| Alternative title | Measured Canadian oil sands CO2 emissions are higher than estimates made using internationally recommended methods |
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| DOI | Resolve DOI: https://doi.org/10.1038/s41467-019-09714-9 |
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| Author | Search for: Liggio, John; Search for: Li, Shao-Meng; Search for: Staebler, Ralf M.; Search for: Hayden, Katherine; Search for: Darlington, Andrea; Search for: Mittermeier, Richard L.; Search for: O’Brien, Jason; Search for: McLaren, Robert; Search for: Wolde, Mengistu1; Search for: Worthy, Doug; Search for: Vogel, Felix |
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| Affiliation | - National Research Council Canada. Aerospace
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| Format | Text, Article |
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| Subject | attribution; climate change mitigation |
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| Abstract | The oil and gas (O&G) sector represents a large source of greenhouse gas (GHG) emissions globally. However, estimates of O&G emissions rely upon bottom-up approaches, and are rarely evaluated through atmospheric measurements. Here, we use aircraft measurements over the Canadian oil sands (OS) to derive the first top-down, measurement-based determination of the their annual CO₂ emissions and intensities. The results indicate that CO₂ emission intensities for OS facilities are 13–123% larger than those estimated using publically available data. This leads to 64% higher annual GHG emissions from surface mining operations, and 30% higher overall OS GHG emissions (17 Mt) compared to that reported by industry, despite emissions reporting which uses the most up to date and recommended bottom-up approaches. Given the similarity in bottom-up reporting methods across the entire O&G sector, these results suggest that O&G CO₂ emissions inventory data may be more uncertain than previously considered. |
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| Publication date | 2019-04-23 |
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| Publisher | Nature Research |
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| Licence | |
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| Note | Author Correction published in volume 13, issue 1, article no. 7349, November 29, 2022. DOI: 10.1038/s41467-022-35220-6 |
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| Language | English |
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| Peer reviewed | Yes |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | f848b1ea-466f-4a46-a1a6-1a87a709b67c |
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| Record created | 2020-11-30 |
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| Record modified | 2023-10-04 |
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