Requirement #573 


This requirement is historic and not longer current

For variable: Snow water equivalent

In application: SIAF (deprecated)

Goal Breakthrough Threshold
Uncertainty 5 mm 10 mm 20 mm
Stability/decade (if applicable)
Horizontal Resolution 50 km 100 km 500 km
Vertical Resolution
Observing Cycle 24 h 2 d 7 d
Timeliness 24 h 2 d 7 d


Validated: 1/19/09 Source: Laura Ferranti
Comment: Confidence: tentative
Def: :Positive impact expected but not yet validated due to lack of suitable data and/or models
  • Domain: Terrestrial
    • Subdomain: Land surface
      • Variable: Snow water equivalent
        • Applicable (vertical) layers:
          • Land surface
        • Horizontal Coverage: Global land