailar, Ahmadi, Hojjat, Hessari, Behzad, Haghdoust, Nour Ali. (1403). 'Environmental Flow Assessment of Rivers using Ecohydrology Methods (Case study: Mahabad Chay, Lake Urmia Basin)', پژوهش های میوه کاری, 1(1), pp. 12-19. doi: 10.30466/jwec.2025.121596
Razzaghi Rezaieh, Ailar, Ahmadi, Hojjat, Hessari, Behzad, Haghdoust, Nour Ali. Environmental Flow Assessment of Rivers using Ecohydrology Methods (Case study: Mahabad Chay, Lake Urmia Basin). پژوهش های میوه کاری, 1403; 1(1): 12-19. doi: 10.30466/jwec.2025.121596

Environmental Flow Assessment of Rivers using Ecohydrology Methods (Case study: Mahabad Chay, Lake Urmia Basin)

Water and Environmental Challenges
دوره 1، شماره 1، فروردین 2025، صفحه 12-19    اصل مقاله (579.83 K)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.30466/jwec.2025.121596
نویسندگان
Ailar Razzaghi Rezaieh1؛ Hojjat Ahmadi* 2؛ Behzad Hessari3؛ Nour Ali Haghdoust1
1Department of Water Engineering, Urmia University
2Department of Water Eng. Urmia University
3Associate Professor of Water Engineering Department, Urmia University Urmia - IRAN.
چکیده
This study aimed to estimate the minimum environmental flow (EF) of the Mahabad-Chay River, located south of Lake Urmia. The research focused on two main tributaries, Bytas and Koter, as well as the mainstream Gerd-Yaghub. The EF demand for the river was assessed and compared using five hydrological methods, leading to the selection of the most appropriate method. The minimum EF requirements were estimated to be 0.35 m³/s for Bytas, 1.17 m³/s for Koter, and 1.15 m³/s for Gerd-Yaghub. Additionally, the annual average flows were recorded as 1.73 m³/s, 6.17 m³/s, and 4.42 m³/s at the Bytas, Koter, and Gerd-Yaghub hydrometric stations, respectively. Based on these results, the Flow Duration Curve (FDC) shifting method at class C was recommended as the best approach for estimating the minimum EF for the Mahabad-Chay River due to its requirement for fewer data and its ability to rapidly analyze accessible data compared to other methods.
کلیدواژه‌ها
Hydrometric Station؛ FDC-shifting؛ DRM؛ Tributaries
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