Volume 18, Issue 67 (Spring 2014)                   jwss 2014, 18(67): 59-68 | Back to browse issues page

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Khanamani A, Dodangeh E, Soleymani F, Karimzadeh H, Soltani S. Changes Trend of Some Chemical Characteristics of Groundwater in Segzi Plain from 1995 To 2008. jwss 2014; 18 (67) :59-68
URL: http://jstnar.iut.ac.ir/article-1-1782-en.html
, khanamani@gmail.com
Abstract:   (10093 Views)
Underground water resources considered as a major source of fresh water. Increasing need to water in Iran, causing to immensely utilization and ground water balance disorder, so that state of ground water in many of area is negative.The purpose of this study is to investigate the trend of changes in some of the characteristics of groundwater during the period 1374 to 1387 is Segzi plain. For this purpose, data gathered from the Organization of regional water and homogenous test with Tom test (Run-test) at 95% confidence level was performed on the data. The independence of data evaluated by time series auto correlated functions (ACF), to do this, the amount of auto correlated data computed in different time delays and finally Mann- Kendall test used to evaluate the trend of time series properties in groundwater. The results of Run-Test showed that all of used series in this study were homogenous (P value< 0.05). The result of trend analysis test for region’s wells showed a significant increase in chlorine in underground water resources (P value< 0.05). Calcium has an increasing Trend too about 3 units. Results also showed that all used series in this study are random and Mann- Kendall trend analysis test can be an appropriate for trend evaluating in data series. As regard to irregular utilization of underground water resources by increasing depth of water level, amount of different salts such as chlorine and sodium increased, that causing to surface source degradation like soil and plant cover in agricultural area.
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Type of Study: Research | Subject: Ggeneral
Received: 2011/11/12 | Accepted: 2013/08/7 | Published: 2014/06/2

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