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Title

Evaluation the role of mechanical structures on hydraulic and hydrologic characteristics of the watershed (Case Study: Sira-Kalvan watershed, Iran)

Year: 1400
COI: CNRE05_372
Language: EnglishView: 93
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Authors

Keivan Karimizadeh - Master of watershed management, Faculty of Natural Resources, University of Tehran, Iran.
Ali Salajegheh - Professor of Natural Resources Faculty, University of Tehran, Iran.
Mohsen Mohseni Saravi - Professor of Natural Resources Faculty, University of Tehran, Iran.
Shahram Khalighi Sigaroodi - Associate Professor of Natural Resources Faculty, University of Tehran, Iran.
Arash Malekian - Associate Professor of Natural Resources Faculty, University of Tehran, Iran.
Noredin Rostami - Assistant Professor, Department of Range and Watershed Management, Faculty of Agriculture, Ilam University, Ilam, Iran.

Abstract:

Floods are natural disasters with higher frequency and considerable damages. Structural evaluations as well as biologic measures are approaches to reduce flood and sediment load of streams. Watershed management is planning, implementation, restoration, development and optimum use of renewable natural resources. Considering the long term use of mechanical structures in Iran, their evaluation for showing their strengths and weaknesses is necessary. The first fundamental step in evaluation of watershed structures is quantifying their effects by measuring their main parameters and the level of achieving their goals. In this study the effect of check dams (drywall dams, Gabions and masonry dams) in Sira – Kalvan watershed on the stream bed slope and flow velocity, time of concentration (Tc) and lag time was evaluated. The results showed that the mechanical operations, which performed in the basin had not any considerable effects on the above mentioned parameters because of insufficient structures and lack of them in some main channels. The results also showed that watershed management projects had positive impact on the river discharge and the best results are achieved from combination of biologic and structural operations.

Keywords:

Evaluation , flood , watershed management projects , Sira – Kalvan watershed

Paper COI Code

This Paper COI Code is CNRE05_372. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1249045/

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Karimizadeh, Keivan and Salajegheh, Ali and Mohseni Saravi, Mohsen and Khalighi Sigaroodi, Shahram and Malekian, Arash and Rostami, Noredin,1400,Evaluation the role of mechanical structures on hydraulic and hydrologic characteristics of the watershed (Case Study: Sira-Kalvan watershed, Iran),Second International Conference and Fifth National Conference on Natural Resources and Environment,Ardabil,https://civilica.com/doc/1249045

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Type of center: دانشگاه دولتی
Paper count: 70,017
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