Articles | Volume 19, issue 9
Hydrol. Earth Syst. Sci., 19, 3771–3785, 2015
https://doi.org/10.5194/hess-19-3771-2015
Hydrol. Earth Syst. Sci., 19, 3771–3785, 2015
https://doi.org/10.5194/hess-19-3771-2015

Research article 08 Sep 2015

Research article | 08 Sep 2015

Transit times from rainfall to baseflow in headwater catchments estimated using tritium: the Ovens River, Australia

I. Cartwright and U. Morgenstern

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Cited articles

Allison, G. B., Cook, P. G., Barnett, S. R., Walker, G. R., Jolly, I. D., and Hughes, M. W.: Land clearance and river salinisation in the western Murray Basin, Australia, J. Hydrol., 119, 1–20, 1990.
Blackburn, G. and McLeod, S.: Salinity of atmospheric precipitation in the Murray Darling Drainage Division, Australia, Austr. J. Soil Res., 21, 400–434, 1983
Bullen, T. D., Krabbenhoft, D. P., and Kendall, C.: Kinetic and mineralogic controls on the evolution of groundwater chemistry and 87Sr/86Sr in a sandy silicate aquifer, northern Wisconsin, USA, Geochim. Cosmochim. Acta, 60, 1807–1821, 1996.
Bureau of Meteorology: Commonwealth of Australia Bureau of Meteorology, available at: http://www.bom.gov.au, last access: March 2015.
Cartwright, I. and Morgenstern, U.: Constraining groundwater recharge and the rate of geochemical processes using tritium and major ion geochemistry: Ovens catchment, southeast Australia, J. Hydrol., 475, 137–149, 2012.
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Short summary
This study documents the age of water that contributes to rivers in upper catchments using the radioactive tracer tritium. River water in the upper Ovens Valley (Australia) is several years to decades old and water from different parts of the catchment (e.g., soil, regolith, and groundwater) is mobilised at different flow conditions. The results indicate that these rivers are buffered against short term climate variability but are susceptible to longer-term climate and land use changes