Volume 14, Issue 3 (10-2018)                   HSR 2018, 14(3): 390-395 | Back to browse issues page


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Abdolahnejad A, Shirdel E, Raesivand S, Ebrahimi A, Jafari N. Surveying and Zoning of Nitrate Concentration in Groundwater Resources in Freidan Township, Iran, Using Geographic Information System (GIS). HSR 2018; 14 (3) :390-395
URL: http://hsr.mui.ac.ir/article-1-1035-en.html
1- PhD Candidate, Environmental Science and Technology Research Center AND Department of Environmental Health Engineering, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2- Khansar Health Center, Isfahan University of Medical Sciences, Isfahan, Iran
3- Freidan Health Center, Isfahan University of Medical Sciences, Isfahan, Iran
4- Associate Professor, Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences , Isfahan , Iran
5- PhD Candidate, Student Research Committee AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences , Isfahan , Iran
Abstract:   (976 Views)
Background: The high consumption of nitrogen-containing fertilizers in agricultural lands of Freidan Township, Iran, is resulted to increasing of the nitrate concentration in drinking water in some of the underground water wells, even higher than allowed amount. Therefore, the aim of this study was to survey and zone nitrate concentration in groundwater resources in Freidan using the geographic information system (GIS).Methods: In this was an analytical-cross sectional study, nitrate concentration was determined using spectrophotometry according to standard method, and compared with World Health Organization (WHO) guideline (50 mg/l). Then, zoning of nitrate concentration in groundwater resources of Freidan was investigated using Inverse Distance Weighting (IDW) and Kriging methods via ArcGIS software.Findings: In half of the wells in Freidan, nitrate concentration was higher than the WHO guideline. Moreover, nitrate concentration zoning by GIS in groundwater resources showed that the wells with high nitrate were located in central and southern regions of Freidan.Conclusion: Improper irrigation methods and excessive use of nitrogen fertilizers by untrained farmers can increase nitrate in groundwater resources. So, arrangements for farmers training related to reduction of these fertilizers consumption should be considered. 
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Type of Study: Research | Subject: education health and promotion
Received: 2020/07/16 | Accepted: 2018/10/15 | Published: 2018/10/15

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