Abstract
The uranium (234U/238U) and radium (228Ra/226Ra) activity ratios and 87Sr/86Sr isotopic ratio in thermal groundwater, subsurface water (groundwater) and river water from Poddebice and Uniejow were determined. The uranium and radium activity ratios and strontium isotopic ratio varied from 0.629 to 1.471, from 0.396 to 4.961 and from 0.708438 to 0.710344, respectively. The results for the thermal groundwater samples showed that the radiometric method together with mass spectrometry stable strontium isotope ratio measurements can be used for underground water transport studies. On the basis of the uranium and radium activity and the strontium isotopic ratio differences in subsurface water (groundwater) and in river water, any possible water influx between these adjacent reservoirs can be observed. The obtained results exclude any water transport from surface and subsurface water to thermal ground water reservoirs in this region of Poland.
Highlights
In some kinds of environmental samples one can observe small differences in the isotopic ratios for a few elements caused by the continuous production of one of their socalled radiogenic isotopes by radioactive decay (in a geological time scale of 106 years) of accompanying radioactive isotopes of other elements
In some kinds of environmental samples one can observe small differences in the isotopic ratios for a few elements caused by the continuous production of one of their socalled radiogenic isotopes by radioactive decay of accompanying radioactive isotopes of other elements
The results for the thermal groundwater samples showed that the radiometric method together with mass spectrometry stable strontium isotope ratio measurements can be used for underground water transport studies
Summary
In some kinds of environmental samples one can observe small differences in the isotopic ratios for a few elements caused by the continuous production of one of their socalled radiogenic isotopes by radioactive decay (in a geological time scale of 106 years) of accompanying radioactive isotopes of other elements. Abstract The uranium (234U/238U) and radium (228Ra/226Ra) activity ratios and 87Sr/86Sr isotopic ratio in thermal groundwater, subsurface water (groundwater) and river water from Poddebice and Uniejow were determined. The results for the thermal groundwater samples showed that the radiometric method together with mass spectrometry stable strontium isotope ratio measurements can be used for underground water transport studies.
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