BackForward Variable: Upward short-wave irradiance at TOA

Definition
Full name Upward short-wave irradiance at TOA
Definition Flux density of solar radiation, reflected by the Earth surface and atmosphere, emitted to space at the top of the atmosphere
Measuring Units W/m2 Uncertainty Units W/m2
Horizontal Res Units km Vertical Res Units
Stability Units W/m2 (Stability /decade)

 

Comment:
Last modified: 2011-06-23
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Atmosphere
    • Sub-domain: Aerosols and radiation
      • Variable: Upward short-wave irradiance at TOA
        • Measured in Layers:
          • TOA
  • Cross-cutting themes:

Requirements defined for Upward short-wave irradiance at TOA  (4)

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
116 Upward short-wave irradiance at TOA TOA Climate-AOPC (deprecated) 5 W/m2
6.5 W/m2
10 W/m2
100 km
200 km
500 km
3 h
4 h
6 h
3 h
6 h
24 h
Global firm 2007-07-19 AOPC Accuracy is consistent with Hansen et al. (1995) in T.R. Karl (Ed.) 1995 Long term climate monitoring by the Global Climate Observing System. Kluwer. Also, Climatic Change 31, Nos. 2-4.
305 Upward short-wave irradiance at TOA TOA 2.1 Global Numerical Weather Prediction and Real-time Monitoring 5 W/m2
10 W/m2
20 W/m2
10 km
30 km
100 km
60 min
3 h
12 h
24 h
5 d
30 d
Global firm 2009-02-10 John Eyre
381 Upward short-wave irradiance at TOA TOA 2.2 High-Resolution Numerical Weather Prediction 5 W/m2
10 W/m2
20 W/m2
2 km
10 km
50 km
30 min
60 min
6 h
60 min
3 h
12 h
Global firm 2011-08-04 T Montmerle
785 Upward short-wave irradiance at TOA TOA 2.5 Atmospheric Climate Monitoring 0.5 0.2 W/m2
0.5 W/m2
1 W/m2
0.5
0.06 W/m2
0.15 W/m2
0.3 W/m2
0.5
10 km
50 km
100 km
0.5
60 min
24 h
30 d
0.5
60 min
24 h
30 d
0.5
Global firm 2023-05-03 GCOS-245: The 2022 ECVs Requirements (GCOS-245) Requirements for uncertainty are specified at 2-sigma.