Articles | Volume 19, issue 12
Biogeosciences, 19, 3073–3097, 2022
https://doi.org/10.5194/bg-19-3073-2022
Biogeosciences, 19, 3073–3097, 2022
https://doi.org/10.5194/bg-19-3073-2022
Research article
01 Jul 2022
Research article | 01 Jul 2022

Dissolved organic matter characterization in soils and streams in a small coastal low-Arctic catchment

Niek Jesse Speetjens et al.

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Source Apportionment of Polycyclic Aromatic Hydrocarbons in Central European Soils with Compound-Specific Triple Isotopes (δ13C, Δ14C, and δ2H) Carme Bosch, August Andersson, Martin Kruså, Cecilia Bandh, Ivana Hovorková, Jana Klánová, Timothy D. J. Knowles, Richard D. Pancost, Richard P. Evershed, and Örjan Gustafsso https://doi.org/10.1021/acs.est.5b01190

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Short summary
Climate change and warming in the Arctic exceed global averages. As a result, permanently frozen soils (permafrost) which store vast quantities of carbon in the form of dead plant material (organic matter) are thawing. Our study shows that as permafrost landscapes degrade, high concentrations of organic matter are released. Partly, this organic matter is degraded rapidly upon release, while another significant fraction enters stream networks and enters the Arctic Ocean.
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