Ganges-Brahmaputra-Meghna Delta

E150721

alluvial plain geographical region river delta

The Ganges-Brahmaputra-Meghna Delta is the world’s largest river delta, a vast low-lying alluvial plain spanning much of Bangladesh and eastern India, renowned for its fertile soils, dense population, and vulnerability to flooding and sea-level rise.

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All labels observed (18)

Label	Occurrences
Ganges Delta	19
Ganges-Brahmaputra-Meghna delta	5
Ganges–Brahmaputra–Meghna delta	4
Ganges Delta region	3
Ganges delta	3
Meghna River delta	3
Ganges-Brahmaputra delta	2
Ganges–Brahmaputra delta	2
Meghna River estuary	2
Meghna estuary	2
Bangladesh deltaic plains	1
Bengal Delta	1
Ganges river delta	1
Ganges-Brahmaputra Delta	1
Ganges-Brahmaputra-Meghna Delta canonical	1
Ganges–Brahmaputra–Meghna Delta	1
Southeastern Bangladesh	1
lower Ganges–Brahmaputra Delta	1

How this entity was disambiguated

This entity first appeared as the object of triple T1302271 — 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: Ganges-Brahmaputra-Meghna Delta
Context triple: [Ganges-Brahmaputra-Meghna river system, delta, Ganges-Brahmaputra-Meghna Delta]

A. Mahanadi Delta
The Mahanadi Delta is a fertile, densely populated alluvial region in eastern India formed by the Mahanadi River as it empties into the Bay of Bengal.
B. Indus River delta
The Indus River delta is a vast, fertile wetland region where the Indus River meets the Arabian Sea, characterized by intricate channels, mangrove forests, and rich biodiversity in southern Pakistan.
C. Godavari Delta
Godavari Delta is a fertile, densely populated river delta region on the east coast of India where the Godavari River meets the Bay of Bengal, known for its extensive agriculture and rich biodiversity.
D. Sundarbans
The Sundarbans is a vast mangrove forest and UNESCO World Heritage Site in the Ganges-Brahmaputra-Meghna delta, famed for its rich biodiversity and Bengal tiger population.
E. Kaveri River Delta
The Kaveri River Delta is a fertile alluvial region in southeastern India, renowned for its extensive irrigation networks and high agricultural productivity, especially in rice cultivation.
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: Ganges-Brahmaputra-Meghna Delta
Target entity description: The Ganges-Brahmaputra-Meghna Delta is the world’s largest river delta, a vast low-lying alluvial plain spanning much of Bangladesh and eastern India, renowned for its fertile soils, dense population, and vulnerability to flooding and sea-level rise.

A. Mahanadi Delta
The Mahanadi Delta is a fertile, densely populated alluvial region in eastern India formed by the Mahanadi River as it empties into the Bay of Bengal.
B. Indus River delta
The Indus River delta is a vast, fertile wetland region where the Indus River meets the Arabian Sea, characterized by intricate channels, mangrove forests, and rich biodiversity in southern Pakistan.
C. Godavari Delta
Godavari Delta is a fertile, densely populated river delta region on the east coast of India where the Godavari River meets the Bay of Bengal, known for its extensive agriculture and rich biodiversity.
D. Sundarbans
The Sundarbans is a vast mangrove forest and UNESCO World Heritage Site in the Ganges-Brahmaputra-Meghna delta, famed for its rich biodiversity and Bengal tiger population.
E. Kaveri River Delta
The Kaveri River Delta is a fertile alluvial region in southeastern India, renowned for its extensive irrigation networks and high agricultural productivity, especially in rice cultivation.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	alluvial plain ⓘ geographical region ⓘ river delta ⓘ
alsoKnownAs	Bengal Delta ⓘ linked to: Ganges-Brahmaputra-Meghna Delta GBM Delta ⓘ Ganges Delta ⓘ linked to: Ganges-Brahmaputra-Meghna Delta
borders	Bay of Bengal ⓘ
climateType	tropical monsoon ⓘ
contains	Sundarbans ⓘ estuaries ⓘ floodplains ⓘ mangrove forests ⓘ tidal channels ⓘ
countryPortion	eastern portion in India ⓘ majority in Bangladesh ⓘ
drainageBasinIncludes	Gangetic Plain ⓘ linked to: Indo-Gangetic Plain Himalayan region ⓘ
ecoregionIncludes	Sundarbans mangrove ecoregion ⓘ linked to: Sundarbans
emptiesInto	Bay of Bengal ⓘ
formedByRiver	Brahmaputra River ⓘ linked to: Brahmaputra Ganges River ⓘ linked to: Ganges Meghna River ⓘ linked to: Meghna
hasCharacteristic	alluvial ⓘ densely populated ⓘ fertile soils ⓘ low-lying ⓘ prone to flooding ⓘ subject to cyclones and storm surges ⓘ subject to riverbank erosion ⓘ vulnerable to sea-level rise ⓘ world’s largest river delta by area ⓘ
hasImportance	key agricultural region of Bangladesh and eastern India ⓘ major global hotspot of climate vulnerability ⓘ
locatedIn	Bangladesh ⓘ linked to: People's Republic of Bangladesh (from East Pakistan) India ⓘ South Asia ⓘ
partOf	Brahmaputra River system ⓘ linked to: Brahmaputra Ganges River system ⓘ linked to: Ganges-Brahmaputra-Meghna river system Meghna River system ⓘ linked to: Meghna
subjectTo	monsoon rainfall ⓘ seasonal flooding ⓘ
supportsEconomicActivity	aquaculture ⓘ fishing ⓘ jute cultivation ⓘ rice cultivation ⓘ
threatenedBy	climate change ⓘ land subsidence ⓘ salinity intrusion ⓘ sea-level rise ⓘ

How these facts were elicited