Requirement #817 

Values

For variable: Integrated Water Vapour (IWV)

In application: 2.5 Atmospheric Climate Monitoring

Application-dependent Technical Priority: 0.5

Goal Breakthrough Threshold Priority
Uncertainty 0.1 kg.m-2 0.5 kg.m-2 1 kg.m-2 0.5
Layer/s Quality
Coverage Quality
Stability/decade (if applicable) 0.1 kg.m-2 0.2 kg.m-2 0.5 kg.m-2 0.5
Horizontal Resolution 25 km 250 km 1000 km 0.5
Vertical Resolution
Observing Cycle 12 min 60 min 24 h 0.5
Timeliness 24 h 5 d 30 d 0.5

 

Validated: 4/27/23 Source: GCOS-245: The 2022 ECVs Requirements (GCOS-245)
General Comment: Requirements for uncertainty are specified at 2-sigma. Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
Application Area Comment: Horizontal Coverage Comment:
Observation Comment: Performance Comment:
Specifications
  • Domain: Atmosphere