Articles | Volume 21, issue 19
Atmos. Chem. Phys., 21, 15153–15170, 2021
https://doi.org/10.5194/acp-21-15153-2021
Atmos. Chem. Phys., 21, 15153–15170, 2021
https://doi.org/10.5194/acp-21-15153-2021

Research article 12 Oct 2021

Research article | 12 Oct 2021

Temporary pause in the growth of atmospheric ethane and propane in 2015–2018

Hélène Angot et al.

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Short summary
After a multidecadal global decline in atmospheric abundance of ethane and propane (precursors of tropospheric ozone and aerosols), previous work showed a reversal of this trend in 2009–2015 in the Northern Hemisphere due to the growth in oil and natural gas production in North America. Here we show a temporary pause in the growth of atmospheric ethane and propane in 2015–2018 and highlight the critical need for additional top-down studies to further constrain ethane and propane emissions.
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