International Journal of Earth Sciences and Engineering

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The present study was carried out to analyse and evaluate the groundwater quality for two different seasons in Nambiyar river basin of Tirunelveli district, Tamil Nadu, India. The parameters studied were pH, Electrical Conductivity, Total Dissolved Solids, Total Hardness, Calcium, Magnesium, Chloride, Sodium, Potassium, Nitrate, Fluoride, Sulphate and Bicarbonate. Correlation coefficient studies have been carried among all possible pairs of 13 physiochemical parameters. Correlation coefficients were determined to identify the highly correlated and interrelated water quality parameters. Regression equations were formulated for highly correlated water quality parameters. Piper and Multi-rectangular diagram have been used to identify the water type of the study area. The water type in the study area was found to be mixed Ca2+-Mg2+-Cl- in both monsoon and summer seasons. However, in summer season some samples have shown mixed Na+-HCO3- type.

Keywords

Groundwater, Chemical Classification, Piper Diagram, Correlation, Regression, Tirunelveli, Tamil Nadu.
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