tropical Indian Ocean

E328306

marine ecosystem oceanic region

The tropical Indian Ocean is a warm, low-latitude oceanic region characterized by strong monsoonal influences, active convection, and a major role in global climate variability.

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

All labels observed (3)

Label	Occurrences
Northern Indian Ocean	2
western Indian Ocean	2
tropical Indian Ocean canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T3091722 — 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: tropical Indian Ocean
Context triple: [Madden–Julian Oscillation, primaryRegion, tropical Indian Ocean]

A. Southwest Indian Ocean
The Southwest Indian Ocean is a region of the Indian Ocean off the southeastern coast of Africa, known for its strong western boundary currents, complex eddies, and significant role in global ocean circulation and climate.
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. Indian Ocean Central Water
Indian Ocean Central Water is a mid-depth water mass in the Indian Ocean characterized by relatively uniform temperature and salinity, formed through subduction and mixing in subtropical regions.
D. Indian Ocean subtropical gyre
The Indian Ocean subtropical gyre is a large, clockwise-rotating system of ocean currents in the southern Indian Ocean that plays a key role in heat transport, climate regulation, and marine ecosystems.
E. Arabian Sea
The Arabian Sea is a region of the northern Indian Ocean located between the Arabian Peninsula and the Indian subcontinent, serving as a major historical route for trade and cultural exchange.
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: tropical Indian Ocean
Target entity description: The tropical Indian Ocean is a warm, low-latitude oceanic region characterized by strong monsoonal influences, active convection, and a major role in global climate variability.

A. Southwest Indian Ocean
The Southwest Indian Ocean is a region of the Indian Ocean off the southeastern coast of Africa, known for its strong western boundary currents, complex eddies, and significant role in global ocean circulation and climate.
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. Indian Ocean Central Water
Indian Ocean Central Water is a mid-depth water mass in the Indian Ocean characterized by relatively uniform temperature and salinity, formed through subduction and mixing in subtropical regions.
D. Indian Ocean subtropical gyre
The Indian Ocean subtropical gyre is a large, clockwise-rotating system of ocean currents in the southern Indian Ocean that plays a key role in heat transport, climate regulation, and marine ecosystems.
E. Arabian Sea
The Arabian Sea is a region of the northern Indian Ocean located between the Arabian Peninsula and the Indian subcontinent, serving as a major historical route for trade and cultural exchange.
F. None of above. chosen

Statements (52)

Predicate	Object
instanceOf	marine ecosystem ⓘ oceanic region ⓘ
associatedWith	ENSO teleconnections ⓘ Indian Ocean Dipole ⓘ surface form: Indian Ocean Basin Mode Indian Ocean Dipole ⓘ Madden–Julian Oscillation ⓘ
borderedBy	Arabian Peninsula ⓘ South Asia ⓘ surface form: Indian subcontinent Southeast Asia ⓘ East Africa ⓘ surface form: eastern Africa north-western Australia ⓘ surface form: northwest Australia
characterizedBy	active atmospheric convection ⓘ strong air–sea interaction ⓘ strong monsoonal influences ⓘ warm sea surface temperatures ⓘ
contains	Equatorial Countercurrent ⓘ Somali Current ⓘ South Equatorial Current ⓘ equatorial current system ⓘ large warm pool ⓘ upwelling regions ⓘ
experiences	Northeast monsoon ⓘ surface form: Northeast Monsoon Southwest monsoon ⓘ surface form: Southwest Monsoon intertropical convergence zone migration ⓘ seasonal reversal of winds ⓘ
hasClimateMode	negative Indian Ocean Dipole phase ⓘ positive Indian Ocean Dipole phase ⓘ
hasLatitudeRange	approximately 20°S to 20°N ⓘ
hasLongitudeRange	approximately 40°E to 120°E ⓘ
hasMeanSST	above 26°C in large areas ⓘ
hasSubregion	Arabian Sea ⓘ Bay of Bengal ⓘ equatorial Indian Ocean ⓘ south equatorial Indian Ocean ⓘ
importantFor	Indo-Pacific warm pool system ⓘ surface form: Indo-Pacific climate system marine biodiversity ⓘ regional fisheries ⓘ tropical cyclone development ⓘ
influences	East African rainfall ⓘ Indian summer monsoon rainfall ⓘ Indonesian rainfall ⓘ global atmospheric circulation ⓘ
locatedIn	Indian Ocean drainage basin ⓘ surface form: Indian Ocean basin tropics ⓘ
monitoredBy	Argo floats ⓘ moored buoy arrays ⓘ satellite observations ⓘ
partOf	Indian Ocean ⓘ
playsRoleIn	African monsoon variability ⓘ Asian monsoon variability ⓘ Australian monsoon variability ⓘ global climate variability ⓘ

How these facts were elicited

Referenced by (5)

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

Madden–Julian Oscillation → primaryRegion → tropical Indian Ocean ⓘ

Somali Sea region → locatedIn → tropical Indian Ocean ⓘ

this entity surface form: western Indian Ocean

Somali Plate → underlies → tropical Indian Ocean ⓘ

this entity surface form: western Indian Ocean

Gwadar Bay → partOf → tropical Indian Ocean ⓘ

this entity surface form: Northern Indian Ocean

Palk Bay system → partOf → tropical Indian Ocean ⓘ