BackForward Variable: O3 Total Column

Definition
Full name O3 Total Column
Definition 2D field of total amount of O3 molecules per unit area  in an atmospheric column extending from the Earth’s surface to the upper edge of the atmosphere (Dobson units).
Measuring Units molecules.cm-2 * Uncertainty Units %
Horizontal Res Units km Vertical Res Units
Stability Units % (Stability /decade)

 

Comment: *Also used Dobson units
Last modified: 2019-09-26
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Atmosphere
    • Sub-domain: Atmospheric chemistry
      • Variable: O3 Total Column
        • Measured in Layers:
          • TC
          • TrC
  • Cross-cutting themes:

Requirements defined for O3 Total Column  (9)

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
102 O3 Total Column TC Climate-AOPC (deprecated) 5 %
8 %
15 %
5 km
10 km
50 km
3 h
9 h
3 d
30 d
60 d
180 d
Global firm 2007-07-19 AOPC
103 O3 Total Column TrC Climate-AOPC (deprecated) 5 %
8 %
15 %
5 km
10 km
50 km
3 h
9 h
3 d
30 d
60 d
180 d
Global firm 2007-07-19 AOPC
184 O3 Total Column TC Atmospheric Chemistry (deprecated) 6 %
9 %
20 %
25 km
39.7 km
100 km
6 h
12 h
2 d
3 h
12 h
7 d
Global firm 2002-05-24 GAW Report No. 159 UVB pred/anal, Dynamics
286 O3 Total Column TC 2.1 Global Numerical Weather Prediction and Real-time Monitoring 5 %
10 %
20 %
15 km
100 km
250 km
60 min
6 h
12 h
6 min
30 min
6 h
Global firm 2009-02-10 John Eyre
802 O3 Total Column TC 2.5 Atmospheric Climate Monitoring 0.5 1 %
2 %
3 %
0.5
1 %
2 %
3 %
0.5
20 km
100 km
500 km
0.5
60 min
24 h
30 d
0.5
60 min
24 h
30 d
0.5
Global firm 2023-05-03 GCOS-245: The 2022 ECVs Requirements (GCOS-245) Requirement for uncertainty at 2-sigma
912 O3 Total Column TC Forecasting Atmospheric Composition 1 %
5 %
5 km
100 km
6 h
24 h
60 min
3 h
Global firm 2022-01-05 GAW Expert Team on Atmospheric Composition Network Design and Evolution Uncertainties are provided as 2 sigma. They represent the sum of random and systematic error.
913 O3 Total Column TC 2.6 Atmospheric Composition Forecasting and Monitoring 1 %
3 %
5 km
100 km
6 h
3 d
24 h
30 d
Global firm 2022-01-05 GAW Expert Team on Atmospheric Composition Network Design and Evolution Uncertainties are provided as 2 sigma. They represent the sum of random and systematic error.
367 O3 Total Column TC 2.2 High-Resolution Numerical Weather Prediction 5 %
10 %
20 %
2 km
10 km
40 km
30 min
2 h
6 h
15 min
30 min
2 h
Global reasonable 2011-07-29 T Montmerle
911 O3 Total Column TC Atmospheric Chemistry (deprecated) 1 %
2 %
3 %
5 km
100 km
6 sec
3 sec
1 sec
30 sec
Global speculative 2021-12-16 GAW Expert Team on Atmospheric Composition Network Design and Evolution Other TC units: millimoles per square metre mmol/m2. One Dobson Unit (DU)=0.4462 mmol/m2 or 2.687x10^16 molecules cm-2. Uncertainties are provided as 2 sigma. They represent the sum of random and systematic error.