Requirement #875 


For variable: CO2 column average dry air mixing ratio

In application: Forecasting Atmospheric Composition

Goal Breakthrough Threshold
Uncertainty 0.6 μmol/mol 1 μmol/mol 1.6 μmol/mol
Stability/decade (if applicable) 0.1 μmol/mol 0.15 μmol/mol 0.2 μmol/mol
Horizontal Resolution 1 km 5 km 10 km
Vertical Resolution
Observing Cycle 60 min 12 h 3 d
Timeliness 24 h 7 d 14 d


Validated: 12/9/21 Source: GAW Expert Team on Atmospheric Composition Network Design and Evolution
Comment: Uncertainties are provided as 2 sigma. They represent the sum of random and systematic error. ESA URD-GHGCCI-v2016, Green report Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models