Osmond J K, Rydell H S, Kaufman M I
Science. 1968 Nov 29;162(3857):997-9. doi: 10.1126/science.162.3857.997.
The distribution and environmental disequilibrium patterns of naturally occurring uranium isotopes (U(234) and U(238)) in waters of the Floridan aquifer suggest that variations in the ratios of isotopic activity and concentrations can be used quantitatively to evaluate mixing proportions of waters from differing sources. Uranium is probably unique in its potential for this approach, which seems to have general usefulness in hydrologic investigations.
佛罗里达含水层水体中天然存在的铀同位素（U(234)和U(238)）的分布及环境不平衡模式表明，同位素活度与浓度比值的变化可用于定量评估不同来源水体的混合比例。铀在采用这种方法的潜力方面可能是独一无二的，而这种方法在水文调查中似乎具有普遍用途。
