Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 20, issue 10
Articles | Volume 20, issue 10
https://doi.org/10.5194/hess-20-4209-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-20-4209-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 20, issue 10
Research article
 | 
18 Oct 2016
Research article |  | 18 Oct 2016

Tracer test modeling for characterizing heterogeneity and local-scale residence time distribution in an artificial recharge site

Cristina Valhondo, Lurdes Martínez-Landa, Jesús Carrera, Juan J. Hidalgo, Isabel Tubau, Katrien De Pourcq, Alba Grau-Martínez, and Carlos Ayora

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Short summary
We performed and evaluated a pulse injection tracer test in an artificial recharge system to understand the fate of potential contaminants. A 2-D multilayer model (under homogeneous and heterogeneous medium hypothesis) was used to evaluate the measured breakthrough curves at six points. Both homogeneous and heterogeneous models reproduce the long tails observed. This implies that the shapes of the breakthrough curves are caused not only by heterogeneity, but also by the mean flow structure.
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