Variable:
Water Vapour Mixing Ratio
Requirements defined for Water Vapour Mixing Ratio (2)
This tables shows all related requirements. For more
operations/filtering, please consult the full list of
Requirements
Note: In reading the values, goal is marked blue,
breakthrough green, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red
| Id | Variable | Layer | App Area | ATP | Uncertainty | Layer/s Quality | Coverage Quality | Stability / decade | Hor Res | Ver Res | Obs Cyc | Timeliness | Coverage | Conf Level | Val Date | Source | General Comment | Application Area Comment | Horizontal Coverage Comment | Observation Comment | Performance Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1133 | Water Vapour Mixing Ratio | UTLS | 2.5 Atmospheric Climate Monitoring | 0.5 | 0.1 ppmv 0.25 ppmv 0.5 ppmv 0.5 |
0.09 ppmv 0.1 ppmv 0.25 ppmv 0.5 |
15 km 100 km 500 km 0.5 |
10 m 10 m 250 m 0.5 |
3 h 6 h 24 h 0.5 |
60 min 5 d 30 d 0.5 |
Global | firm | 2025-04-11 | GCOS-245: The 2022 ECVs Requirements (GCOS-245) | uncertainty at 2-sigma | ||||||
| 1134 | Water Vapour Mixing Ratio | MUS | 2.5 Atmospheric Climate Monitoring | 0.5 | 0.1 ppmv 0.25 ppmv 0.5 ppmv 0.5 |
0.19 ppmv 0.2 ppmv 0.5 ppmv 0.5 |
50 km 500 km 1500 km 0.5 |
500 m 1000 m 3000 m 0.5 |
3 h 6 h 3 d 0.5 |
60 min 7 d 30 d 0.5 |
Global | firm | 2025-04-11 | GCOS-245: The 2022 ECVs Requirements (GCOS-245) | uncertainty at 2-sigma |