Methane and nitrous oxide emissions complicate blue carbon assessments

Rosentreter, Judith A., Al-Haj, Alia N., Fulweiler, Robinson W. and Williamson, Phillip ORCID: https://orcid.org/0000-0003-4149-5110 (2021) Methane and nitrous oxide emissions complicate blue carbon assessments. Global Biogeochemical Cycles, 35 (2). ISSN 0886-6236

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Abstract

The role of coastal wetlands as natural ‘blue carbon’ sinks may be counter-acted by emissions of methane (CH4) and nitrous oxide (N2O). Site-specific fluxes of these two potent greenhouse gases from coastal wetlands show high spatial and temporal variability , making global estimates sensitive to statistical assumptions and uncertainties. Here, we review the magnitude of CH4 and N2O fluxes from mangroves, saltmarshes and seagrasses and identify direct and indirect drivers that can control production and consumption pathways. Significant research is required to better quantify fluxes and to understand factors causing flux variability from different transport pathways before restoration of coastal blue carbon ecosystems can be reliably used for climate mitigation.

Item Type:	Article
Uncontrolled Keywords:	blue carbon,climate benefits,coastal wetlands,methane,nitrous oxide,offsets,environmental science(all),global and planetary change,environmental chemistry,atmospheric science,sdg 13 - climate action ,/dk/atira/pure/subjectarea/asjc/2300
Faculty \ School:	Faculty of Science > School of Environmental Sciences University of East Anglia Research Groups/Centres > Theme - ClimateUEA
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	07 Mar 2023 17:30
Last Modified:	20 Mar 2023 12:45
URI:	https://ueaeprints.uea.ac.uk/id/eprint/91428
DOI:	10.1029/2020GB006858

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