Management and Optimization of Combined Utilization of Water Resources to Reduce the Hashtgerd Aquifer

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Jamdar Mahsa; SARAI TABRIZI MAHDI; SAREMI ALI

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Journal: JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION Year:2019 | Volume:8 | Issue:3 Page(s): 85-101

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Title

Management and Optimization of Combined Utilization of Water Resources to Reduce the Hashtgerd Aquifer

Author(s)

Jamdar Mahsa | SARAI TABRIZI MAHDI | SAREMI ALI | Issue Writer Certificate

Keywords

withdrawal water ResourcesQ1

unconventional water resourcesQ1

IWRMQ1

Abstract

Reduction of the surface level of aquifers due to high exploitation, in addition to irreparable damage to water and soil resources, causing a crisis in strategic water resources in the future. Preservation of existing ground water resources, considering that the country is in a semi-arid region, in addition to supplying demands in the perspectives, increases the hydrogeological potential of the soil. The goal of this research is to manage and optimize the combined utilization of surface, sub-surface, and unconventional water resources in order to reduce the surface loss of Hashtgerd aquifer, based on integrated water resources management (IWRM) to supply existing demands, with the least harmful effects on the quality of ground water resources and soil potential within the scope of the plan. In this regard, first the hydroclimatology balance was calculated by the Thornth White method and use of parameters of the FAO publication and after the simulation of the area in the GIS software, during the monitoring of the behavior of piezometers at the aquifer surface and drawing a long-term unit hydrograph, the 25 year drop of Hashtgerd aquifer decline was obtained as 20. 32 meters. By modeling population growth scenarios with five-year increase rate of 3. 4% and the construction of two special wastewater refineries, one for the industrial wastewater and the other for urban and agricultural wastewater by optimizing supplying demands through systematic management of the combined use of water resources. In the WEAP model it was found in a 5 year perspective, although discharge of the aquifer to supply urban demands will increase 5. 7 million cubic meters by purifying industrial, agricultural, and urban wastewater the discharge will decrease. Also by analyzing the sensitivity of the variables in the WEAP model, it was determined that agricultural demands have the greatest impact on the aquifer decline. Therefore, with the aim of lifting thw ban of withdrawal from Hashtgerd alluvial aquifer in the modeling process, fixed agricultural demands were assumed constant. The results showed that the aquifer drop in the 5 year perspective has not only reaches zero, but also the aquifer level rises 2. 1 meters. It is suggested that by constructing industrial, urban and agricultural wastewater treatment plants, with the required standards, unconventional water resources be used as a new method to supply agricultural and industrial demands to maximize productivity in water and soil resources.

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APA: Copy

Jamdar, Mahsa, SARAI TABRIZI, MAHDI, & SAREMI, ALI. (2019). Management and Optimization of Combined Utilization of Water Resources to Reduce the Hashtgerd Aquifer. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 8(3 ), 85-101. SID. https://sid.ir/paper/232314/en

Vancouver: Copy

Jamdar Mahsa, SARAI TABRIZI MAHDI, SAREMI ALI. Management and Optimization of Combined Utilization of Water Resources to Reduce the Hashtgerd Aquifer. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2019;8(3 ):85-101. Available from: https://sid.ir/paper/232314/en

IEEE: Copy

Mahsa Jamdar, MAHDI SARAI TABRIZI, and ALI SAREMI, “Management and Optimization of Combined Utilization of Water Resources to Reduce the Hashtgerd Aquifer,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 8, no. 3 , pp. 85–101, 2019, [Online]. Available: https://sid.ir/paper/232314/en

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