BackForward Variable: CH4 Tropospheric column

Full name CH4 Tropospheric column
Definition 2D field of total amount of CH4 molecules per unit area in an atmospheric column extending from the Earth’s surface to the tropopause.
Measuring Units Uncertainty Units %
Horizontal Res Units km Vertical Res Units
Stability Units % (Stability /decade)


Last modified: 2019-09-26
Applied in OSCAR/Space Gap Analysis: No
  • Domain: Atmosphere
    • Sub-domain: Atmospheric chemistry
      • Variable: CH4 Tropospheric column
        • Measured in Layers:
          • TrC
  • Cross-cutting themes:

Requirements defined for CH4 Tropospheric column  (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
801 CH4 Tropospheric column TrC 2.5 Armospheric Climate Forecasting and Monitoring 5 km
10 km
4 h Global reasonable 2019-09-26 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016) Requirements for uncertainty and stability in the GCOS IP are expressed in ppb