The significance of oxygen as oxides and hydroxides in controlling the abundance and residence times of elements in seawater
Abstract
A model is presented which signifies the role of oxygen (as oxides and hydroxides) in controlling the composition of seawater. respective concentration and residence times for the unknown elements can be estimated. Geometric and statistical indices of Lagget and Williams (1981) are used to evaluate the accuracy of the model. This reveals from the known values of Delta O2-M that the present model estimates log ty values within a factor of 1.77. The predicted oceanic residence times for Am, Ir, Ra and Rh are 3.6 x 102, 3.7 x 102, 2.2 x 105 and 6.4 x 102 years, respectively
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