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

Andreas Kallioras, M. Piepenbrink, A. Khan, M. Reshid, R. Rausch, P. Dietrich, C. Schuth
  • Andreas Kallioras
    National Technical University of Athens, Greece, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany | andreas.kallioras@ufz.de
  • 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.

Keywords

Unsaturated zone, porewater extraction, multilevel undisturbed soil sampling, direct push technology

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Submitted: 2016-03-15 10:40:59
Published: 2012-09-30 00:00:00
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Copyright (c) 2016 Andreas Kallioras, M. Piepenbrink, A. Khan, M. Reshid, R. Rausch, P. Dietrich, C. Schuth

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