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BG | Articles | Volume 17, issue 13
Biogeosciences, 17, 3705–3722, 2020
https://doi.org/10.5194/bg-17-3705-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 17, 3705–3722, 2020
https://doi.org/10.5194/bg-17-3705-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 15 Jul 2020

Research article | 15 Jul 2020

Drivers of seasonal- and event-scale DOC dynamics at the outlet of mountainous peatlands revealed by high-frequency monitoring

Thomas Rosset et al.

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Cited articles

Austnes, E.: Effects of storm events on mobilisation of dissolved organic matter (DOM) in a Welsh peatland catchment, Biogeochemistry, 99, 157–173, https://doi.org/10.1007/s10533-009-9399-4, 2010. 
Austnes, K., Evans, C. D., Eliot-Laize, C., Naden, P. S., and Old, G. H.: Effects of storm events on mobilisation and in-stream processing of dissolved organic matter (DOM) in a Welsh peatland catchment, Biogeochemistry, 99, 157–173, https://doi.org/10.1007/s10533-009-9399-4, 2010. 
Bernard-Jannin, L., Binet, S., Gogo, S., Leroy, F., Défarge, C., Jozja, N., Zocatelli, R., Perdereau, L., and Laggoun-Défarge, F.: Hydrological control of dissolved organic carbon dynamics in a rehabilitated Sphagnum-dominated peatland: a water-table based modelling approach, Hydrol. Earth Syst. Sci., 22, 4907–4920, https://doi.org/10.5194/hess-22-4907-2018, 2018. 
Billett, M. F., Deacon, C. M., Palmer, S. M., Dawson, J. J. C., and Hope, D.: Connecting organic carbon in stream water and soils in a peatland catchment, J. Geophys. Res., 111, G02010, https://doi.org/10.1029/2005JG000065, 2006. 
Binet, S., Gogo, S., and Laggoun-Défarge, F.: A water-table dependent reservoir model to investigate the effect of drought and vascular plant invasion on peatland hydrology, J. Hydrol., 499, 132–139, https://doi.org/10.1016/j.jhydrol.2013.06.035, 2013. 
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Peatlands export a large amount of DOC through inland waters. This study aims at identifying the mechanisms controlling the DOC concentration at the outlet of two mountainous peatlands in the French Pyrenees. Peat water temperature and water table dynamics are shown to drive seasonal- and event-scale DOC concentration variation. According to water recession times, peatlands appear as complexes of different hydrological and biogeochemical units supplying inland waters at different rates.
Peatlands export a large amount of DOC through inland waters. This study aims at identifying the...
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