T. H. E. Heaton and J. C. Vogel, “Excess Air in Groundwater,” Journal of Hydrology, Vol. 50, 1981, pp. 201-216. doi:10.1016/0022-1694(81)90070-6

has been cited by the following article:

• TITLE: Tritium/Helium-3 Dating of River Infiltration:An Example from the Oderbruch Area, Berlin, Germany

  AUTHORS: Hany El-Gamal

  KEYWORDS: Groundwater Dating; Bank Infiltration; Excess Air

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.5 No.1, January 25, 2013

  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 3H/3He 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 4He terrigenic which is around 5 × 10?5 (ccSTP/kg). The highest values for stable 3H (3H + 3Hetrit) were encountered at a 2.6 kmdistance from the river.