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Preliminary studies on the geochemistry of the Cauvery river basin

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Abstract

Samples of water and sediments were collected over a three year period from the entire region of Cauvery river basin excluding the estuary. On the basis of our observations, we have calculated the average composition of the Cauvery river at several locations from the catchment to the river mouth, the downstream profile of sediment load, annual erosion rates, solute and sediment fluxes and have predicted on long term changes. The sediment chemistry was determined by x-ray fluorescence (xrf) technique, and calculated mean compositions of the Cauvery and its tributary bed and the suspended sediment were compared to those of world average river sediments. Downstream profiles of some of the elements appear to be controlled by size and mineralogical characteristics besides local factors specific to the location of the samples. Interelemental relationships indicated good correlation among the transition elements indicating their co-genetic behaviour within the drainage basin.

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Authors and Affiliations

  1. School of Environmental Sciences, Jawaharlal Nehru University, 110 067, New Delhi, India

    V Subramanian, L van t’ Dack & R van Grieken

  2. Chemistry Department, U.I.A., B-2610, Wilrijik, Belgium

    L van t’ Dack & R van Grieken

Authors
  1. V Subramanian
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  2. L van t’ Dack
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  3. R van Grieken
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Subramanian, V., van t’ Dack, L. & van Grieken, R. Preliminary studies on the geochemistry of the Cauvery river basin. Proc. Indian Acad. Sci. (Earth Planet Sci.) 94, 99–110 (1985). https://doi.org/10.1007/BF02871942

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  • DOI: https://doi.org/10.1007/BF02871942

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