BackForward Variable: Downward short-wave irradiance at TOA

Definition
Full name Downward short-wave irradiance at TOA
Definition Flux density of the solar radiation at the top of the atmosphere
Measuring Units W.m-2 Uncertainty Units W.m-2
Horizontal Res Units km Vertical Res Units
Stability Units W.m-2 (Stability /decade)

 

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

Requirements defined for Downward short-wave irradiance at TOA  (3)

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
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.
230 Downward short-wave irradiance at TOA TOA Climate Modelling Research (deprecated) 0.1 W.m-2
0.3 W.m-2
1 W.m-2
25 km
50 km
100 km
24 h
2 d
6 d
30 d
45 d
90 d
Global reasonable 1998-10-29 WCRP
786 Downward short-wave irradiance at TOA TOA 2.5 Armospheric Climate Forecasting and Monitoring Global reasonable 2019-09-25 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016) No requirements are given for this variable as units in the GCOS IP do not match the ones in OSCAR/requirements