Requirement #157 


For variable: COS

In application: Atmospheric Chemistry (deprecated)

Goal Breakthrough Threshold
Uncertainty 15 dimensionless (mol/mol) 18 dimensionless (mol/mol) 25 dimensionless (mol/mol)
Stability/decade (if applicable)
Horizontal Resolution 100 km 200 km 500 km
Vertical Resolution
Observing Cycle 12 h 24 h 3 d
Timeliness 24 h 46 h 7 d


Validated: 5/24/02 Source: GAW Report No. 159
Comment: Strato aerosols (caviat: variable name, definition and units used for these deprecated requirements were changed in 2019; requirements in this table are still expressed in the original units (%) and not in mol/mol as indicated) Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
  • Domain: Atmosphere
    • Subdomain: Atmospheric chemistry
      • Variable: COS
        • Applicable (vertical) layers:
          • UTLS
          • FT
          • PBL
        • Horizontal Coverage: Global