Ramirez, JA, Baird, AJ orcid.org/0000-0001-8198-3229, Coulthard, TJ et al. (1 more author) (2015) Ebullition of methane from peatlands: Does peat act as a signal shredder? Geophysical Research Letters, 42 (9). pp. 3371-3379. ISSN 0094-8276
Abstract
Bubbling (ebullition) of greenhouse gases, particularly methane, from peatlands has been attributed to environmental forcings, such as changes in atmospheric pressure. However, observations from peat soils suggest that ebullition and environmental forcing may not always be correlated and that interactions between bubbles and the peat structure may be the cause of such decoupling. To investigate this possibility, we used a simple computer model (Model of Ebullition and Gas storAge) to simulate methane ebullition from a model peat. We found that lower porosity peat can store methane bubbles for lengthy periods of time, effectively buffering or moderating ebullition so that it no longer reflects bubble production signals. Our results suggest that peat structure may act as a “signal shredder” and needs to be taken into account when measuring and modeling ebullition.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | (c) 2015, AGU. Reproduced in accordance with the publisher's self-archiving policy. |
Keywords: | cellular automaton; environmental forcing; methane ebullition; peatland |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Geography (Leeds) > River Basin Processes & Management (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 14 Jul 2015 13:14 |
Last Modified: | 01 Jun 2023 15:56 |
Published Version: | http://dx.doi.org/10.1002/2015GL063469 |
Status: | Published |
Publisher: | Blackwell Publishing Ltd |
Identification Number: | 10.1002/2015GL063469 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:88046 |