BackForward Variable: HCHO Total Column

Full name HCHO Total Column
Definition 2D field of total amount of HCHO molecules (Formaldehyde)  per unit area in an atmospheric column extending from the Earth’s surface to the upper edge of the atmosphere.
Measuring Units  molecules/cm2 Uncertainty Units  molecules/cm2
Horizontal Res Units km Vertical Res Units
Stability Units  molecules/cm2 (Stability /decade)


Last modified: 2021-11-25
Applied in OSCAR/Space Gap Analysis: Yes
  • Domain: Atmosphere
    • Sub-domain: Atmospheric chemistry
      • Variable: HCHO Total Column
        • Measured in Layers:
          • TC
  • Cross-cutting themes:

Requirements defined for HCHO Total Column  (2)

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
140 HCHO Total Column TC Atmospheric Chemistry (deprecated) 5  molecules/cm2
7.2  molecules/cm2
15  molecules/cm2
50 km
100 km
500 km
24 h
30 h
2 d
3 d
4 d
7 d
Global firm 2002-05-24 GAW Report No. 159 Ozone precursor
900 HCHO Total Column 2.5 Armospheric Climate Forecasting and Monitoring Global firm AOPC