BackForward Variable: Aerosol Absorption Optical Depth

Full name Aerosol Absorption Optical Depth
Definition Vertical column integral of spectral aerosol absorption coefficient: AAOD = exp(-K. Δz) where K is the absorption coefficient [km-1] and Δz the vertical path [km]
Measuring Units Dimensionless Uncertainty Units Dimensionless
Horizontal Res Units km Vertical Res Units N/A
Stability Units Dimensionless (Stability /decade)


Last modified: 2011-11-11
Applied in OSCAR/Space Gap Analysis: No
  • Domain: Atmosphere
    • Sub-domain: Aerosols and radiation
      • Variable: Aerosol Absorption Optical Depth
        • Measured in Layers:
          • TC
          • TrC
          • MUS
          • UTLS
          • FT
          • PBL
          • M
  • Cross-cutting themes:

Requirements defined for Aerosol Absorption Optical Depth  (1)

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
684 Aerosol Absorption Optical Depth MUS
Climate-AOPC (deprecated) 0.004 Dimensionless
0.01 Dimensionless
0.02 Dimensionless
1 km
2 km
10 km
24 h
2 d
7 d
7 d
14 d
60 d
Global reasonable 2007-07-19 AOPC