Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 20, issue 1
Articles | Volume 20, issue 1
https://doi.org/10.5194/hess-20-257-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-20-257-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 20, issue 1
Research article
 | 
18 Jan 2016
Research article |  | 18 Jan 2016

Time series of tritium, stable isotopes and chloride reveal short-term variations in groundwater contribution to a stream

C. Duvert, M. K. Stewart, D. I. Cendón, and M. Raiber

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Short summary
The transit time of water is a key indicator of hydrological processes at the catchment scale. Our results suggest that the use of tritium time series in streamwater can be highly valuable for assessing the temporal variations in the transit time of older groundwater contributions to streamflow. We also show that, shortly after high flow events, the transit time of the old water fraction increases and tends to approach the groundwater residence time.
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