Requirement #820 


For variable: Lake level

In application: Climate Monitoring (GCOS)

Goal Breakthrough Threshold
Uncertainty 3 cm 10 cm
Stability/decade (if applicable) 1 cm
Horizontal Resolution 0.1 km
Vertical Resolution
Observing Cycle


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. The uncertainty is 3 cm for large lakes and 10 cm for the remainder. Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data
  • Domain: Terrestrial
    • Subdomain: Land surface
      • Variable: Lake level
        • Applicable (vertical) layers:
          • Land surface
        • Horizontal Coverage: Global