World Ocean Floor map

E42375

cartographic map oceanographic map thematic map

The World Ocean Floor map is a pioneering cartographic depiction of the seafloor that revealed the detailed topography of mid-ocean ridges and trenches, providing key visual evidence for the theory of plate tectonics.

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AI illustration

All labels observed (3)

Label	Occurrences
Heezen–Tharp physiographic maps of the ocean floor	1
The World Ocean Floor	1
World Ocean Floor map canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T331365 — 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: World Ocean Floor map
Context triple: [Marie Tharp, notableWork, World Ocean Floor map]

A. Sirena Deep
Sirena Deep is one of the deepest known points in the world's oceans, located within the Mariana Trench in the western Pacific Ocean.
B. Mariana Trench
The Mariana Trench is the deepest known oceanic trench on Earth, located in the western Pacific Ocean near the Mariana Islands.
C. World Ocean
The World Ocean is the interconnected system of Earth's major oceanic divisions that together form a single, continuous body of saltwater covering most of the planet's surface.
D. Giant Ocean Tank
The Giant Ocean Tank is a massive central marine exhibit at the New England Aquarium, featuring a Caribbean coral reef ecosystem with hundreds of tropical fish, sea turtles, and other marine species.
E. The Blue Planet
The Blue Planet is a landmark BBC nature documentary series exploring the world's oceans, narrated by David Attenborough.
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: World Ocean Floor map
Target entity description: The World Ocean Floor map is a pioneering cartographic depiction of the seafloor that revealed the detailed topography of mid-ocean ridges and trenches, providing key visual evidence for the theory of plate tectonics.

A. Sirena Deep
Sirena Deep is one of the deepest known points in the world's oceans, located within the Mariana Trench in the western Pacific Ocean.
B. Mariana Trench
The Mariana Trench is the deepest known oceanic trench on Earth, located in the western Pacific Ocean near the Mariana Islands.
C. World Ocean
The World Ocean is the interconnected system of Earth's major oceanic divisions that together form a single, continuous body of saltwater covering most of the planet's surface.
D. Giant Ocean Tank
The Giant Ocean Tank is a massive central marine exhibit at the New England Aquarium, featuring a Caribbean coral reef ecosystem with hundreds of tropical fish, sea turtles, and other marine species.
E. The Blue Planet
The Blue Planet is a landmark BBC nature documentary series exploring the world's oceans, narrated by David Attenborough.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	cartographic map ⓘ oceanographic map ⓘ thematic map ⓘ
associatedWith	Columbia University ⓘ Lamont-Doherty Geological Observatory ⓘ linked to: Lamont–Doherty Earth Observatory
basedOn	bathymetric soundings ⓘ gravity data ⓘ magnetic anomaly data ⓘ seismic data ⓘ ship-based echo sounding data ⓘ
colorScheme	hypsometric tints ⓘ
depicts	abyssal plains ⓘ continental margins ⓘ fracture zones ⓘ global seafloor topography ⓘ mid-ocean ridges ⓘ oceanic trenches ⓘ seamounts ⓘ
geographicCoverage	Arctic Ocean ⓘ Atlantic Ocean ⓘ Indian Ocean ⓘ Pacific Ocean ⓘ Southern Ocean ⓘ
hasAuthor	Bruce C. Heezen ⓘ Marie Tharp ⓘ
hasIllustrator	Heinrich C. Berann ⓘ
hasTitle	The World Ocean Floor ⓘ linked to: World Ocean Floor map
language	English ⓘ
notableFor	first detailed global portrayal of ocean floor relief ⓘ influential role in acceptance of plate tectonics ⓘ
providedEvidenceFor	continuous global mid-ocean ridge ⓘ subduction at ocean trenches ⓘ symmetry of oceanic crust about ridges ⓘ young age of oceanic crust near ridges ⓘ
publicationYear	1977 ⓘ
publishedIn	National Geographic Magazine ⓘ linked to: National Geographic magazine
scale	small-scale world map ⓘ
shows	Rift Valley along mid-ocean ridges ⓘ bathymetric contours ⓘ global mid-ocean ridge system ⓘ subduction zones ⓘ three-dimensional perspective of seafloor ⓘ transform faults ⓘ
supportedTheory	plate tectonics ⓘ seafloor spreading ⓘ
usedIn	geology education ⓘ oceanography education ⓘ popular science communication ⓘ
visualStyle	oblique perspective ⓘ panoramic painting ⓘ

How these facts were elicited

Referenced by (3)

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

Marie Tharp → notableWork → World Ocean Floor map ⓘ

Bruce C. Heezen → knownFor → Heezen–Tharp physiographic maps of the ocean floor ⓘ

linked to: World Ocean Floor map

World Ocean Floor map → hasTitle → The World Ocean Floor ⓘ