Brazil–Malvinas Confluence
E44572
The Brazil–Malvinas Confluence is a major oceanographic region in the South Atlantic where warm subtropical waters meet cold subantarctic waters, creating one of the most energetic and biologically productive frontal systems in the world.
Aliases (1)
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
oceanic frontal system
→
oceanographic region → |
| affectedBy |
Southern Annular Mode
→
large-scale climate modes such as ENSO → wind stress over South Atlantic → |
| countryBorder |
Argentina
→
Brazil → |
| formedByConfluenceOf |
Brazil Current
→
Malvinas Current → |
| hasApproximateLatitudeRange |
30°S to 40°S
→
|
| hasApproximateLongitudeRange |
45°W to 55°W
→
|
| hasCharacteristic |
high biological productivity
→
high chlorophyll concentrations → high kinetic energy → high mesoscale eddy activity → intense mixing → strong frontal jets → strong horizontal temperature gradients → strong salinity gradients → |
| hasOceanographicRole |
controls exchange between subtropical and subantarctic waters
→
influences South Atlantic Meridional Overturning Circulation → major heat transport region in South Atlantic → region of mode water formation influence → region of water mass transformation → |
| hasProcess |
eddy shedding
→
frontogenesis → subduction of surface waters → upwelling of nutrient-rich waters → |
| hasWaterMass |
cold subantarctic water
→
warm subtropical water → |
| influences |
South Atlantic climate variability
→
carbon uptake in South Atlantic → distribution of marine top predators → fisheries productivity in Southwest Atlantic → regional weather patterns in northern Argentina → regional weather patterns in southern Brazil → |
| isDynamic |
position varies interannually
→
position varies seasonally → |
| isImportantFor |
biogeochemical cycling in South Atlantic
→
migration routes of marine mammals → pelagic ecosystem structure → seabird foraging areas → |
| isPartOf |
South Atlantic subtropical gyre system
→
South Atlantic western boundary current system → |
| locatedIn |
South Atlantic Ocean
→
|
| monitoredBy |
Argo floats
→
in situ hydrographic surveys → satellite altimetry → satellite sea surface temperature → |
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Brazil Current
("Brazil–Malvinas frontal system")
→
|
associatedWith |
|
Brazil Current
→
|
confluenceRegion |
|
Malvinas Current
→
|
formsFeature |