BackForward Variable: pH

Full name pH
Definition The hydrogen ion concentration in seawater, which is a measure of acidity and alkalinity
Measuring Units Dimensionless Uncertainty Units pH units
Horizontal Res Units km Vertical Res Units N/A
Stability Units pH units (Stability /decade)


Last modified:
Applied in OSCAR/Space Gap Analysis: No
  • Domain: Ocean
    • Sub-domain: Ocean
      • Variable: pH
        • Measured in Layers:
          • Sea surface
  • Cross-cutting themes:
  • Earth System Application Categories and its related Application Areas:
  • Unknown:

Requirements defined for pH  (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
696 pH Sea surface SOLAS 0.001 pH units
0.01 pH units
0.1 pH units
10 km
20 km
50 km
24 h
2 d
6 d
30 d
45 d
60 d
Global ocean tentative 2012-12-18 WCRP (M.Rixen)