BackForward Variable: Total alkalinity (AT)

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

 

Comment:
Last modified: 2024-04-24
Applied in OSCAR/Space Gap Analysis: No
Classification
  • Domain: Ocean
    • Sub-domain: Ocean
      • Variable: Total alkalinity (AT)
        • Measured in Layers:
          • Sea surface
  • Cross-cutting themes:

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
1061 Total alkalinity (AT) 3.3 Oceanic Climate Monitoring and Services 0.5 2 μmol kg⁻1
2 μmol kg⁻1 		1000 km
2000 km 		90 d
10 y 		183 d
1 y 		Global reasonable 2023-10-11 GCOS-245: The 2022 ECVs Requirements (GCOS-245) CAREFUL: the units do not correspond to the ones in GCOS IP (micromol/Kg instead of mol/Kg). Same with uncertainty.