GCOS Essential Climate Variables - Atmospheric Composition

Facilitating Access to Global Observing Systems Data and Information

GCOS Essential Climate Variables (ECV)

Atmospheric/Composition/Hydrofluorocarbons (HFCs)

Non-Satellite or in-situ	Satellite
WDCGG > Greenhouse Gases Data GAWSIS > Global Atmosphere Watch Station Information System ALE/GAGE/AGAGE > Atmospheric Lifetime, Global Atmospheric Gases, Advanced Global Atmospheric Gases Experiment Trace Gases from the Atmospheric Lifetime Experiment NIES > National Institute for Environmental Studies Database