Cfc groundwater dating


 · Tracing and Dating Young Ground Water... Even where there are problems with CFC dating of ground water, ... 1995, Combined use of groundwater dating, ...

Chlorofluorocarbons, 3 H 3 He and 85 Kr are tracers of atmospheric origin than can be used to date groundwater over periods from 0 to 40 years. In suitable aquifers, measured groundwater ages can be used to estimate groundwater flow paths, and vertical and horizontal flow velocities. In simple, piston flow systems they can be used to estimate groundwater recharge rates with an accuracy of 20% or less, better than can be achieved with traditional hydraulic-based methods. Groundwater dating methods have also been used to reconstruct past releases of contaminants to aquifers.


Cfc groundwater dating

Cfc groundwater dating