Articles | Volume 12, issue 12
Biogeosciences, 12, 3725–3740, 2015
https://doi.org/10.5194/bg-12-3725-2015

Special issue: Freshwater ecosystems in changing permafrost landscapes

Biogeosciences, 12, 3725–3740, 2015
https://doi.org/10.5194/bg-12-3725-2015
Research article
17 Jun 2015
Research article | 17 Jun 2015

Patterns and persistence of hydrologic carbon and nutrient export from collapsing upland permafrost

B. W. Abbott et al.

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Cited articles

Abbott, B. W. and Jones, J. B.: Upland permafrost collapse stimulates N2O production but effect on growing-season respiration depends on thermokarst morphology, Glob. Change Biol., submitted, 2015.
Abbott, B. W., Larouche, J. R., Jones, J. B., Bowden, W. B., and Balser, A. W.: Elevated dissolved organic carbon biodegradability from thawing and collapsing permafrost, J. Geophys. Res.-Biogeo., 119, 2049–2063, https://doi.org/10.1002/2014JG002678, 2014.
Balcarczyk, K. L., Jones, J. B., Jaffe, R., and Maie, N.: Stream dissolved organic matter bioavailability and composition in watersheds underlain with discontinuous permafrost, Biogeochemistry, 94, 255–270, 2009.
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Short summary
As high latitudes warm, carbon and nitrogen stored in permafrost soil will be vulnerable to erosion and transport to Arctic streams and rivers. We sampled outflow from 83 permafrost collapse features in Alaska. Permafrost collapse caused substantial increases in dissolved organic carbon and inorganic nitrogen but decreased methane concentration by 90%. Upland thermokarst may be a dominant linkage transferring carbon and nutrients from terrestrial to aquatic ecosystems as the Arctic warms.
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