Improvement of SINTACS Method Using Analytical Hierarchy Process in Geographic Information System Environment to Evaluate Aquifer Vulnerability (Case Study: Andimeshk Plain)

Document Type : Original Article

Authors

1 MSc in Environmental Engineering, Shahid Chamran University of Ahwaz

2 Asistant Prof, Dep. of Hydrology and Water Resources, Shahid Chamran University of Ahvaz, Iran.

Abstract

Population growth, industrialization and the development of agricultural activities are the causes of increasing municipal and industrial wastewaters and irregular use of fertilizers and pesticides, and consequently the contamination of groundwater resources. Since the main problem with SINTACS models, applies expertise rating parameters to be used in it, in this study, the model using Analytical Hierarchy Process based on local hydrogeological conditions were indeed improvement. To achieve efficient models, the correlation coefficients between nitrate concentrations in the aquifer vulnerability index as an indicator of contamination were determined using Simple Linear Regression Analysis (SLRA). The results showed that the optimal model SINTACS than model the normal SINTACS is correlated with higher nitrate concentrations. Also, in order to assess risk Andimeshk aquifer pollution, land use parameters with the parameters used in the SINTACS model are overlaid, thus in turn specific aquifer vulnerability map was provided. Results from the map showed that the risk of aquifer contamination is not high.

Keywords

References

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