Variable: Downward long-wave irradiance at Earth surface

Definition
Full name Downward long-wave irradiance at Earth surface
Definition Flux density of radiation emitted by the gases, aerosols and clouds of the atmosphere to the Earth's surface
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
Classification
  • Domain: Atmosphere
    • Sub-domain: Aerosols and radiation
      • Variable: Downward long-wave irradiance at Earth surface
        • Measured in Layers:
          • Near Surface
  • Cross-cutting themes:

Requirements defined for Downward long-wave irradiance at Earth surface  (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 and threshold orange

Id Variable Layer App Area Uncertainty Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source
95 Downward long-wave irradiance at Earth surface Near Surface Climate-AOPC (deprecated) 5 W.m-2
6.5 W.m-2
10 W.m-2
25 km
50 km
100 km
3 h
4 h
6 h
24 h
2 d
5 d
Global firm 2007-07-19 AOPC
275 Downward long-wave irradiance at Earth surface Near Surface Global NWP 1 W.m-2
10 W.m-2
20 W.m-2
10 km
30 km
100 km
60 min
3 h
12 h
24 h
5 d
30 d
Global reasonable 2009-02-10 John Eyre
787 Downward long-wave irradiance at Earth surface Near Surface Climate Monitoring (GCOS) 1 W.m-2 0.2 W.m-2 100 km 30 d Global reasonable 2019-09-25 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
702 Downward long-wave irradiance at Earth surface Near Surface Nowcasting / VSRF 1 W.m-2
10 W.m-2
20 W.m-2
5 km
15 km
50 km
60 min
3 h
12 h
60 min
3 h
12 h
Global tentative 2013-04-15 P. Ambrosetti