Volume 24, Issue 1 (Spring 2020)                   JWSS 2020, 24(1): 27-43 | Back to browse issues page

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Hassani Y, Hashemy Shahdany S M, Zahraei B. Developing A New Operation-Economic Framework for Irrigation Networks without Water Market. JWSS. 2020; 24 (1) :27-43
URL: http://jstnar.iut.ac.ir/article-1-3846-en.html
2. Irrigation Engineering Department, College of Aburaihan, University of Tehran, Tehran, Iran. , mehdi.hashemy@ut.ac.ir
Abstract:   (1063 Views)
This study focused on proposing a new operational perspective within main and lateral irrigation canals based on the economic value of water. To achieve this objective, the operation-economic framework offered in this study consisted of two main components of the PMP model and Operation model. The estimated economic values of water in different regions of the network were employed as the starting point for connecting the economic model with the operation model. It is worth mentioning that the technical perspective targeting adequacy of water distribution within the canals was modified in this study to be applied for the operation-economic framework since the original forms of the indicator were based on physical inherent of the water. Roodasht Irrigation District, located at Zayandeh-Rud basin, was selected as the case study, and the proposed framework was tested on the district. The obtained results revealed that in response to implementing the proposed framework in water distribution within the canal under the water shortage condition, alfalfa and safflower were the two crops those cultivation was decreased drastically in comparison with the other crops. The primary reason for the decrease was the lower values of the economic value of water for these two crops. Also ,the results of the canal operation appraisal from the adequacy of water delivery revealed that for the traditional operating system (without considering the economic perspective), the maximum values of the adequacy indicator were obtained for the upstream four canal reaches. On the other hand, the off-takes numbers of 1, 6, 5, and 12 got the maximum values of the adequacy indicator when the proposed operation-economic framework was applied for the canal system.
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Type of Study: Research | Subject: Ggeneral
Received: 2019/02/12 | Accepted: 2019/06/19 | Published: 2020/05/30

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