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- Title
Application of GIS‐based DRASTIC model and its validation with Solute Transport Model in the assessment of groundwater vulnerability index: A case study from coal mining region of India.
- Authors
Saw, Shivam; Singh, Prasoon Kumar; Mahato, Jaydev Kumar; Patel, Rohit; Deoli, Vaibhav; Singh, Lakshman
- Abstract
The intensive Coal mining in Dhanbad, India, is crucial for contaminating the groundwater resources. The present work aims to estimate the vulnerability of aquifers to contamination with the aid of a GIS‐based DRASTIC approach. This is finally validated by comparing the concentration of the contaminant computed by the Solute Transport Model. Using the soil moisture flow and pollutant transport model, an effort is made to validate the vulnerability of groundwater pollution. The vulnerability maps showed that some of this region's western southwest, and northern part lies in the highly vulnerable region. The major influential parameters in the present study for mapping the vulnerability are shallow depth to groundwater, higher net recharge and more permeable vadose zone. Furthermore, the surrounding mining activities are highly accountable for depleting groundwater superiority in the present research area. These vulnerability maps can be later on effectively used for environmental development and managing future water resources. The Solute Transport Model does not compute vulnerability; instead, it computes the concentration of the contaminant.
- Subjects
INDIA; COAL mining; WATER pollution potential; MODEL validation; GROUNDWATER; GROUNDWATER pollution; SOLIFLUCTION
- Publication
Environmental Quality Management, 2023, Vol 33, Issue 2, p265
- ISSN
1088-1913
- Publication type
Article
- DOI
10.1002/tqem.22000