Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
Articles | Volume 14, issue 5
Articles | Volume 14, issue 5
Atmos. Meas. Tech., 14, 3837–3869, 2021
https://doi.org/10.5194/amt-14-3837-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Meas. Tech., 14, 3837–3869, 2021
https://doi.org/10.5194/amt-14-3837-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 5
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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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.
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