South Atlantic subtropical gyre

E31280

oceanic gyre physical oceanographic feature subtropical gyre

The South Atlantic subtropical gyre is a large, clockwise-rotating system of ocean currents in the South Atlantic Ocean that plays a key role in global heat transport and climate regulation.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

AI illustration

All labels observed (4)

Label	Occurrences
South Atlantic subtropical gyre canonical	11
South Atlantic	2
South Atlantic subtropical gyre system	2
Subtropical Gyre of the South Atlantic	1

How this entity was disambiguated

This entity first appeared as the object of triple T227285 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: South Atlantic subtropical gyre
Context triple: [Benguela Current, partOf, South Atlantic subtropical gyre]

A. South Pacific Gyre
The South Pacific Gyre is a vast, slow-moving system of ocean currents in the southern Pacific known for its extremely low biological productivity and accumulation of floating debris.
B. North Pacific Gyre
The North Pacific Gyre is a large system of rotating ocean currents in the northern Pacific, known for its role in global circulation and for concentrating floating marine debris such as the Great Pacific Garbage Patch.
C. Sargasso Sea
The Sargasso Sea is a region of the North Atlantic Ocean characterized by its clear, warm waters and large floating mats of Sargassum seaweed, bounded by ocean currents rather than land.
D. Atlantic Meridional Overturning Circulation
The Atlantic Meridional Overturning Circulation is a large-scale system of ocean currents that transports heat and salt through the Atlantic, strongly influencing regional and global climate.
E. Gulf Stream
The Gulf Stream is a powerful, warm Atlantic Ocean current that flows from the Gulf of Mexico along the eastern coast of the United States toward Europe, significantly influencing regional and global climate.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: South Atlantic subtropical gyre
Target entity description: The South Atlantic subtropical gyre is a large, clockwise-rotating system of ocean currents in the South Atlantic Ocean that plays a key role in global heat transport and climate regulation.

A. South Pacific Gyre
The South Pacific Gyre is a vast, slow-moving system of ocean currents in the southern Pacific known for its extremely low biological productivity and accumulation of floating debris.
B. North Pacific Gyre
The North Pacific Gyre is a large system of rotating ocean currents in the northern Pacific, known for its role in global circulation and for concentrating floating marine debris such as the Great Pacific Garbage Patch.
C. Sargasso Sea
The Sargasso Sea is a region of the North Atlantic Ocean characterized by its clear, warm waters and large floating mats of Sargassum seaweed, bounded by ocean currents rather than land.
D. Atlantic Meridional Overturning Circulation
The Atlantic Meridional Overturning Circulation is a large-scale system of ocean currents that transports heat and salt through the Atlantic, strongly influencing regional and global climate.
E. Gulf Stream
The Gulf Stream is a powerful, warm Atlantic Ocean current that flows from the Gulf of Mexico along the eastern coast of the United States toward Europe, significantly influencing regional and global climate.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	oceanic gyre ⓘ physical oceanographic feature ⓘ subtropical gyre ⓘ
affects	distribution of marine debris ⓘ sea surface salinity patterns in the South Atlantic ⓘ
approximateLatitudeRange	10°S–40°S ⓘ
associatedWith	Ekman convergence ⓘ Ekman transport ⓘ subtropical high-pressure systems ⓘ
boundedByCurrent	Benguela Current ⓘ Brazil Current ⓘ South Atlantic Current ⓘ South Equatorial Current ⓘ
connectedTo	Antarctic Circumpolar Current ⓘ North Atlantic subtropical gyre ⓘ
contributesTo	global heat redistribution ⓘ meridional heat transport ⓘ
drivenBy	trade winds ⓘ westerlies ⓘ wind stress ⓘ
feature	central region of relatively low biological productivity ⓘ cold eastern boundary current ⓘ warm western boundary current ⓘ
governedBy	Coriolis effect ⓘ wind-driven circulation dynamics ⓘ
hasRegion	subtropical convergence zone ⓘ
hemisphere	Southern Hemisphere ⓘ
impactedBy	anthropogenic climate change ⓘ climate variability ⓘ
influences	South Atlantic sea surface temperature patterns ⓘ precipitation patterns in South America ⓘ precipitation patterns in southern Africa ⓘ regional climate of adjacent continents ⓘ
locatedIn	South Atlantic Ocean ⓘ linked to: South Atlantic
majorEasternBoundaryCurrent	Benguela Current ⓘ
majorWesternBoundaryCurrent	Brazil Current ⓘ
partOf	global climate system ⓘ global ocean circulation ⓘ
relatedTo	Atlantic Meridional Overturning Circulation ⓘ
role	modulation of interhemispheric heat transport ⓘ regulation of South Atlantic heat content ⓘ
rotationDirection	clockwise ⓘ
scale	basin-scale circulation feature ⓘ
studiedIn	climate science ⓘ physical oceanography ⓘ

How these facts were elicited

Referenced by (16)

Full triples — surface form annotated when it differs from this entity's canonical label.

Benguela Current → partOf → South Atlantic subtropical gyre ⓘ

Brazil Current → isPartOf → South Atlantic subtropical gyre ⓘ

Brazil Current → westernBoundaryOf → South Atlantic subtropical gyre ⓘ

Strait of Magellan → oceanRegion → South Atlantic ⓘ