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    Study of evaluation of groundwater in Gadilam basin using hydrogeochemical and isotope data

    132653_132653.pdf (795.5Kb)
    Access Status
    Open access
    Authors
    Prasanna, Mohan Viswanathan
    Chidambaram, S.
    Shahul Hameed, A.
    Srinivasamoorthy, K.
    Date
    2009
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Prasanna, Mohan Viswanathan and Chidambaram, S. and Shahul Hameed, A. and Srinivasamoorthy, K. 2009. Study of evaluation of groundwater in Gadilam basin using hydrogeochemical and isotope data. Environmental Monitoring and Assessment.
    Source Title
    Environmental Monitoring and Assessment
    DOI
    10.1007/s10661-009-1092-5
    ISSN
    0167-6369
    Faculty
    Sarawak
    Department of Science and Mathematics
    School of Engineering and Science
    Miri Campus
    School
    Curtin Sarawak - Faculty Office
    Remarks

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

    URI
    http://hdl.handle.net/20.500.11937/19814
    Collection
    • Curtin Research Publications
    Abstract

    Gadilam river basin has gained its importance due to the presence of Neyveli Lignite open cast mines and other industrial complexes. It is also due to extensive depressurization of Cuddalore aquifer, and bore wells for New Veeranam Scheme are constructed downstream of the basin. Geochemical indicators of groundwater were used to identify the chemical processes that control hydrogeochemistry. Chemical parameters of groundwater such as pH, electrical conductivity, total dissolved solids, sodium (Na+), potassium (K+), calcium (Ca+), magnesium (Mg+), bicarbonate (HCO-3 ), sulfate (SO-4 ),phosphate (PO-4 ), and silica (H4SiO4) were determined. Interpretation of hydrogeochemical data suggests that leaching of ions followed by weathering and anthropogenic impact controls the chemistry of the groundwater. Isotopic study reveals that recharge from meteoric source in sedimentary terrain and rock-water interaction with significant evaporation prevails in hard rock region.

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