Investigation of the Artificial Recharge Effect by Injection Well on the Level of Unconfined Aquifer Using the MODFLOW Model (Case Study: Birjand Plain)

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POURSALEHI F.; AKBARPOUR A.; HASHEMI S.R.

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Journal: Iranian Journal of Irrigation and Drainage Year:2020 | Volume:13 | Issue:3 Page(s): 981-992

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Title

Investigation of the Artificial Recharge Effect by Injection Well on the Level of Unconfined Aquifer Using the MODFLOW Model (Case Study: Birjand Plain)

Author(s)

POURSALEHI F. | AKBARPOUR A. | HASHEMI S.R. | Issue Writer Certificate

Keywords

GMS7.1 SoftwareQ1

Injection WellQ2

MODFLOW-2000 ModelQ1

Reconstruction and Balance Production PlanQ1

Water TableQ1

Abstract

According to the reduction of water level in many aquifers of Iran due to irregular extractions from these sources, implementation of the restoration and balancing plan for aquifer management is important particularly in arid and semi-arid regions. Artificial recharge by Injection Well is one of the management strategies available in this projectthat directly stores water in aquifers. The purpose of this study was to investigate the effect of Injection Wells on the unconfined aquifer of Birjand plain using MODFLOW-2000 numerical model in unsteady state conditions andbased on injection ofthe annual runoff volume of the plain. In this regard, information about hydrodynamic characteristics of aquifer including hydraulic conductivity and specific yield, observation wells, extraction wells, aquifer surface recharge, top elevation of aquifer, bedrock and drainage was prepared then level of aquifer with The MODFLOW-2000 Model was simulated in GMS 7. 1 in steady state and saturated environment during 2010-2011. After simulation, the model was calibrated by manual calibration method and the results of steady state was entered as inputof unsteady model and was validated in the 2011-2012period. At the end, artificial recharge management scenario was added to the model by Injection Well method with using 20 wells with discharge equal to 1909. 61 m3/day in one year. The validation results show the model's ability to simulate water level under unsteady conditions. Also, simulation of artificial recharge plan with Injection Wells showed that by applying this scenario, the level of water in all observation wells will increase on average 77 cm.

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APA: Copy

POURSALEHI, F., AKBARPOUR, A., & HASHEMI, S.R.. (2020). Investigation of the Artificial Recharge Effect by Injection Well on the Level of Unconfined Aquifer Using the MODFLOW Model (Case Study: Birjand Plain). IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 13(3 ), 981-992. SID. https://sid.ir/paper/379015/en

Vancouver: Copy

POURSALEHI F., AKBARPOUR A., HASHEMI S.R.. Investigation of the Artificial Recharge Effect by Injection Well on the Level of Unconfined Aquifer Using the MODFLOW Model (Case Study: Birjand Plain). IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2020;13(3 ):981-992. Available from: https://sid.ir/paper/379015/en

IEEE: Copy

F. POURSALEHI, A. AKBARPOUR, and S.R. HASHEMI, “Investigation of the Artificial Recharge Effect by Injection Well on the Level of Unconfined Aquifer Using the MODFLOW Model (Case Study: Birjand Plain),” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 13, no. 3 , pp. 981–992, 2020, [Online]. Available: https://sid.ir/paper/379015/en

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