IJEP 44(7): 649-664 : Vol. 44 Issue. 7 (July 2024)
1. Aliah University, Department of Civil Engineering, Kolkata – 700 160, West Bengal, India
2. Techno International New Town, Department of Basic Science and Humanities, Newtown – 700 156, West Bengal, India
Abstract
Groundwater contamination is an important issue that needs serious addressing to preserve and protect the existing subsurface water reserves. Understanding the mechanisms controlling the pathways of the contaminants and their dispersion forms an intrinsic part of any groundwater contamination study. The medium of groundwater contaminant transport happens to be through the discharge. Hence, discharge occurrences and their mode of spreading are very important in understanding contaminant transport. The present study aims to understand and predict the possible dispersion of groundwater discharge in randomly selected five areas of the Nandigram belt of West Bengal, India. The basic input parameters in the study have been considered as permeability and the hydraulic gradient for the areas concerned. Mann Kendall test has also been incorporated in the study to understand the significant trend in occurrences of discharge patterns with respect to lateral extension and vertical depth in the subsurface in the area concerned. The study also highlights the assessment of the discharge pattern for the area mostly in the virgin state, as far as industrial presence in the area is concerned.
Keywords
Groundwater flow model, Permeability, Hydraulic gradient, Man Kendal test
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