Volume 3, Issue 4 (6-2014)                   DEEJ 2014, 3(4): 91-102 | Back to browse issues page

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tabatabaeifar M, zehtabian G, rahimi M, khosravi H, nikoo S. Investigation of Temporal and Spatial Variation of Groundwater Quality and Quantity in Garmsar Plain. DEEJ. 2014; 3 (4) :91-102
URL: http://deej.kashanu.ac.ir/article-1-65-en.html

Groundwater resources as one of the most important sources of water needed for agriculture, industry and drinking is important, that are encountered With different risks such as level fall, reduced feed rate due to lack of rainfall and contaminants normal and abnormal. This study was conducted in Garmsar alluvial plain in Semnan province. According to the research purposes, process and effect of variations underground water table fluctuations, in the 4 periods, 1995-1997, 1997-2003, 2003-2009 and 2010-2012 were investigated in 75 wells. For investigate process effects of variations water quality parameters including EC and SAR, Results of chemical analysis of 52 wells in the second periods, 2003-2009 and 2010-2012 were evaluated and analyzed. In order to quantify the properties of water zonation software was used the method of IDW with a power of 1 to 5, and Geostatistical methods (Kriging and Cokriging) and Surfer8 ArcGIS. For investigate process and variations in the underground water table fluctuations in water quality parameters, was used from Classification and rate of IMDPA desertification model. Results show that groundwater level drop in the periods 1995-1997, 1997-2003, 2003-2009 and 2010-2012 respectively are 1.05, 8.2, 4.27 and 5.34 meters and decrease groundwater in Garmsar Plain. An average of 0.99 cm or in other word we are facing equal to 1 meter drop Groundwater in Garmsar plain. We used Wilcox classification to determine the level and types of water quality.According to results, based on quantitative parameters of EC and SAR are in C4S1 category.

Type of Study: Research | Subject: Special
Received: 2013/08/6 | Accepted: 2014/02/25 | Published: 2014/06/20

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