Interpretation of 234U 238U activity ratios in groundwaters

B. L. Dickson*, M. R. Davidson

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    15 Citations (Scopus)


    The quasi-steady variation in 234U 238U activity ratio has been determined along an idealised homogeneous one-dimensional aquifer in which the transfer of radionuclides from the aquifer material to solution occurs by both α-recoil and ion exchange. The results highlight the importance of considering these two effects in predicting the variation of 234U 238U activity ratios in a flowing system. In particular, it was shown that such ratios in old waters should achieve the moderate values indicated by measurements.

    Original languageEnglish
    Pages (from-to)83-88
    Number of pages6
    JournalChemical Geology
    Issue number1-2
    Publication statusPublished - 20 Dec 1985


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