Articles | Volume 25, issue 1
Hydrol. Earth Syst. Sci., 25, 401–428, 2021
https://doi.org/10.5194/hess-25-401-2021
Hydrol. Earth Syst. Sci., 25, 401–428, 2021
https://doi.org/10.5194/hess-25-401-2021

Research article 27 Jan 2021

Research article | 27 Jan 2021

A comparison of catchment travel times and storage deduced from deuterium and tritium tracers using StorAge Selection functions

Nicolas Björn Rodriguez et al.

Data sets

The Weierbach experimental catchment in Luxembourg: a decade of critical zone monitoring in a temperate forest - from hydrological investigations to ecohydrological perspectives, Version 1.0 G. Hissler, N. Martínez-Carreras, F. Barnich, L. Gourdol, J. F. Iffly, J. Juilleret, J. Klaus, and L. Pfister https://doi.org/10.5281/zenodo.4061554

Model code and software

Composite StorAge Selection based model of deuterium and tritium transport in the Weierbach catchment N. B. Rodriguez https://git.list.lu/catchment-eco-hydro/composite_sas_model_2h_3h_weierbach

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Short summary
Different parts of water have often been used as tracers to determine the age of water in streams. The stable tracers, such as deuterium, are thought to be unable to reveal old water compared to the radioactive tracer called tritium. We used both tracers, measured in precipitation and in a stream in Luxembourg, to show that this is not necessarily true. It is, in fact, advantageous to use the two tracers together, and we recommend systematically using tritium in future studies.