Evaluation of Hydrogeochemical Characteristic of Groundwater of Romeshgan plain, Lorestan, Iran
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2015, Vol 9, Issue 6
Abstract
The Study area is located in Romeshgan plain, southwest Kuhdasht city of Lorestan province. The purpose of this research is to assessment the role of geological factors and agricultural activities on the groundwater quality in Romeshgan plain. For this purpose, groundwater sampling was collected. Electrical conductivity (EC), acidity (pH) and temperature was determined in the field. Based on EC values, Romeshgan plain was divided to three zones. The average EC value in east, central, and west of the plain are 626, 646 and 6226 micromohs/cm, respectively. The lower electrical conductivity (EC) in the east part of the plain is probably due to the recharge of the plain by limestone units. In the central zone, the higher EC values of groundwater are probably due to the high exploit of groundwater. In the west zone of the plain, the exposure of Gachsaran formation has probably led to the highest electrical conductivity (EC) of the water samples. Thus, geological factors are the main reasons for destruction of water quality in the west zone. In order to assess the influence of agricultural activities on groundwater quality, nitrate concentration of water samples was determined. The higher concentration of nitrate in central zone is mainly due to the higher agricultural activity in this part of the Romeshgan plain.
Authors and Affiliations
Ahmad Ahmadi Khalaji *| Department of Geology, Faculty of Science, lorestan University, Korramabad, Iran, email: mailto:khalagi2002@yahoo.com, Amin Rostami Zarinabadi| School of geosciences, University of Shahrood, Shahrood, Iran, Zahra Tahmasbi| Department of Geology, Faculty of Science, lorestan University, Korramabad, Iran, Zeinab Fazeli| Growth and education office of Darrehshahr province, Iran, Arash Zeinivand| Growth and education office of Darrehshahr province, Iran
Keywords
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