Introducing an economic agricultural water distribution in a hyper-arid region: a case study in Iran | Zendy

Mehdi Yaltaghian Khiabani | Zendy; Seied Mehdy Hashemy Shahdany | Zendy; Yousef Hassani | Zendy; J. M. Maestre | Zendy

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Introducing an economic agricultural water distribution in a hyper-arid region: a case study in Iran

Author(s) -

Mehdi Yaltaghian Khiabani,

Seied Mehdy Hashemy Shahdany,

Yousef Hassani,

J. M. Maestre

Publication year - 2021

Publication title -

journal of hydroinformatics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.654

H-Index - 50

eISSN - 1465-1734

pISSN - 1464-7141

DOI - 10.2166/hydro.2021.008

Subject(s) - water scarcity , agriculture , farm water , water resources , water resource management , profit (economics) , arid , irrigation , business , economic shortage , unit (ring theory) , distribution (mathematics) , water supply , water conservation , environmental science , agricultural engineering , natural resource economics , environmental engineering , economics , engineering , geography , mathematics , ecology , archaeology , biology , microeconomics , paleontology , mathematics education , philosophy , government (linguistics) , mathematical analysis , linguistics

Operational management of agricultural water based on an economic perspective was investigated as a sustainable approach in water shortage periods. Accordingly, an automatic water distribution system was coupled with the Positive Mathematical Programming economic model for a sustainable agricultural water operation in the Roodasht irrigation network, Iran. Operational management was carried out based on the economic value of water in each irrigated unit. According to the results, the existing operating system was able to supply 71 and 22% of farmers’ water requirements under normal and water shortage conditions, respectively. However, employing the proposed automated operational-economic approach reduced water consumption by 14.3%, while maintaining the cultivation area by 11% and increasing farmers’ net profit to 840,000 USD under water scarcity. The economic operation can reduce water losses, implement economic strategies in those districts without water marketing mechanisms, and provide sustainable management of limited water resources in hyper-arid regions.

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