BackForward Variable: Ocean dynamic topography

Definition
Full name Ocean dynamic topography
Definition Deviation of sea level from the geoid caused by ocean currents (after corrections for tides and atmospheric pressure effects) - Physical unit: [ cm ] - Accuracy unit: [ cm ].
Measuring Units cm Uncertainty Units cm
Horizontal Res Units km Vertical Res Units
Stability Units cm (Stability /decade)

 

Comment:
Last modified:
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Ocean
    • Sub-domain: Ocean
      • Variable: Ocean dynamic topography
        • Measured in Layers:
          • Sea surface
  • Cross-cutting themes:

Requirements defined for Ocean dynamic topography  (4)

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
198 Ocean dynamic topography Sea surface CLIVAR (deprecated) 2 cm
3 cm
5 cm 		100 km
150 km
200 km 		5 d
7 d
10 d 		10 d
15 d
30 d 		Global ocean speculative 1998-10-29 WCRP Gravity mission needed
553 Ocean dynamic topography Sea surface Climate-OOPC (deprecated) 1 cm
1.5 cm
5 cm 		25 km
50 km
250 km 		24 h
3 d
30 d 		3 h
6 h
24 h 		Global ocean firm 2007-07-19 OOPC
754 Ocean dynamic topography 2.4 Sub-Seasonal to Longer Predictions 1 cm
2 cm
4 cm 		25 km
40 km
100 km 		7 d
15 d
30 d 		2 d
5 d
15 d 		Global ocean firm 2009-01-19 Laura Ferranti
841 Ocean dynamic topography Sea surface 2.5 Atmospheric Climate Monitoring 0.5 0.2 cm
0.4 cm 		0.03 cm 10 km
100 km 		7 d
30 d 		Global reasonable 2019-10-15 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016) Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level.