Articles | Volume 14, issue 1
Earth Syst. Sci. Data, 14, 325–360, 2022
https://doi.org/10.5194/essd-14-325-2022
Earth Syst. Sci. Data, 14, 325–360, 2022
https://doi.org/10.5194/essd-14-325-2022
Data description paper
31 Jan 2022
Data description paper | 31 Jan 2022

An 11-year record of XCO2 estimates derived from GOSAT measurements using the NASA ACOS version 9 retrieval algorithm

Thomas E. Taylor et al.

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Short summary
We provide an analysis of an 11-year record of atmospheric carbon dioxide (CO2) concentrations derived using an optimal estimation retrieval algorithm on measurements made by the GOSAT satellite. The new product (version 9) shows improvement over the previous version (v7.3) as evaluated against independent estimates of CO2 from ground-based sensors and atmospheric inversion systems. We also compare the new GOSAT CO2 values to collocated estimates from NASA's Orbiting Carbon Observatory-2.