Paper Information

Journal:   JOURNAL OF SAFETY PROMOTION AND INJURY PREVENTION   WINTER 2016 , Volume 3 , Number 4; Page(s) 233 To 242.
 
Paper: 

ZONING OF NITRATE IN WATER SOURCES OF ESLAMSHAHR CITY USING GEOGRAPHIC INFORMATION SYSTEM DURING 2010-2015

 
 
Author(s):  MASSOUDINEJAD M.R., FAROKHNIA M.*
 
* DEPARTMENT OF ENVIRONMENTAL HEALTH ENGINEERING, SCHOOL OF HEALTH, SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IRAN
 
Abstract: 

Background and Objectives: Nitrate is one of the pollutants of groundwater resources which are mainly associated with agricultural and wastewater disposal areas. The aim of this study was to determine the Zoning of Nitrate in water sources of Eslamshahr city using Geographic Information System during 2010-2015 and investigation of contaminant’s in the region’s aquifer.
Materials and Methods: This cross-sectional study was carried out on 50 sources of Eslamshahr drinking water. The results of 6 years, Archived in Water and sewage company, were analyzed with GIS software version 9.3 and SPSS version 16, using one way ANOVA test. The sampling and measurements also were performed by the researchers based on the Standard method book.
Results: The best method of interpolation for nitrate due to the normal distribution of data was ordinary Kriging and the Gaussian model. The highest values of nitrate in most points are related to the western parts based on maps. One way ANOVA test showed there is a significant difference between the average amount of Nitrate in different years (2010-2015) (P.Value<0.001), but statistical significant difference not observed between the average of the results of verification and different years (except for year of 1389 (P.Value<0.001). The average of nitrate in all years was significantly lower than the international standard of 50 milligrams per liter (P<0.001).
Conclusion: According to the results, In order to prevent the increase of nitrate in the water sources, doing of some actions such as Privacy wells, the use of river water for agriculture and construction of wastewater treatment plant seems to be necessary.

 
Keyword(s): NITRATE, GEOGRAPHIC INFORMATION SYSTEM, ZONING, AQUIFER
 
References: 
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