Articles | Volume 21, issue 3
https://doi.org/10.5194/hess-21-1721-2017
https://doi.org/10.5194/hess-21-1721-2017
Research article
 | 
23 Mar 2017
Research article |  | 23 Mar 2017

A lab in the field: high-frequency analysis of water quality and stable isotopes in stream water and precipitation

Jana von Freyberg, Bjørn Studer, and James W. Kirchner

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Preprint under review for HESS
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Cited articles

Aubert, A. H., Gascuel-Odoux, C., Gruau, G., Akkal, N., Faucheux, M., Fauvel, Y., Grimaldi, C., Hamon, Y., Jaffrézic, A., Lecoz-Boutnik, M., Molénat, J., Petitjean, P., Ruiz, L., and Merot, P.: Solute transport dynamics in small, shallow groundwater-dominated agricultural catchments: insights from a high-frequency, multisolute 10 yr-long monitoring study, Hydrol. Earth Syst. Sci., 17, 1379–1391, https://doi.org/10.5194/hess-17-1379-2013, 2013.
Aubert, A. H. and Breuer, L.: New seasonal shift in in-stream diurnal nitrate cycles identified by mining high-frequency data, PLoS ONE, 11, e0153138, https://doi.org/10.1371/journal.pone.0153138, 2016.
Bende-Michl, U. and Hairsine, P. B.: A systematic approach to choosing an automated nutrient analyser for river monitoring, J. Environ. Monitor., 12, 127–134, 2010.
Benettin, P., Kirchner, J. W., Rinaldo, A., and Botter, G.: Modeling chloride transport using travel time distributions at Plynlimon, Wales, Water Resour. Res., 51, 3259–3276, https://doi.org/10.1002/2014WR016600, 2015.
Berman, E. S. F., Gupta, M., Gabrielli, C., Garland, T., and McDonnell, J. J.: High-frequency field-deployable isotope analyzer for hydrological applications, Water Resour. Res., 45, W10201, https://doi.org/10.1029/2009wr008265, 2009.
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Short summary
We present a newly developed instrument package that enables the online analysis of stable water isotopes and major ion chemistry at 30 min intervals in the field. The resulting data streams provide an unprecedented view of hydrochemical dynamics on the catchment scale. Based on a detailed analysis of the variable behavior of isotopic and chemical tracers in stream water and precipitation over a 4-week period, we developed a conceptual hypothesis for runoff generation in the studied catchment.