Net carbon dioxide emissions from an eroding Atlantic blanket bog

Artz, Rebekka R.E.; Coyle, Mhairi ORCID:; Donaldson‑Selby, Gillian; Morrison, Ross ORCID: 2022 Net carbon dioxide emissions from an eroding Atlantic blanket bog. Biogeochemistry, 159 (2). 233-250.

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The net impact of greenhouse gas emissions from degraded peatland environments on national Inventories and subsequent mitigation of such emissions has only been seriously considered within the last decade. Data on greenhouse gas emissions from special cases of peatland degradation, such as eroding peatlands, are particularly scarce. Here, we report the first eddy covariance-based monitoring of carbon dioxide (CO2) emissions from an eroding Atlantic blanket bog. The CO2 budget across the period July 2018–November 2019 was 147 (± 9) g C m−2. For an annual budget that contained proportionally more of the extreme 2018 drought and heat wave, cumulative CO2 emissions were nearly double (191 g C m−2) of that of an annual period without drought (106 g C m−2), suggesting that direct CO2 emissions from eroded peatlands are at risk of increasing with projected changes in temperatures and precipitation due to global climate change. The results of this study are consistent with chamber-based and modelling studies that suggest degraded blanket bogs to be a net source of CO2 to the atmosphere, and provide baseline data against which to assess future peatland restoration efforts in this region.

Item Type: Publication - Article
Digital Object Identifier (DOI):
UKCEH and CEH Sections/Science Areas: Atmospheric Chemistry and Effects (Science Area 2017-)
Hydro-climate Risks (Science Area 2017-)
ISSN: 0168-2563
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
Additional Keywords: peatland, blanket bog, peat erosion, carbon dioxide, net ecosystem exchange, restoration, Eddy covariance
NORA Subject Terms: Agriculture and Soil Science
Atmospheric Sciences
Date made live: 20 Apr 2022 16:31 +0 (UTC)

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