Comprehensive dynamic modeling of water resources under environmental-economic scenarios in the Sistan region

Authors
Fahimeh Bazi 1
Ali Sardar Shahraki 2
Mahmood Hashemi Tabar 3
Neda Aliahmadi 4
1 PhD student in Agricultural Economics, Department of Agricultural Economics, University of Sistan and Baluchestan, Zahedan, Iran.
2 Associate Professor of Agriculture Economics, Faculty of Management and Economic, University of Sistan and Baluchestan Zahedan, Iran
3 Assistant Professor of Agricultural Economics, Department of Agricultural Economics, University of Sistan and Baluchestan, Zahedan, Iran
4 PhD in Agricultural Economics, Department of Agricultural Economics, University of Sistan and Baluchestan, Zahedan, Iran.
10.22034/wmji.2025.2046476.1091
Abstract
Water resources available to humans in various parts of the world have been widely exploited and the ever-increasing population growth, climate variability and the need for abundant food have put a lot of pressure on this vital resource. Currently, water shortage is one of the major challenges in most countries. The current research in Sistan region has investigated the comprehensive economic modeling of water resources under environmental scenarios in a 31-year horizon (2006-2036) using the system dynamics method and software (DSS Vensim). The results of the research showed that the amount of demand in the agricultural sector in 2015 increased from 16033 to 20412 m3, and the highest amount of demand is related to the drinking and agricultural sectors. Increasing irrigation efficiency is effective in reducing the water demand of the agricultural sector and reducing the water shortage. The implementation of the scenario of the development of the cultivated area in the horizon of 1415, the supply of agricultural products has increased by 1596 tons in 1415. Water demand in the agricultural sector has decreased by 16033 and 7465 in 1402 and 1415.
Keywords
Dynamic Modeling
Economic environmental scenario
Sistan Region
Water Resources
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