Methane emissions in the United States, Canada, and Mexico: evaluation of national methane emission inventories and 2010–2017 sectoral trends by inverse analysis of in situ (GLOBALVIEWplus CH4 ObsPack) and satellite (GOSAT) atmospheric observations
Xiao Lu et al.
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Total article views: 4,089 (including HTML, PDF, and XML)
Thereof 4,307 with geography defined
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Total article views: 2,734 (including HTML, PDF, and XML)
Thereof 2,853 with geography defined
and -119 with unknown origin.
Total article views: 1,355 (including HTML, PDF, and XML)
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We evaluate methane emissions and trends for 2010–2017 in the gridded national emission inventories for the United States, Canada, and Mexico by inversion of in situ and satellite methane observations. We find that anthropogenic methane emissions for all three countries are underestimated in the national inventories, largely driven by oil emissions. Anthropogenic methane emissions in the US peak in 2014, in contrast to the report of a steadily decreasing trend over 2010–2017 from the US EPA.
We evaluate methane emissions and trends for 2010–2017 in the gridded national emission...