Hazard Assessment Of Groundwater Resourses Degradation Using a Proposed Model And Geographical Information System (GIS) In Jahrom Township

Subject Areas : WATER RESOURCES

Parviz Jokar ¹ , Masoud Masoudi ²

1 - MSc, Shiraz University, Iran
2 - Associate Professor, Department of Natural Resources and Environment, Shiraz University, Iran

Received: 2017-02-19 Accepted : 2017-05-19 Published : 2017-05-22

Keywords: water resources management, ground waters, hazard class, quantitative degradation hazard, qualitative degradation hazard,

Abstract :

Groundwater is an important source of water supply in arid and semi-arid areas. In order to optimal management of water resources, maintain and improve the quality and quantity of the location, amount and distribution of water data in a defined geographical area is required and necessary. The subject of this paper is assessing both qualitative and quantitative risk using the modified IMDPA model and geographical information system (GIS) in Jahrom Township. The purpose of this study is prepared a suitable zonation and vulnerability map of qualitative and quantitative status of groundwater in order to determine the areas with higher risk. The used parameters for qualitative and quantitative risk are included EC, CL, SAR and water table decline, respectively. The results of this study indicate that the Lowering of Water Table (quantitative status) in 40% of the plains is at severe and very severe hazard classes. The quality status of about 56% of the plains is at severe and very severe hazard classes. Overall, about 31% of the plains are in a state of severe and very severe hazard classes of ground water resources degradation.

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