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    Hydrogeochemical Assessment of Groundwater in Neyveli Basin, Cuddalore District, South India

    152230_152230.pdf (1.073Mb)
    Access Status
    Open access
    Authors
    Prasanna, Mohan Viswanathan
    Chidambaram, S.
    Senthil Kumar, G.
    Ramanathan, A.L.
    Nainwal, H.C.
    Date
    2010
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    M.V. Prasanna and S. Chidambaram and G. Senthil Kumar and A.L. Ramanathan and H.C. Nainwal. 2010. Hydrogeochemical Assessment of Groundwater in Neyveli Basin, Cuddalore District, South India. Arabian Journal of Geosciences. 4 (1-2): pp. 319-330.
    Source Title
    Arabian Journal of Geosciences
    DOI
    10.1007/s12517-010-0191-5
    ISSN
    1866-7511
    School
    Curtin Sarawak - Faculty Office
    Remarks

    The original publication is available at: http://www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/25856
    Collection
    • Curtin Research Publications
    Abstract

    In the light of progressive depletion of groundwater reservoir and water quality deterioration of the Neyveli basin, an investigation on dissolved major constituents in 25 groundwater samples was performed. The main objective was detection of processes for the geochemical assessment throughout the area. Neyveli aquifer is intensively inhabited during the last decenniums, leading to expansion of the residential and agricultural area. Besides semi-aridity, rapid social and economic development stimulates greater demand for water, which is gradually fulfilled by groundwater extraction. Groundwaters of the study area are characterized by the dominance of Na + K over Ca + Mg.HCO3 was found to be the dominant anion followed by Cl and SO4. High positive correlation was obtained among the following ions: Ca–Mg, Cl–Ca,Mg, Na–K, HCO3–H4SiO4, and F–K. The hydrochemical types in the area can be divided into two major groups: the first group includes mixed Ca–Mg–Cl and Ca–Cl types. The second group comprises mixed Ca–Na–HCO3 and Ca–HCO3 types. Most of the groundwater samples are within the permissible limit of WHO standard. Interpretation of data suggests that weathering, ion exchange reactions, and evaporation to some extent are the dominant factors that determine the major ionic composition in the study area.

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