Scientific Quarterly Journal of Geosciences

Scientific Quarterly Journal of Geosciences

Investigation on Water Resources Quality by Application of GQI Index and GIS in West of Kooh-Sorkh

Document Type : Original Research Paper

Authors
S Soleymani 1
M.H Mahmudy Gharaie2 2
F Ghasemzadeh 3
A Sayyareh 4
1 M. Sc., Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
2 Assistant Professor, Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
3 Professor, Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
4 M. Sc., Geological Survey of Iran, Tehran, Iran
10.22071/gsj.2013.53601
Abstract
Water quality assessment is very important in the area where water resources are used as drinking water. Monitoring of polluted waters and its distribution are applied in water management planning. It requires information on the location, the amount and distribution of chemical parameters on the samples from studied area. Identification of contaminant type, the sites, and also optimum use of water for different purposes are helpful. Thus, for these purpose six chemical parameters of TDS، SO42-، Cl-، Na+، Mg2+، Ca2+, which are referred by WHO standard were examined to apply for GQI method by GIS. The GQI method of groundwater quality evaluated and prepared a groundwater quality map in west region of kooh-sorkh. Values of GQI index vary between 82.9% to 94.8%, which indicate the groundwater quality placed in suitable to acceptable class of quality. Groundwater quality map indicate that GQI index values reduced from lateral sides to the center of studied region. It may be affected by geological factors such as lithology, current direction and also hydrothermal system in the area.
Keywords
Groundwater quality
Hydrothermal
Kooh-Sorkh
GQI
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Scientific Quarterly Journal of Geosciences
Volume 23, Issue 89 - Serial Number 89
Vol.23, No.89
Autumn 2013
Pages 175-182