Requirement #108 

Values

For variable: Snow cover

In application: Climate-AOPC (deprecated)

Goal Breakthrough Threshold
Uncertainty 10 % 13 % 20 %
Stability/decade (if applicable)
Horizontal Resolution 100 km 200 km 500 km
Vertical Resolution
Observing Cycle 24 h 2 d 7 d
Timeliness 6 h 12 h 24 h

 

Validated: 7/19/07 Source: AOPC
Comment: For model assimilation. Decadal changes may be of order 5% (N. Nicholls et al. 1996 Observed Climate Variability and Change. Chapter 2 of Climate Change 1995 (IPCC Second Assessment).) Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
Specifications
  • Domain: Terrestrial
    • Subdomain: Land surface
      • Variable: Snow cover
        • Applicable (vertical) layers:
          • Land surface
        • Horizontal Coverage: Global land