In view of a recent work by Begemann & Libby (1957) their postulate on rapid mixing inside a groundwater body is examined. It is found that there are no possible processes which can accomplish such a mixing. Their observations can, however, be readily explained from a simple model of groundwater flow, assuming no mixing. Possible methods of using tracers like tritium for estimating groundwater storage are also discussed.
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Erik Eriksson (1958) studied this question.
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