Seasonal Variation of the Solute Content and the Sr87/Sr86 Ratio of the Olentangy and Scioto Rivers at Columbus, Ohio
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Citation:The Ohio Journal of Science. v70 n3 (May, 1970), 170-179
The concentrations of sodium, potassium, calcium, and strontium in water samples collected from the Olentangy and Scioto Rivers at Columbus, Ohio, during 1966, have been determined. The water samples were collected at weekly intervals throughout the year and were combined into four-week composites. The average concentrations, weighted according to discharge, and the ranges of variation for each element in the Olentangy River (in units of Mg/ml) were: Na = 22.3 (16.6 to 38.5), K = 3.3 (2.2 to 4.9), Ca = 72.4 (54.4-101.5), Sr=0.923 (0.604 to 1.73). In the Scioto River the concentrations of these elements were: Na = 12.2 (5.8 to 20.3), K = 3.6 (2.2 to 5.0), Ca = 78.8 (53.2 to 96.2), Sr = 1.91 (0.954 to 2.79). In both rivers the concentrations of sodium and strontium decreased linearly with increasing discharge, whereas the concentrations of potassium and calcium did not. The concentration of potassium increased steadily during the summer and reached a peak in the fall. The Sr87/Sr86 ratio of the Olentangy River decreased with increasing discharge from 0.7116 to 0.7088 while that of the Scioto River appeared to be constant at 0.7093 =±= 0.0003 within the precision of the measurement.
Author Institution: Department of Geology and Water Resources Center, The Ohio State University, Columbus, Ohio 43210
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