Compare the now performance of irrigation and drainage network Varamin with off night scenario

Document Type : Research Paper

Authors

1 Graduated University of Tehran, College of Abureyhan, Pakdasht, Iran

2 Professor University of Tehran, College of Abureyhan, Pakdasht, Iran.

Abstract

One of the consequences of poor management and operation of irrigation systems, poor water delivery and distribution channels and divisions and consequently improper distribution of water level downstream. The study of simulation and performance evaluation software using hydrodynamic Sobek Varamin irrigation is done. In order to evaluate the network performance and compare the results of simulation, the parameters are used Molden and Gates. Simulation has been defined for the three channels degree in elementary, middle and end of irrigation network ranges, scenario for seven days and off nights. According to the results of the indicators of efficiency, adequacy, equity and reliability of the distribution network can be expressed in Varamin irrigation off night scenario is better. The result can be expressed that downstream network in the scenario of off night is better than seven days scenario and put enough water available to downstream farmers, and they can also fair to the farmers upstream, the water networks to harvesters.

Keywords

Water and Irrigation Management
Volume 4, Issue 1 - Serial Number 1
Spring & Summer
May 2014
Pages 137-147

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