Requirement #804 


For variable: SO2 Tropospheric Column

In application: Climate Monitoring (GCOS)

Goal Breakthrough Threshold
Uncertainty 30 %
Stability/decade (if applicable) 5 % (stability/decade)
Horizontal Resolution 5 km 10 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 expressed as max (30%; 0.04 DU) Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data
  • Domain: Atmosphere
    • Subdomain: Atmospheric chemistry