Variable:
Downward short-wave irradiance at TOA
Requirements defined for Downward short-wave irradiance at TOA (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 786 | Downward short-wave irradiance at TOA | TOA | 2.5 Atmospheric Climate Monitoring | 0.5 | 0.04 W.m-2 0.08 W.m-2 0.12 W.m-2 0.5 |
0.01 W.m-2 0.02 W.m-2 0.04 W.m-2 0.5 |
10 km 50 km 100 km 0.5 |
60 min 6 h 24 h 0.5 |
60 min 24 h 30 d 0.5 |
Global | firm | 2023-04-27 | GCOS-245: The 2022 ECVs Requirements (GCOS-245) | Requirements for uncertainty are specified at 2-sigma. | |||||||
| 94 | Downward short-wave irradiance at TOA | TOA | Climate-AOPC (deprecated) | 1 W.m-2 1.3 W.m-2 2 W.m-2 |
100 km 200 km 500 km |
3 d 4 d 6 d |
3 d 7 d 24 d |
Global | reasonable | 2007-07-19 | AOPC | See Hansen et L. (1995) in T.R. Karl (Ed.) 1995 Long term climate monitoring by GCOS. Kluwer. Also, Climatic Change 31, Nos. 2-4. Climate forcing by strat O3, need low bias & spectrally-resolved (~1nm) solar irradiance. UV monitoring may need higher freq. |