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Estimation of Vulnerability of Groundwater in a Granitic Aquifer to Pollution using Entropy Theory


Affiliations
1 CSIR-National Geophysical Research Institute, Uppal Road, Hyderabad 500 007, India
 

Entropy theory was used to estimate the vulnerability of groundwater aquifer to pollution which could have a degree of uncertainty of liable different dynamic systems. Mainly three parameters such as precipitation, groundwater level, and total dissolved solids in groundwater in a granitic area from Peninsular India are considered and tested. Results show that interaction entropy is comparatively higher in high risk vulnerability zone, whereas it is lower to negligible in low risk vulnerability areas. Therefore, the risk areas of groundwater pollution could be demarcated by virtue of interaction entropy, which provided the same outcomes as achieved on the DRASTIC map. The significance of this work is in evaluating the degrees of aquifer vulnerability for groundwater pollution. An aquifer vulnerability map could be prepared for the whole country by selecting suitable sites for the development of industries.

Keywords

Entropy Theory, DRASTIC Map, Estimation Aquifer Vulnerability, Groundwater Pollution, Peninsular India.
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  • Estimation of Vulnerability of Groundwater in a Granitic Aquifer to Pollution using Entropy Theory

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Authors

N. C. Mondal
CSIR-National Geophysical Research Institute, Uppal Road, Hyderabad 500 007, India

Abstract


Entropy theory was used to estimate the vulnerability of groundwater aquifer to pollution which could have a degree of uncertainty of liable different dynamic systems. Mainly three parameters such as precipitation, groundwater level, and total dissolved solids in groundwater in a granitic area from Peninsular India are considered and tested. Results show that interaction entropy is comparatively higher in high risk vulnerability zone, whereas it is lower to negligible in low risk vulnerability areas. Therefore, the risk areas of groundwater pollution could be demarcated by virtue of interaction entropy, which provided the same outcomes as achieved on the DRASTIC map. The significance of this work is in evaluating the degrees of aquifer vulnerability for groundwater pollution. An aquifer vulnerability map could be prepared for the whole country by selecting suitable sites for the development of industries.

Keywords


Entropy Theory, DRASTIC Map, Estimation Aquifer Vulnerability, Groundwater Pollution, Peninsular India.

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DOI: https://doi.org/10.18520/cs%2Fv116%2Fi9%2F1555-1559