Underground Water Management through Combining Surface and Sub-surface Water Using Modflow Model in Urmia Plain

Document Type : Research Paper

Authors

1 M.Sc. Student, Department of Water Engineering, Faculty of Agriculture, University of Urmia, Urmia , Iran

2 Associate Professor, Department of Water Engineering, Faculty of Agriculture, University of Urmia, Urmia, Iran

3 Assistant Professor, Department of Water Engineering, Faculty of Agriculture, University of Urmia, Urmia, Iran

Abstract

The groundwater resources of the Urmia plain have been under intensive tension for the last recent years. This has caused the production and observation wells to become dry and in some local places well deepening to take place. In some other locations, the groundwater level is high and there is a danger of local water logging condition along with its associated drainage work. For the settlement of welfare groundwater resources, the modeling practice was used for the depiction of Urmia plain groundwater resources system reactions against different imposed management and executive scenarios. By the present work, the modeling with 28 observation wells took place for the year of 2008-2009. The comparison of calculated hydraulic head contour lines with that of the observed hydraulic head in nature showed a sound performance of the model. This made to impose and apply different scenarios in the model. To go forward, the decrement of 25 percent and the cease of pumping rate at western part of the plain caused average groundwater level rise of 0.5 to 4 meters in eastern part of the plain. This led to have an average groundwater level fall of 1 to 3.5 meters, respectively.

Keywords

Water and Irrigation Management
Volume 3, Issue 1 - Serial Number 1
Spring & Summer
September 2013
Pages 49-68

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