Applying the management scenarios in prediction of groundwater level fluctuations by using the conceptual and mathematical MODFLOW model (Case study: Khezel-Nahavand Plain)

Document Type : Research Article


1 Department of Water Engineering, Razi University, Kermanshah

2 M.Sc of Water Resource Engineering, Razi University


Groundwater resources are the main source of water supply in many arid countries such as Iran. Because of uncontrolled increasing of the population, limitation of surface water resources and excessive extraction from aquifers, sharp drop in groundwater level in many plains such as Khezel plain located in Hamedan province was occurred. Khezel plain is important because of strategic crop farming and water supply for the region. so needs serious qualitative and quantitative studies on its groundwater resources. In this study quantitative model of the aquifer was prepared with MODFLOW code. By the trial and error method the model was first calibrated in the both conditions: steady flow condition for October 2006 and unsteady flow condition from September 2006 to July 2007 then validated in October 2008. During the model calibration in steady condition, hydraulic conductivity of aquifer material and conductance coefficient of rivers bed and general head boundaries were optimized. On the other hand, specific yield and specific storage coefficients of the aquifer material were elevated through the model calibration in unsteady condition. After the model validation and confidence to the model result the water level fluctuations was predicted for one, three and 10 year later in two approaches: current conditions and applying the management scenario by 10% reduction in discharge of pumping wells. The results showed that, the most amount of ground water level drop occurs in the northeast area of the plain. The amounts of this water level drop were calculated 1.82, 3.6 and 8.2 meters for one, three and 10 years later respectively. But with applying the management scenario, the amounts of water level drop were calculated 0.52, 2.7 and 7.07 meters for the mentioned years.


Main Subjects

 [1]. Alizadeh A. Principles of Applied Hydrology. 23. Astan Qods Razavi press: Imam Reza university of Mashhad; 2010 (In Persian).
[2]. Ghafarian Sayeli A. Simulation of groundwater level fluctuations by using MODFLOW code and prediction of land subsidence in the Kashmar plain. Msc thesis, Ferdowsi University of Mashhad. 2013; (In Persian).
[3]. Ghobadian R, Fattahi Chaghabagi A, Zare M. the impact of construction the irrigation and drainage network the Gavoshan dam on Plain Miandarband Kermanshah water resources by using GMS 6.5.Journal of water research in agriculture. 2014; 28(4) 759-772 (In Persian).
 [4]. Karay G, Hajnal G.Modelling of groundwater flow in fractured Rocks.7th Groundwater Symposium of the International Association for Hydro-Environment Engineering and Research (IAHR).Procedia Environmental Sciences.2015;25: 142-149.
[5]. Kardavani P. Geohydrology. 2. University of Tehran press: University of Tehran; 2006 (In Persian).
[6]. Kim J, sultan M.Assessment of long-term hydrologic impacts of Lake Nasser and related irrigation projects in Southwestern Egypt. Journal of hydrology.2002; 262(1-4):68-83.
[7]. Lu C, Chen Y, Zhang C, Luo J.Steady-state freshwater–seawater mixing zone in stratified coastal aquifers. Journal of Hydrology.2013; 505: 24-34.
[8]. Mahmoodian Shooshtari M. Hydraulics of Groundwater. 1. University of Chamranpress: University of Chamran; 2010 (In Persian).
[9]. Nguyen TT, Tsujimura M, Naoaki S.Groundwater flow modeling: considering water use in Tay island, dong Thap Province, Shouthwest Vietnam. The 3th International Conference on Sustainable Future For Human security SUSTAIN.2012,3-5 November 2012, Clock Tower Centennial Hall, Kyoto University, JAPAN. Procedia Environmental Sciences.2013; 17: 211-220.
[10]. Nikbakht J, Najib Z.Effect of irrigation efficiency increasing on groundwater level fluctuations (Cast study: Ajab-Shir Plain, East Azarbaijan). Journal of Water and Irrigation Management (Journal of Agriculture). 2015; 5(1) 115-127(In Persian).
[11]. Panahi M, Misaghi F, Asgari P. Investigate of groundwater level fluctuations by using GMS. 2nd international conference on sustainable development, approaches & challenges with a focus on agriculture, environment and tourism. 23-25 Feb. 2016, Tabriz- Iran.
[12]. Poormohammadi S, dastorani MT, Jafari H, Rahimian MH, Goodarzi M, Mesmarian Z, et al. The groundwater balance analysis in Tuyserkan-Hamedan plain, by using the mathematical model MODFLOW. The Journal of ECO HYDROLOGY. 2016; 2(4): 371-382 (In Persian).
[13]. Pourhaghi A, Akhondali AM, Radmanesh F, Mirzaee SY. Manage the Groundwater Sources Exploration of the Nourabad Plain in the Drought Conditions with MODFLOW Modeling. Journal of Irrigation of Science and Engineering. 2014; 37(2) 71-82 (In Persian).
[14]. Rabinson MA,Reay WG.Groundwater Flow Analysis of a Mid- Atlantic Outer Coastal Plain Watershed. Virginia. U.S.A. Groundwater.2002;40(2): 123-131.
[15]. Reico B, Ibanez J, Rubio F, Criado JA.A decision support system for analysing the impact of water restriction policies. Decision Support Systems.2005; 39(3): 385-402.
 [16]. Şengör SS, Ünlü K.Modeling contaminant transport and remediation at an acrylonitrile spill site in Turkey.Journal of Contaminant Hydrology.2013;150: 77-92.
[17]. Shayannejad M, Abedi MH. The impact of artificial recharge in the optimal exploitation of water resources. Proceeding of the first regional conference for optimal exploitation of water resources of Karun river and Zayanderud river basins, Shahrekord, Shahrekord university. 2006; (In Persian).
[18]. Surinaidu L, Gurunadha VVS, Rao N, Rao S, Srinu S.Hydrogeological and groundwater modeling studies to estimate the groundwater inflows into the coal mines at different mine development stages using MODFLOW, Andhra Pradesh, India. Water Resources and Industry.2014; 7(8): 49-65.
[19]. The report of the suggest ban on the Nahavand groundwater. Hamedan Regional Water Authority. 2007; (In Persian).
[20]. Wang S, Shao J, Song X, Zhang Y, Huo Z, Zhou X.Application of MODFLOW and geographical information system to groundwater flow Simulation in North Plain, China.Journal of Environmental Geology.2008; 55(7): 1449-1462.
[21]. Yaouti FEl, Madour AEl, Khatach D, Kaufmann o.Modeling Groundwater Flow And Advective Contaminate Transport In The BOU-AREG Unconfined Aquifer.Journal of Hydro-Enviroment Research. 2008; 2(3): 192-209.
 [22]. Yidana SM, Chegbeleh LP.The hydraulic conductivity field and groundwater flow in the unconfined aquifer system of the Keta Strip, Ghana.Journal of African Earth Sciences.2013; 86: 45-52.