South Pacific Gyre

E23123

marine region oceanic 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.

Observed surface forms (3)

Surface form	As subject	As object
South Pacific subtropical gyre	0	3
South Pacific gyre	0	2
South Pacific subtropical gyre boundary	0	1

Statements (47)

Predicate	Object
instanceOf	marine region → oceanic gyre →
boundedBy	East Australian Current → Humboldt Current → surface form: Peru Current South Equatorial Current → West Wind Drift →
circulationType	anticyclonic → subtropical gyre circulation →
climateRole	involved in large-scale ocean-atmosphere interactions → part of subtropical gyre system affecting heat transport →
hasCharacteristic	accumulation of floating debris → extremely low nutrient concentrations → high water transparency → large areal extent → limited vertical mixing → long water residence times → low biological productivity → low chlorophyll concentrations → low microbial biomass → low particulate organic carbon → low primary productivity → oligotrophic waters → remote from major landmasses → slow surface currents → stable stratification → very clear water →
hemisphere	Southern Hemisphere →
influences	biogeochemical cycles in the South Pacific Ocean → distribution of marine debris in the South Pacific → patterns of ocean productivity in the South Pacific →
knownFor	accumulation of plastic debris → extremely low biological productivity → extremely low sedimentation rates → presence of a garbage patch → ultra-oligotrophic conditions → very low plankton abundance → very low rates of photosynthesis → very old deep-sea sediments →
locatedIn	South Pacific Ocean → Southern Hemisphere →
oceanBasin	Pacific Ocean →
partOf	Pacific Ocean → global ocean circulation →
researchInterest	extreme low-productivity marine ecosystems → impacts of plastic pollution → long-term carbon cycling in the deep ocean → microbial ecology in ultra-oligotrophic environments →

Referenced by (10)

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

Humboldt Current → componentOf → South Pacific Gyre →

this entity surface form: South Pacific subtropical gyre

South Pacific Ocean → contains → South Pacific Gyre →

Pacific Ocean → containsCurrent → South Pacific Gyre →

Tasman Front → formsPartOf → South Pacific Gyre →

this entity surface form: South Pacific subtropical gyre boundary

Southeastern Pacific Ocean → hasMajorCurrent → South Pacific Gyre →

southwest Pacific Ocean → influencedBy → South Pacific Gyre →

East Australian Current → partOf → South Pacific Gyre →

this entity surface form: South Pacific gyre

EAC → partOf → South Pacific Gyre →

subject surface form: East Australian Current

this entity surface form: South Pacific gyre

East Australian Current → westernBoundaryOf → South Pacific Gyre →

this entity surface form: South Pacific subtropical gyre

EAC → westernBoundaryOf → South Pacific Gyre →

subject surface form: East Australian Current

this entity surface form: South Pacific subtropical gyre