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Articles | Volume 14, issue 7
Articles | Volume 14, issue 7
https://doi.org/10.5194/bg-14-1793-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-1793-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 14, issue 7
Research article
 | 
04 Apr 2017
Research article |  | 04 Apr 2017

Temporal changes in photoreactivity of dissolved organic carbon and implications for aquatic carbon fluxes from peatlands

Amy E. Pickard, Kate V. Heal, Andrew R. McLeod, and Kerry J. Dinsmore

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Short summary
Peatland catchments export significant volumes of photoreactive carbon to aquatic systems, particularly headwater streams. Delivery of photoreactive material is subject to seasonal variation, and is also influenced by the timing and magnitude of rainfall events. We suggest that photoprocessing of peatland derived carbon may contribute to carbon dioxide emissions from aquatic systems, although considerable uncertainty remains as to how much material is processed in situ within these systems.
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