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Tritium/Helium-3 Dating of River Infiltration:An Example from the Oderbruch Area, Berlin, Germany
Physics Department, Faculty of Science, Assiut University, Assiut, Egypt
- 1 Physics Department, Faculty of Science, Assiut University, Assiut, Egypt
Journal of Water Resource and Protection·Volume 05 (2013)·Pages 46–53·Published 23 January 2013·DOI10.4236/jwarp.2013.51006
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Abstract
The concentrations of tritium, helium isotopes and neon have been measured in groundwater samples from a shallow and deep groundwater system recharged by bank infiltration from the Oder River in northeastern Berlin, Germany. The apparent 3 H/ 3 He ages show a distinct variation. They increased from only a few months to >40 years along the flow path. The farthest wells from the river have high concentration of 4 He terrigenic which is around 5 × 10 ?5 (ccSTP/kg). The highest values for stable 3 H ( 3 H + 3 He trit ) were encountered at a 2.6 kmdistance from the river.
KeywordsGroundwater DatingBank InfiltrationExcess Air
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