Articles | Volume 21, issue 5
Atmos. Chem. Phys., 21, 3507–3529, 2021
https://doi.org/10.5194/acp-21-3507-2021
Atmos. Chem. Phys., 21, 3507–3529, 2021
https://doi.org/10.5194/acp-21-3507-2021

Research article 08 Mar 2021

Research article | 08 Mar 2021

Inverse modelling of carbonyl sulfide: implementation, evaluation and implications for the global budget

Jin Ma et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jin Ma on behalf of the Authors (04 Jan 2021)  Author's response    Manuscript
ED: Reconsider after major revisions (08 Jan 2021) by Jan Kaiser
AR by Jin Ma on behalf of the Authors (19 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (21 Jan 2021) by Jan Kaiser
AR by Jin Ma on behalf of the Authors (25 Jan 2021)  Author's response    Manuscript

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Jin Ma on behalf of the Authors (22 Feb 2021)   Author's adjustment   Manuscript
EA: Adjustments approved (22 Feb 2021) by Jan Kaiser
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Short summary
Carbonyl sulfide is an important trace gas in the atmosphere and useful to estimating gross primary productivity in ecosystems, but its sources and sinks remain highly uncertain. Therefore, we applied inverse model system TM5-4DVAR to better constrain the global budget. Our finding is in line with earlier studies, pointing to missing sources in the tropics and more uptake in high latitudes. We also stress the necessity of more ground-based observations and satellite data assimilation in future.
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