South Atlantic Central Water
E824951
South Atlantic Central Water is a mid-depth water mass in the South Atlantic characterized by relatively uniform temperature and salinity, formed by subduction of surface waters in subtropical gyres and playing a key role in regional heat and salt transport.
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
oceanographic feature
ⓘ
water mass ⓘ |
| associatedCurrentSystem |
Benguela Current system
GENERATED
ⓘ
Brazil Current system GENERATED ⓘ South Atlantic subtropical gyre circulation GENERATED ⓘ |
| basin | South Atlantic Ocean NERFINISHED ⓘ |
| circulationPattern | generally follows gyre-scale anticyclonic circulation in the subtropical South Atlantic ⓘ |
| densityCharacteristic | intermediate density between surface and deep waters ⓘ |
| formationProcess | subduction of surface waters in subtropical gyres ⓘ |
| formationRegion | South Atlantic subtropical gyre NERFINISHED ⓘ |
| hemisphere | Southern Hemisphere ⓘ |
| importanceForTracers | acts as a pathway for dissolved tracers and nutrients ⓘ |
| measurementMethods |
identified using temperature–salinity (T–S) diagrams
ⓘ
observed with CTD profiles and hydrographic sections ⓘ |
| ocean | Atlantic Ocean ⓘ |
| propertyDistribution | forms a core of relatively homogeneous temperature and salinity ⓘ |
| relationToSurfaceWaters | originates from modified surface subtropical waters GENERATED ⓘ |
| roleInClimate | contributes to redistribution of heat in the South Atlantic subtropical gyre ⓘ |
| roleInOceanCirculation |
heat transport in the South Atlantic
ⓘ
salt transport in the South Atlantic ⓘ |
| salinityCharacteristic | relatively uniform salinity with depth within the layer ⓘ |
| scientificDiscipline | physical oceanography ⓘ |
| stabilityEffect | helps maintain stable stratification above intermediate waters ⓘ |
| stratificationRole | contributes to vertical stratification of the South Atlantic ⓘ |
| temperatureCharacteristic | relatively uniform temperature with depth within the layer ⓘ |
| typicalDepthRange | approximately 200–1000 m ⓘ |
| ventilationProcess | subduction along isopycnals from the surface ⓘ |
| waterMassClass | central water ⓘ |
| waterMassStructure |
lies below the surface mixed layer
ⓘ
overlies deeper intermediate and deep waters ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.