BackForward Variable: Aerosol Number Size Distribution

Definition
Full name Aerosol Number Size Distribution
Definition The particle number size distribution (PNSD) describes the number of particles in multiple specified size ranges.
Measuring Units dimensionless Uncertainty Units %
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: Aerosol Number Size Distribution
        • Measured in Layers:
  • Cross-cutting themes:

Requirements defined for Aerosol Number Size Distribution  (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
1143 Aerosol Number Size Distribution 2.5 Atmospheric Climate Monitoring 0.5 2 
4 
10 
0.5 		50 km
100 km
500 km
0.5 		1 km
5 km 		58 min
24 h
30 d
0.5 		6 h
30 d
1 y
0.5 		Global firm 2025-04-15 GCOS-245: The 2022 ECVs Requirements (GCOS-245) uncertainty at 2 sigma Uncertainty: 40% in number and 20% in size 60% in number and 40% in size 40% in number for fine-mode and 100% in number for coarse