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Paper Information

Journal:   JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)   2011 , Volume 18 , Number 1; Page(s) 81 To 101.
 
Paper: 

GROUNDWATER RESOURCES POLLUTANT CONDITIONS IN GHARESOO, GOLESTAN PROVINCE

 
 
Author(s):  MEFTAH HALAGHI M.*, HEZARJARIBI A.
 
* DEPT. OF WATER ENGINEERING, GORGAN UNIVERSITY OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES
 
Abstract: 

Considering the relative good potential of ground water in Gharesoo basin, compared to surface water, quantitative and qualitative studies of ground water resources in this area is very important. Followed by the basic studies such as effective pollutant resources, the qualitative studies were done on the selected places. The test points were consisted of deep and semi-deep wells. The distribution of these stations on the basis of uniform distribution has affected the Gharesoo sub-basins and pollutant resources. Thus 57 stations were chosen for sampling. Because of small variation of qualitative parameters of ground water, sampling in both wet (Ordibehesht month) and dry periods (Mehr month) and nessesary qualitative tests of samples were done. The tests consisted of anions, cations, colliforms, EC, TDS, BOD and COD. The results indicated increased rate of pollutants toward the north west or exit point of the Gharesoo basin and this was coordinated with decreasing the depth of ground water and its direction of movement. Furthermore, in more than 90 percent of places, quality of water was suitable for agriculture and drinking. The main reasons for the low quality of water for agriculture and drinking was high EC and TDS parameters in the proximity of Gharesoo exits. On the basis of Gibbs Diagram and ratio of Ca to Mg ions (less than one), dolomite minerals are dominant.

 
Keyword(s): GHARESOO BASIN, GROUND WATER QUALITY, SCHULER DIAGRAM, WILCOX DIAGRAM, GIBBS DIAGRAM
 
References: 
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