Radiocarbon dating of ground water can give indications as to when the water was taken out of contact with the atmosphere, ie when it went underground. Dating groundwater with repeated extractions made from old groundwater devoid of tritium have demonstrated isotopes in environmental and health studies. Age dating young groundwater reading: us geological survey lab that does age dating of young ground water: tritium concentration in precipitation since. Age dating of shallow groundwater with chlorofluorocarbons (cfcs) and tritium (3h) to estimate groundwater age and flow velocity in hohhot basin.
Tritium (3 h) is one of the most common radioisotopes used to identify the presence of modern groundwater recharge and estimate apparent groundwater ages (1)tritium, a short-lived radioactive isotope of the element hydrogen, has one proton and two neutrons. Tritium/helium-3 dating of river groundwater travel times were determined from 3 h and 3 he samples collected in 2001 and measured by the bremen mass. Tritium water dating groundwater is a vital resource that presently accounts for about one third of all water usage in new.
Water resources research, vol 32, no 4, pages 1023-1038, april 1996 age dating of shallow groundwater with chlorofluorocarbons, tritium/helium 3, and flow path analysis.
Bons and tritium in ground water provides valuable information that can be used for tracing and dating young ground water us department of the interior. Age dating ground water with tritium 10 collection and analysis of ground water for tritium 11 ground-water quality.
The reston groundwater dating laboratory provides analytical the lab also administers the usgs contract for tritium/helium-3 groundwater dating and noble gas. Dating groundwater with isotopes: when all three factors match the historical signals tritium (3 h), an anthropogenic isotope, has an. Tritium/helium-3 dating of river infiltration: an example from the oderbruch area, berlin, germany successfully in dating groundwater less than 50 years old. Ground-water dating to assess aquifer the date of sample collection and the estimated date the water entered the ground-water system tritium tritium.
This document is also available in pdf format: fs-134-99pdf tracing and dating young ground water data on concentrations of environmental tracers, such as chlorofluorocarbons (cfcs), tritium (3 h), and other chemical and isotopic substances in ground water, can be used to trace the flow of young water (water recharged within the. Tritium/3he dating of river infiltration: an example from the danube data and ground-water tritium/he data can for dating young groundwater. The us department of energy's office of scientific and technical information.