The role of OCO-3 XCO2 retrievals in estimating global terrestrial net ecosystem exchanges

1.Exp_OCO3.zip includes regional posterior carbon fluxes from the assimilation using OCO-3 observations. 2.Exp_OCO2.zip includes regional posterior carbon fluxes from the assimilation using OCO-2 observations. 3.Exp_OCO3&2.zip includes regional posterior carbon fluxes from the joint assimilation using OCO-3 and OCO-2 observations together. 4.posterior.fluxes.Exp_OCO3.nc includes information on the spatial distribution of annual as well as monthly posterior carbon fluxes from the assimilation using OCO-3 observations during August 2019 to December 2022. 5.posterior.fluxes.Exp_OCO2.nc includes information on the spatial distribution of annual as well as monthly posterior carbon fluxes from the assimilation using OCO-2 observations during August 2019 to December 2022. 6.posterior.fluxes.Exp_OCO3&2.nc includes information on the spatial distribution of annual as well as monthly posterior carbon fluxes from the joint assimilation using OCO-3 and OCO-2 observations together during August 2019 to December 2022. 7.evaluation_result.txt includes the results of the evaluation of posterior carbon fluxes using independent CO2 observations from 66 surface flask sites.