• Evaluation of groundwater recharge in semi-arid region of India using environmental tritium

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    • Keywords


      Soil Moisture; Tritium; Groundwater Recharge; Unsaturated Zone; Recharge Rate

    • Abstract


      Depth variations of environmental tritium and of soil moisture in the unsaturated zone of the semi-arid alluvial tracts of northern Gujarat (India) are measured and utilised to evaluate vertical groundwater recharge. Results obtained from the two different experiments carried out at an interval of two years are found to be in fair agreement. An average of recharge amounting to about 5 per cent is indicated.

      The observed depth variation of tritium gives support to the view that the movement of soil moisture in this region is layered.

    • Author Affiliations


      B S Sukhija1 Rama1

      1. Tata Institute of Fundamental Research, Bombay-5
    • Dates


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