Requirement #827 


For variable: Fraction of Absorbed PAR (FAPAR)

In application: Climate Monitoring (GCOS)

Goal Breakthrough Threshold
Uncertainty 10 %
Stability/decade (if applicable) 3 %
Horizontal Resolution 0.05 km 0.2 km 0.5 km
Vertical Resolution
Observing Cycle 24 h


Validated: 9/30/19 Source: GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
Comment: Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level. Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data
  • Domain: Atmosphere