SIMULATION AND PREDICTION OF THE UNIT HYDROGRAPH OF EYVANEKEY AQUIFER

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NASSERY H.R.; NAZARI R.

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Journal: Researches in Earth Sciences Year:2011 | Volume:2 | Issue:5 Page(s): 70-87

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Title

SIMULATION AND PREDICTION OF THE UNIT HYDROGRAPH OF EYVANEKEY AQUIFER

Author(s)

NASSERY H.R. | NAZARI R. | Issue Writer Certificate

Keywords

UNIT HYDROGRAPHQ2

FLOW BUDGETQ2

HYDRAULIC PARAMETERQ2

EYVANEKEY AQUIFERQ2

MODELINGQ2

PREDICTIONQ2

Abstract

Groundwater MODELING is widely used as a management tool to understand the behavior of aquifer systems under different hydrological stresses. Eyvanekey alluvial aquifer, which is 126 square kilometers FLOW BUDGET boundaries, is one of the main aquifer in Semnan province. Indiscriminate exploitation of groundwater in recent years led to a water table shortage in this aquifer. In this study to acquire the aquifer HYDRAULIC PARAMETERs, PREDICTION the water table and the FLOW BUDGET of the aquifer, the MODELING approach was used by GMS interface. Model calibrated for steady state in a period of one month (Sep. 2008), and for a period of 12 months (2008-2009 water year) for the transient state, using a hydraulic load for the existing wells in plain view, and calibrating in this way, S, and K values were optimized. The verification process, confirms the validity of the results for unsteady conditions. After the model calibration and verification, water table of the pizometers to September 2013 was predicted. The results show that the current trend of declining aquifer will be continued and at the end of the forecast (Sep. 2013), the water level of the hydrograph represents nearly 898.5 m and in proportion to September 2008 will be decrease 8.3 m. The FLOW BUDGET result shows that most with drawal is done by extraction wells in spring and summer. The aquifer reservoir deficit is about five million cubic meters during simulation period (87-88).

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APA: Copy

NASSERY, H.R., & NAZARI, R.. (2011). SIMULATION AND PREDICTION OF THE UNIT HYDROGRAPH OF EYVANEKEY AQUIFER. RESEARCHES IN EARTH SCIENCES, 2(5), 70-87. SID. https://sid.ir/paper/207423/en

Vancouver: Copy

NASSERY H.R., NAZARI R.. SIMULATION AND PREDICTION OF THE UNIT HYDROGRAPH OF EYVANEKEY AQUIFER. RESEARCHES IN EARTH SCIENCES[Internet]. 2011;2(5):70-87. Available from: https://sid.ir/paper/207423/en

IEEE: Copy

H.R. NASSERY, and R. NAZARI, “SIMULATION AND PREDICTION OF THE UNIT HYDROGRAPH OF EYVANEKEY AQUIFER,” RESEARCHES IN EARTH SCIENCES, vol. 2, no. 5, pp. 70–87, 2011, [Online]. Available: https://sid.ir/paper/207423/en

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