Investigation of isotopic signals in the unsaturated zone with the use of direct push technology and azaeotropic distillation

  • Andreas Kallioras | andreas.kallioras@ufz.de National Technical University of Athens, Greece, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany.
  • M. Piepenbrink Technical University of Darmstadt, Germany.
  • A. Khan Technical University of Darmstadt, Italy.
  • M. Reshid Technical University of Darmstadt, Germany.
  • R. Rausch GIZ – International Services, Riyadh Office, Saudi Arabia.
  • P. Dietrich Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany.
  • C. Schuth Technical University of Darmstadt, Germany.

Abstract

This paper contributes to the investigation of the unsaturated zone, through the application of combined field and lab techniques. The results show that direct push methods, which are considered ideal for multilevel sampling of undisturbed soil in the unsaturated zone, proved to be effective also for the consequent extraction of the pore water for further isotopic determination. This ultimate goal can be achieved thank to the application of azaetropic distillation, which has the least isotopic fractionation effects on groundwater samples.

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Published
2012-09-30
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Original Papers
Keywords:
Unsaturated zone, porewater extraction, multilevel undisturbed soil sampling, direct push technology
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How to Cite
Kallioras, A., Piepenbrink, M., Khan, A., Reshid, M., Rausch, R., Dietrich, P., & Schuth, C. (2012). Investigation of isotopic signals in the unsaturated zone with the use of direct push technology and azaeotropic distillation. Acque Sotterranee - Italian Journal of Groundwater, 1(2). https://doi.org/10.7343/as-008-12-0012