Southeastern Pacific Ocean

E34998

ocean region

The Southeastern Pacific Ocean is the portion of the Pacific off the western coast of South America, encompassing remote island groups and vast marine ecosystems influenced by the Humboldt Current.

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All labels observed (12)

Label	Occurrences
southeastern Pacific Ocean	33
Southeast Pacific Ocean	15
Southeast Pacific	9
Southeastern Pacific Ocean canonical	5
Southeast Pacific Basin	2
Southeast Pacific region	2
Eastern South Pacific Central Water	1
Pacific Ocean near Concón	1
Southeast Pacific biogeographic region	1
Southeast Pacific maritime region	1
Southeast Pacific upwelling system	1
Southeastern Pacific	1

How this entity was disambiguated

This entity first appeared as the object of triple T188250 — 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: Southeastern Pacific Ocean
Context triple: [Juan Fernández Islands, region, Southeastern Pacific Ocean]

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. Indian Ocean
The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
C. Southern Ocean
The Southern Ocean is the remote, icy ocean encircling Antarctica, known for its powerful circumpolar currents, rich marine ecosystems, and crucial role in regulating Earth’s climate.
D. Tasman Sea
The Tasman Sea is the body of water separating Australia and New Zealand, known for its often rough conditions and significance to regional shipping and marine life.
E. Coral Sea
The Coral Sea is a marginal sea off the northeast coast of Australia, renowned for its clear waters, rich marine biodiversity, and the Great Barrier Reef.
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: Southeastern Pacific Ocean
Target entity description: The Southeastern Pacific Ocean is the portion of the Pacific off the western coast of South America, encompassing remote island groups and vast marine ecosystems influenced by the Humboldt Current.

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. Indian Ocean
The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
C. Southern Ocean
The Southern Ocean is the remote, icy ocean encircling Antarctica, known for its powerful circumpolar currents, rich marine ecosystems, and crucial role in regulating Earth’s climate.
D. Tasman Sea
The Tasman Sea is the body of water separating Australia and New Zealand, known for its often rough conditions and significance to regional shipping and marine life.
E. Coral Sea
The Coral Sea is a marginal sea off the northeast coast of Australia, renowned for its clear waters, rich marine biodiversity, and the Great Barrier Reef.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	ocean region ⓘ
adjacentTo	Andes Mountains ⓘ linked to: Andes Atacama Desert ⓘ
affectedBy	El Niño–Southern Oscillation ⓘ La Niña ⓘ
borders	Chile ⓘ Colombia ⓘ Ecuador ⓘ Peru ⓘ South America ⓘ
characterizedBy	coastal upwelling ⓘ high marine productivity ⓘ low sea surface temperatures ⓘ
contains	Atacama Trench ⓘ Desventuradas Islands ⓘ Easter Island ⓘ Galápagos Islands ⓘ Juan Fernández Islands ⓘ Nazca Ridge ⓘ Peru–Chile Trench ⓘ linked to: Atacama Trench Rapa Nui ⓘ linked to: Easter Island Salas y Gómez Ridge ⓘ linked to: Nazca Ridge
ecosystemType	eastern boundary current large marine ecosystem ⓘ
governedBy	exclusive economic zones of Chile ⓘ exclusive economic zones of Colombia ⓘ exclusive economic zones of Ecuador ⓘ exclusive economic zones of Peru ⓘ
hasBiodiversity	endemic island species ⓘ marine mammals ⓘ pelagic fish ⓘ seabirds ⓘ
hasClimate	cold eastern boundary upwelling system ⓘ
hasMajorCurrent	Humboldt Current ⓘ Peru Current ⓘ linked to: Humboldt Current South Pacific Gyre ⓘ
includesMarineEcoregion	Humboldtian marine ecoregion ⓘ Southeast Pacific Oceanic Islands ecoregion ⓘ
influencedBy	Humboldt Current ⓘ
locatedIn	Southern Hemisphere ⓘ Western Hemisphere ⓘ
majorFisheryFor	anchoveta ⓘ jack mackerel ⓘ sardine ⓘ
partOf	Pacific Ocean ⓘ
supportsIndustry	industrial fisheries ⓘ small-scale fisheries ⓘ
threatenedBy	climate change ⓘ marine pollution ⓘ overfishing ⓘ plastic debris ⓘ

How these facts were elicited