Volume 5, Issue 10 (1-2015)
J Watershed Manage Res 2015, 5(10): 144-156 |
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(2015). Investigation on Trend of Groundwater Quantity-Quality Variation in Amol-Babol Plain. J Watershed Manage Res. 5(10), 144-156.
URL: http://jwmr.sanru.ac.ir/article-1-419-en.html
URL: http://jwmr.sanru.ac.ir/article-1-419-en.html
Abstract: (7397 Views)
Area of land under irrigation has increased in the last decade due to the increasing population, need plenty of food and lack of surface water resources, this policy has changed soil and water uses. Rainwater enters soil through tracks and pores in soil surface and as hit to impervious layer make groundwater table. In previous years drought caused severe decrease in surface water resources and increasing use of groundwater which resulted in water table drawdown and decline of groundwater quality. Considering these points, and groundwater importance and role, groundwater quantity variation during 1998, 2002 and 2007 and qualitative factors changes include EC, Cl, Hco3, K, Mg, Na, So4, TDS, TH, pH and at the beginning and end of the period were studied in a part of Babol-Amol plain located in Caspian Sea Basin with GIS techniques and changes in each of the qualitative factors were determined with using Mann-Kendall exam. For groundwater quality data of 10 parameters including. The results show that water table drawdown is not considerable and there is relative improvement in water quality.
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