BackForward Variable: Chemical Composition of Aerosol Particles

Definition
Full name Chemical Composition of Aerosol Particles
Definition Aerosol particles are chemically composed of inorganic salts (ammonium sulfates, ammoniumnitrate, and sea salt), organic compounds, Elemental Carbon (EC), dust, and volcanic ash.
Measuring Units μg m-3 Uncertainty Units μg m-3
Horizontal Res Units km Vertical Res Units km
Stability Units % (Stability /decade)

 

Comment:
Last modified: 2025-04-15
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Atmosphere
    • Sub-domain: Aerosols and radiation
      • Variable: Chemical Composition of Aerosol Particles
        • Measured in Layers:
  • Cross-cutting themes:

Requirements defined for Chemical Composition of Aerosol Particles  (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, 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
1141 Chemical Composition of Aerosol Particles 2.5 Atmospheric Climate Monitoring 0.5 20 μg m-3
40 μg m-3
60 μg m-3
0.5 		2 %
2 %
4 %
0.5 		50 km
100 km
500 km
0.5 		1 km
5 km 		24 h
30 d
90 d
0.5 		2 h
24 h
1 y
0.5 		Global firm 2025-04-15 GCOS-245: The 2022 ECVs Requirements (GCOS-245) uncertainty at 2-sigma