Subantarctic Front
E98875
The Subantarctic Front is a major oceanographic boundary in the Southern Ocean that separates relatively warm, salty subtropical waters from cooler, fresher subantarctic waters and plays a key role in global heat and nutrient transport.
Observed surface forms (1)
| Surface form | As subject | As object |
|---|---|---|
| Southern Boundary of the Antarctic Circumpolar Current | 0 | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
ocean current boundary
→
oceanographic front → physical oceanographic feature → |
| affects |
pathways of heat transport from low to high southern latitudes
→
pathways of nutrient transport into subantarctic surface waters → |
| associatedWith |
enhanced vertical mixing
→
sharp density gradients → strong horizontal salinity gradients → strong horizontal temperature gradients → upwelling of nutrient-rich waters → |
| boundedBy |
Polar Front to the south
→
Subtropical Front to the north → |
| characterizedBy |
frontal jets
→
meanders and eddies → strong eastward flow → |
| circles | Antarctica → |
| extendsAcross |
South Atlantic
→
surface form:
South Atlantic Ocean
South Indian Ocean NERFINISHED → South Pacific Ocean → |
| hasAlternativeName | Subantarctic Convergence NERFINISHED → |
| hasApproximateLatitudeRange | around 45°S to 55°S depending on longitude → |
| hasRole |
key component of global heat transport
→
key component of global nutrient transport → major oceanographic boundary in the Southern Ocean → |
| influences |
air–sea heat exchange in the Southern Ocean
→
biogeographic boundaries of marine species → carbon uptake by the Southern Ocean → distribution of marine ecosystems in the Southern Ocean → global climate system → |
| isPartOf |
Southern Ocean frontal system
→
global ocean circulation → |
| linkedTo |
Southern Ocean carbon cycle
→
Southern Ocean nutrient cycle → biological productivity in the Southern Ocean → |
| locatedIn | Southern Ocean → |
| monitoredBy |
Argo profiling floats
→
satellite altimetry → satellite sea surface temperature observations → ship-based hydrographic sections → |
| partOf |
Antarctic Circumpolar Current
→
surface form:
Antarctic Circumpolar Current system
|
| playsRoleIn |
exchange between subtropical and subpolar water masses
→
global meridional overturning circulation → ventilation of the upper ocean in the Southern Hemisphere → |
| separates |
relatively warm, salty subtropical waters from cooler, fresher subantarctic waters
→
subantarctic waters → subtropical waters → |
| studiedIn |
climate science
→
marine biogeography → physical oceanography → |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Antarctic Circumpolar Current
this entity surface form:
Southern Boundary of the Antarctic Circumpolar Current