Requirement #802 


For variable: O3 Total Column

In application: Climate Monitoring (GCOS)

Goal Breakthrough Threshold
Uncertainty 2 %
Stability/decade (if applicable) 1 %
Horizontal Resolution 20 km 50 km
Vertical Resolution
Observing Cycle 4 h


Validated: 9/26/19 Source: GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
Comment: Requirement for uncertainty in the GCOS IP is mex(2%:5DU) Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data
  • Domain: Atmosphere
    • Subdomain: Atmospheric chemistry
      • Variable: O3 Total Column
        • Applicable (vertical) layers:
          • TC
        • Horizontal Coverage: Global