Factor analysis in hydrogeochemistry of coastal aquifers – a preliminary study |
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| Authors: | R Jayakumar L Siraz |
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| Institution: | (1) School of Earth Sciences, Bharathidasan University, Tiruchirapalli 620 023, India, IN;(2) Department of Earth Science, Indian Institute of Technology, Bombay – 400 076 India, IN |
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| Abstract: | This paper examines the results of R-mode factor analysis performed on major ion data from a hydrogeochemical survey over
the coastal Quaternary deltaic aquifer of the Cauvery Basin, Tamil Nadu, India. Seven major ions (Ca, Mg, Na, K, HCO3, Cl, and NO3) were analyzed from each of the 126 water samples collected in two seasons (pre- and post-monsoon 63 each). A set of factors
was found both in pre-monsoon and post-monsoon data which explained the source of the dissolved ions and the chemical processes
which accompany the intrusion of seawater.
Received: 4 March 1996 · Accepted: 28 August 1996 |
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| Keywords: | Coastal hydrogeochemistry Factor analysis Salt-water intrusion |
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