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Paper Information

Journal:   JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)   JANUARY-FEBRUARY 2017 , Volume 30 , Number 6 ; Page(s) 1773 To 1786.
 
Paper: 

THE EVALUATION OF GROUNDWATER SUITABILITY FOR IRRIGATION AND CHANGES IN AGRICULTURAL LAND OF GARMSAR BASIN

 
 
Author(s):  BAKHSHANDEHMEHR L.*, YAZDANI M.R., ZOLFAGHARI A.A.
 
* DESERTIFICATION COMBATING DEPARTMENT, SEMNAN UNIVERSITY
 
Abstract: 

Introduction: In recent years, due to the reduction in surface water, utilization of groundwater has been increased to meet the growing demand of irrigation water. The quality of these water resources is continually changing, due to the geological formations, the amount of utilization, and climatic parameters. In many developing countries, the irrigation water is obtained from poor quality groundwater resources, which in turn, creates unfavorable circumstances for plant growth and reduces the agricultural yield. Providing adequate water resources for agricultural utilization is one of the most important steps needed to achieve the developmental targets of sustainable agriculture. Thus, this necessitates the assessment and evaluation of the quality of irrigation water. There are many proposed methods to determine the suitability of water for different applications, such as Piper, Wilcox, and Schoeller diagrams. Zoning of quality and suitability of irrigation water could represent the prone and critical areas to groundwater exploitation. Garmsar alluvial fan is one of the most sensitive areas in the country where traditional agriculture practices had turned into modern techniques and excessive exploitation of groundwater has caused an intensepressure on aquifers and increased water salinity. The aim of this study is to evaluate the suitability of groundwater for irrigation in a 10-year period (2002-2012) and its changes in this basin.

 
Keyword(s): ELECTRICAL CONDUCTIVITY, GEO-STATISTICS, GROUNDWATER QUALITY, KRIGING, SODIUM ABSORPTION RATIO
 
References: 
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