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Rivista di Biologia Molecolare e Biotecnologie

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Minerva Biotecnologica 2013 March;25(1):31-5

lingua: Inglese

Zonation of groundwater quality for agricultural purposes using GIS technology in Khouzestan-Avan plain

Sohrabi N. 1, Chitsazan M. 1, Mirzaf Y. 1, Bakhsha F. 2

1 Department of Hydrogeology, Shahid Chamran University, Ahwaz, Iran;
2 Department of Anesthesiology, School of Paramedical, Golestan University of Medical Sciences, Gorgan, Iran


Aim: Appreciation of hydrochemical and zonation status helps us to describe various strategies for water abstraction which has application for various purposes including agriculture. GIS can play a significant role in the analysis of suitable sites by considering the water quality requirements of agriculture and identifying and mapping locations within a region that meet these necessities. The purpose of this article is to use GIS technology for qualitative zonation of Avan groundwater resources for agricultural purposes.
Methods: Mapping groundwater quality zoning based on physico chemical data in 18 wells were Avan plain import data environments with GIS, layers and Na%, SAR, Ec and comparative RSC interpolation was prepared, according to the prepared layers Boolean logic layers to create zoning and finally the overlapping layers creation by a final map quality in terms of agricultural zoning, respectively.
Results and conclusion: Based on early plain zoning maps, approximately half of the Plains (southern part of West and North) in the category of inappropriate agricultural placed. These maps can show the locations which are suitable for agriculture and decision makers can manage the region by considering the quality of water in selected areas by updating the information.

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