Variable: CH4 Mole Fraction

Definition
Full name CH4 Mole Fraction
Definition 3D field of amount of CH4 (Methane, expressed in moles) divided by the total amount of all constituents in dry air (also expressed in moles)
Measuring Units Dimentionless (mol/mol) Uncertainty Units Dimentionless (mol/mol)
Horizontal Res Units km Vertical Res Units km
Stability Units Dimentionless (mol/mol) (Stability /decade)

 

Comment:
Last modified: 2019-09-27
Classification
  • Domain: Atmosphere
    • Sub-domain: Atmospheric chemistry
      • Variable: CH4 Mole Fraction
        • Measured in Layers:
          • TC
          • TrC
          • MUS
          • UTLS
          • FT
          • PBL
          • M
  • Cross-cutting themes:

Requirements defined for CH4 Mole Fraction  (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 and threshold orange

Id Variable Layer App Area Uncertainty Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source
75 CH4 Mole Fraction MUS
M
Climate-AOPC (deprecated) 2 Dimentionless (mol/mol)
4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
50 km
100 km
250 km
2 km
2.5 km
4 km
3 h
4 h
6 h
30 d
60 d
180 d
Global firm 2007-07-19 AOPC
76 CH4 Mole Fraction FT Climate-AOPC (deprecated) 2 Dimentionless (mol/mol)
4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
50 km
100 km
250 km
2 km
2.5 km
4 km
3 h
4 h
6 h
30 d
60 d
180 d
Global firm 2007-07-19 AOPC
77 CH4 Mole Fraction UTLS Climate-AOPC (deprecated) 2 Dimentionless (mol/mol)
4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
50 km
100 km
250 km
2 km
2.5 km
4 km
3 h
4 h
6 h
30 d
60 d
180 d
Global firm 2007-07-19 AOPC
78 CH4 Mole Fraction PBL Climate-AOPC (deprecated) 2 Dimentionless (mol/mol)
4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
10 km
20 km
50 km
2 km
2.5 km
3 km
3 h
4 h
6 h
30 d
60 d
180 d
Global firm 2007-07-19 AOPC
141 CH4 Mole Fraction MUS
UTLS
FT
PBL
M
Atmospheric Chemistry (deprecated) 2 Dimentionless (mol/mol)
3.4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
50 km
100 km
500 km
1 km
1.6 km
4 km
6 h
10 h
24 h
3 d
4 d
7 d
Global firm 2002-05-24 GAW Report No. 159
79 CH4 Mole Fraction TC Climate-AOPC (deprecated) 2 Dimentionless (mol/mol)
4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
10 km
50 km
250 km
3 h
4 h
6 h
30 d
60 d
180 d
Global reasonable 2007-07-19 AOPC
80 CH4 Mole Fraction TrC Climate-AOPC (deprecated) 2 Dimentionless (mol/mol)
4 Dimentionless (mol/mol)
10 Dimentionless (mol/mol)
10 km
20 km
50 km
3 h
4 h
6 h
30 d
60 d
180 d
Global reasonable 2007-07-19 AOPC
797 CH4 Mole Fraction FT
PBL
Climate Monitoring (GCOS) 5 km
10 km
5 km 4 h Global reasonable 2019-09-25 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
798 CH4 Mole Fraction UTLS Climate Monitoring (GCOS) 100 km
200 km
2 km 4 h Global reasonable 2019-09-25 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)