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Volume 17, issue 12
Atmos. Chem. Phys., 17, 7839–7851, 2017
https://doi.org/10.5194/acp-17-7839-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Greenhouse gAs Uk and Global Emissions (GAUGE) project (ACP/AMT...

Atmos. Chem. Phys., 17, 7839–7851, 2017
https://doi.org/10.5194/acp-17-7839-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 29 Jun 2017

Research article | 29 Jun 2017

Estimating the size of a methane emission point source at different scales: from local to landscape

Stuart N. Riddick et al.

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The GAUGE (Greenhouse gAs UK and Global Emissions Project Centre for Environmental Data Analysis (CEDA) http://catalogue.ceda.ac.uk/uuid/9fb1936a4a434befb772c53f79259fe7

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High methane mixing ratios occurred at our long-term measurement site. Isotopic measurements show the source is a landfill 7 km away; the emissions were estimated using three different approaches. The emission estimates made by near-source and middle-distance methods agree well for a period of intense observation. The estimate of the inverse modelling is similar to the labour-intensive middle-distance approach, which shows it can be used to identify point sources within an emission landscape.
High methane mixing ratios occurred at our long-term measurement site. Isotopic measurements...
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