BackForward Variable: N2O

Definition
Full name N2O
Definition 3D field of amountĀ  of N2O (Nitrous oxide, expressed in moles) divided by the total amount of all constituents in dry air (also expressed in moles)
Measuring Units ppb Uncertainty Units ppb
Horizontal Res Units km Vertical Res Units km
Stability Units ppb (Stability /decade)

 

Comment:
Last modified: 2022-05-19
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Atmosphere
    • Sub-domain: Atmospheric chemistry
      • Variable: N2O
        • Measured in Layers:
          • MUS
          • UTLS
          • FT
          • PBL
          • M
  • Cross-cutting themes:

Requirements defined for N2O  (4)

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
167 N2O MUS
UTLS
FT
PBL
M
Atmospheric Chemistry (deprecated) 2 ppb
4.3 ppb
20 ppb
100 km
200 km
500 km
6 h
10 h
24 h
3 d
4 d
7 d
Global firm 2002-05-24 GAW Report No. 159 Atmos dynamics, Rad clim, Ozone chem (caviat: variable name, definition and units used for these deprecated requirements were changed in 2019; requirements in this table are still expressed in the original units (%) and not in mol/mol as indicated)
863 N2O 2.6 Atmospheric Composition Forecasting and Monitoring Global firm GAW Expert Team on Atmospheric Composition Network Design and Evolution
864 N2O Forecasting Atmospheric Composition Global firm GAW Expert Team on Atmospheric Composition Network Design and Evolution
865 N2O MUS
UTLS
FT
PBL
M
2.5 Atmospheric Climate Monitoring 0.5 0.05 ppb
0.1 ppb
0.3 ppb
0.5
0.05 ppb
0.05 ppb
0.2 ppb
0.5
100 km
500 km
2000 km
0.5
0.1 km
1 km
3 km
0.5
60 min
24 h
7 d
0.5
24 h
30 d
180 d
0.5
Global firm 2023-05-03 GCOS-245: The 2022 ECVs Requirements (GCOS-245) Uncertainty specified at 2-sigma