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HESS | Articles | Volume 24, issue 2
Hydrol. Earth Syst. Sci., 24, 945–966, 2020
https://doi.org/10.5194/hess-24-945-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Hydrol. Earth Syst. Sci., 24, 945–966, 2020
https://doi.org/10.5194/hess-24-945-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 27 Feb 2020

Research article | 27 Feb 2020

Temperature controls production but hydrology regulates export of dissolved organic carbon at the catchment scale

Hang Wen et al.

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Cited articles

Abbott, B. W., Jones, J. B., Godsey, S. E., Larouche, J. R., and Bowden, W. B.: Patterns and persistence of hydrologic carbon and nutrient export from collapsing upland permafrost, Biogeosciences, 12, 3725–3740, https://doi.org/10.5194/bg-12-3725-2015, 2015. 
Allard, D.: Simulating a geological lithofacies with respect to connectivity information using the truncated Gaussian model, in: Geostatistical Simulations, edited by: Armstrong M., and Dowd P.A., Springer, Dordrecht, the Netherlands, 197–211, https://doi.org/10.1007/978-94-015-8267-4_16, 1994. 
Alvarez-Cobelas, M., Angeler, D. G., Sanchez-Carrillo, S., and Almendros, G.: A worldwide view of organic carbon export from catchments, Biogeochemistry, 107, 275–293, https://doi.org/10.1007/s10533-010-9553-z, 2012. 
Andrews, D. M., Lin, H., Zhu, Q., Jin, L. X., and Brantley, S. L.: Hot Spots and Hot Moments of Dissolved Organic Carbon Export and Soil Organic Carbon Storage in the Shale Hills Catchment, Vadose Zone J., 10, 943–954, https://doi.org/10.2136/vzj2010.0149, 2011. 
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Lateral carbon fluxes from terrestrial to aquatic systems remain central uncertainties in determining ecosystem carbon balance. This work explores how temperature and hydrology control production and export of dissolved organic carbon (DOC) at the catchment scale. Results illustrate the asynchrony of DOC production, controlled by temperature, and export, governed by flow paths; concentration–discharge relationships are determined by the relative contribution of shallow versus groundwater flow.
Lateral carbon fluxes from terrestrial to aquatic systems remain central uncertainties in...
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