Articles | Volume 14, issue 5
Atmos. Meas. Tech., 14, 3837–3869, 2021
https://doi.org/10.5194/amt-14-3837-2021
Atmos. Meas. Tech., 14, 3837–3869, 2021
https://doi.org/10.5194/amt-14-3837-2021

Research article 26 May 2021

Research article | 26 May 2021

XCO2 retrieval for GOSAT and GOSAT-2 based on the FOCAL algorithm

Stefan Noël 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 Stefan Noël on behalf of the Authors (09 Mar 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (09 Mar 2021) by Joanna Joiner
RR by Anonymous Referee #2 (15 Mar 2021)
RR by Anonymous Referee #1 (02 Apr 2021)
ED: Publish as is (02 Apr 2021) by Joanna Joiner
ED: Publish subject to technical corrections (09 Apr 2021) by Joanna Joiner
AR by Stefan Noël on behalf of the Authors (12 Apr 2021)  Author's response    Manuscript
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Short summary
We present the first GOSAT and GOSAT-2 XCO2 data derived with the FOCAL retrieval algorithm. Comparisons of the GOSAT-FOCAL product with other data reveal long-term agreement within about 1 ppm over 1 decade, differences in seasonal variations of about 0.5 ppm, and a mean regional bias to ground-based TCCON data of 0.56 ppm with a mean scatter of 1.89 ppm. GOSAT-2-FOCAL data are preliminary only, but first comparisons show that they compare well with the GOSAT-FOCAL results and TCCON.