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Daily global gridded estimates of atmospheric carbon dioxide (XCO2) are produced by assimilating Orbiting Carbon Observatory-2 (OCO-2) satellite retrievals into the Goddard Earth Observing System (GEOS) model. The dataset uses a 3D-Var data assimilation technique to gap-fill observations, addressing coverage gaps from OCO-2's narrow 10-km track and cloud interference. It provides a synthesized view of CO2 concentrations based on satellite measurements and atmospheric transport modeling.
License details are unspecified ('other-license-specified'). The future-dated 'last updated' metadata (2026-04-09) suggests potential metadata errors.