BackForward Variable: Total alkalinity (AT)

Full name Total alkalinity (AT)
Definition The amount of acid necessary to titrate all weak bases in seawater.
Measuring Units Mol. Kg-1 Uncertainty Units %
Horizontal Res Units km Vertical Res Units
Stability Units % (Stability /decade)


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

Requirements defined for Total alkalinity (AT)  (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
697 Total alkalinity (AT) Sea surface SOLAS 5 %
10 %
20 %
10 km
20 km
50 km
10 d
30 d
60 d
Global ocean tentative 2012-12-03 WCRP (M.Rixen)