%0 Journal Article %T Evaluating the Trend of Spatial and Temporal Changes in Groundwater Quality in Jiroft Plain %J Journal of Range and Watershed Managment %I University of Tehran %Z 5044-2008 %A Soleimani, Farshad %A Brumand, Naser %A azareh, ali %D 2017 %\ 02/19/2017 %V 69 %N 4 %P 921-932 %! Evaluating the Trend of Spatial and Temporal Changes in Groundwater Quality in Jiroft Plain %K modeling %K Jiroft plain %K Groundwater %K Spatial changes %K interpolation %R 10.22059/jrwm.2017.61192 %X In recent decades, increasing population growth and development of agriculture have increased groundwater consumption and decreased the quality of groundwater resources of most parts of the country. Given the importance of this issue, present study investigates the spatial and temporal changes in parameters of calcium, magnesium, pH, chloride, sodium sulfate and water in Jiroft plain. The data was obtained from 40 wells in the region of Kerman province over which in 2002-2012 water harvesting and qualitative analysis had been done. In this regard, after normalizing the data, the accuracy of different geo-statistical methods including the Kriging and inverse distance weighted were evaluated and then the map of the spatial zoning was prepared in the software quality parameters ArcGIS9.3 using the best method of interpolation. The results showed that the amount of pH, Sodium, Chlorine, and Sulfate increased but the amount of calcium and magnesium declined. But in general, in 2012the quality of groundwater resources of Jiroft plain decreased compared to 2002 and the trend of changes showed water quality reduces toward the South and West. %U https://jrwm.ut.ac.ir/article_61192_2d709510a43dc5e8388fcc290de3f4fc.pdf