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Forward Modeling and Optimization of Methane Emissions in the South Central United States Using Aircraft Transects Across Frontal Boundaries
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2019
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Source: Geophysical Research Letters, 46(22), 13564-13573
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Journal Title:Geophysical Research Letters
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Description:The South Central United States is a hot spot for anthropogenic methane (CH4) emissions, with contributions from the oil/gas (O&G) and animal agriculture sectors. During frontal weather events, airflow combines enhancements from these emissions into a large plume. In this study, we take CH4and ethane (C2H6) observations from the Atmospheric Carbon and Transport-America campaign and adjust O&G and animal agriculture emissions such that modeled CH4and C2H6enhancements match the observed plume. Results from the joint CH4-C2H6optimization indicate that emissions from the O&G sector are 1.8 ±0.7 (2) times larger than EPA inventory estimates. These results match synthesis work
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Source:Geophysical Research Letters, 46(22), 13564-13573
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ISSN:0094-8276;1944-8007;
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Rights Information:Other
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Compliance:Library
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