Articles | Volume 21, issue 23
Atmos. Chem. Phys., 21, 17607–17629, 2021
https://doi.org/10.5194/acp-21-17607-2021
Atmos. Chem. Phys., 21, 17607–17629, 2021
https://doi.org/10.5194/acp-21-17607-2021

Research article 03 Dec 2021

Research article | 03 Dec 2021

Long-term atmospheric emissions for the Coal Oil Point natural marine hydrocarbon seep field, offshore California

Ira Leifer et al.

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Seep_Air_Data Ira Leifer https://doi.org/10.17632/znzhxkftm8.1

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Short summary
We demonstrate a novel application using air quality station data to derive 3-decade-averaged emissions from the Coal Oil Point (COP) seep field, a highly spatially and temporally variable geological migration system. Emissions were 19 Gg per year, suggesting that the COP seep field contributes 0.27 % of the global marine seep budget based on a recent estimate. This provides an advance over snapshot survey values by accounting for seasonal and interannual variations.
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