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Deciphering the groundwater–saline water interaction in a complex coastal aquifer in South India using statistical and hydrochemical mixing models

Hydrogeochemical investigations were carried out in a coastal aquifer along the East coast of Cuddalore district in Tamil Nadu, Southern India, to analyse the groundwater–seawater interactions. Multiple techniques including Hydrochemical Facies Evaluation Diagram (HFE-D), principle component analysis (PCA), ionic ratios, hydrochemical ionic changes models and salinity mixing...

Influence of water level fluctuation on groundwater solute content in a tropical south Indian region: a geochemical modelling approach

Groundwater levels in the Dharapuram region exhibited drastic seasonal changes. Hydrogeochemical analysis were performed on the groundwater samples collected during January (post-monsoon) and July (pre-monsoon) in 2009 to understand the chemical changes and related process encountered during the fluctuated water table. Dominant water type in the study area was Na–Cl with smaller...

Chemometric evaluation of nitrate contamination in the groundwater of a hard rock area in Dharapuram, south India

This paper presents the results of investigations on groundwater nitrate contamination in the Dharapuram area of Tamil Nadu in south India as a primary step to initiate denitrification. Groundwater samples were collected from 26 selected locations during the pre-monsoon season in July 2010 and analysed for nitrate and other water quality parameters. Two important water types were...

Physicochemical parameters and their sources in groundwater in the Thirupathur region, Tamil Nadu, South India

Kumar (&) Brandenburg Technical University Cottbus , 03046 Cottbus , Germany 1 P. J. Sajil Kumar E. J. James Water Institute, Karunya University , Coimbatore 641114 , India This study reports