Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 21, issue 8
Articles | Volume 21, issue 8
https://doi.org/10.5194/hess-21-4011-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-21-4011-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 21, issue 8
Research article
 | 
08 Aug 2017
Research article |  | 08 Aug 2017

Transport and degradation of perchlorate in deep vadose zone: implications from direct observations during bioremediation treatment

Ofer Dahan, Idan Katz, Lior Avishai, and Zeev Ronen

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Short summary
In situ bioremediation of a perchlorate-contaminated vadose zone was conducted through infiltration of electron-donor-enriched water. A vadose zone monitoring system (VMS) provided real-time tracking of the hydraulic and chemical conditions across the unsaturated zone. Variations in concentration profiles of perchlorate, chloride, DOC and bromide in the vadose zone pore water showed limited migration capacity of biologically consumable carbon and significant mobilization of perchlorate.
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