An Analysis of the Groundwater Resources of Tongatapu Island, Kingdom of Tonga 1979
An analysis is made of the groundwater resources of Tongatapu Island. The Ghyben-Herzberg approximation is used to estimate thicknesses of a fresh-water lens floating on seawater. Finite-difference calculations are used to estimate rainfall recharge rates, and calculations are made to investigate the dispersion of chloride ions across the fresh-water-sale-water interface. These calculations suggest that artificial recharge might be useful devise to control chloride concentrations in the fresh-water aquifier.
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