Articles | Volume 22, issue 3
Atmos. Chem. Phys., 22, 2121–2133, 2022
https://doi.org/10.5194/acp-22-2121-2022
Atmos. Chem. Phys., 22, 2121–2133, 2022
https://doi.org/10.5194/acp-22-2121-2022

Research article 15 Feb 2022

Research article | 15 Feb 2022

Using carbon-14 and carbon-13 measurements for source attribution of atmospheric methane in the Athabasca oil sands region

Regina Gonzalez Moguel et al.

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Fort McKay South CH4 and CO2 mole fractions August 2019 Regina Gonzalez Moguel, Peter Douglas, Felix Vogel, Sebastien Ars, Hinrich Schaefer, and Jocelyn Turnbull https://doi.org/10.6084/m9.figshare.17217542.v1

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Short summary
Evaluating methane (CH4) sources in the Athabasca oil sands region (AOSR) is crucial to effectively mitigate CH4 emissions. We tested the use of carbon isotopes to estimate source contributions from key CH4 sources in the AOSR and found that 56 ± 18 % of CH4 emissions originated from surface mining and processing facilities, 34 ± 18 % from tailings ponds, and 10 ± < 1 % from wetlands, confirming previous findings and showing that this method can be successfully used to partition CH4 sources.
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