Groundwater residence time downgradient of Trench No. 22 at the Chernobyl Pilot Site: Constraints on hydrogeological aquifer functioning

Title: Groundwater residence time downgradient of Trench No. 22 at the Chernobyl Pilot Site: Constraints on hydrogeological aquifer functioning

Author: Le Gal La Salle, C. / Aquilina, L. / Fourre, E. / Jean-Baptiste, P. / Michelot, J.-L. / Roux, C. / Bugai, D. / (…) / Lancelot, J.

Reference: Applied Geochemistry, 27 (7), p.1304-1319, Jul 2012

DOI: 10.1016/j.apgeochem.2011.12.006

Keywords:

Abstract: ► Stratification of the groundwater is evidenced through Na and Cl and ¹⁸O and ²H. ► Good agreement is observed between ³H/³He and CFC ages. ► Complex mixing processes are evidenced at intermediate depth. ► Apparent age distribution suggest exponential or piston flow model. ► Extremely high SF₆ concentrations are attributed to the nuclear reactor explosion.

URL: http://www.sciencedirect.com/science/article/pii/S0883292711004884

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