Articles | Volume 18, issue 12
Biogeosciences, 18, 3917–3936, 2021
https://doi.org/10.5194/bg-18-3917-2021
Biogeosciences, 18, 3917–3936, 2021
https://doi.org/10.5194/bg-18-3917-2021
Research article
30 Jun 2021
Research article | 30 Jun 2021

First pan-Arctic assessment of dissolved organic carbon in lakes of the permafrost region

Lydia Stolpmann et al.

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Cited articles

Abnizova, A., Young, K. L., and Lafrenière, M. J.: Pond hydrology and dissolved organic carbon dynamics at Polar Bear Pass wetlands, Bathurst Island, Nunavut, Canada, Ecohydrology, 7, 73–90, https://doi.org/10.1002/eco.1323, 2014. 
Anderson, N. J. and Stedmon, C. A.: The effect of evapoconcentration on dissolved organic carbon concentration and quality in lakes of SW Greenland, Freshw. Biol., 52, 280–289, https://doi.org/10.1111/j.1365-2427.2006.01688.x, 2007. 
Battin, T. J., Kaplan, L. A., Findlay, S., Hopkinson, C. S., Marti, E., Packman, A. I., Newbold, J. D., and Sabater, F.: Biophysical controls on organic carbon fluxes in fluvial networks, Nat. Geosci., 1, 95–100, 2008. 
Bauer, J. E. and Bianchi, T. S.: Dissolved Organic Carbon Cycling and Transformation, in: Treatise on Estuarine and Coastal Science, Vol. 5, edited by: Wolanski, E. and McLusky, D. S., Waltham, Academic Press, 7–67, https://doi.org/10.1016/B978-0-12-374711-2.00502-7, 2011. 
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Our new database summarizes DOC concentrations of 2167 water samples from 1833 lakes in permafrost regions across the Arctic to provide insights into linkages between DOC and environment. We found increasing lake DOC concentration with decreasing permafrost extent and higher DOC concentrations in boreal permafrost sites compared to tundra sites. Our study shows that DOC concentration depends on the environmental properties of a lake, especially permafrost extent, ecoregion, and vegetation.
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