Amazon River basin (Pacific slope headwaters in Andes)
E994839
UNEXPLORED
The Amazon River basin (Pacific slope headwaters in Andes) is the portion of the vast Amazon drainage system whose rivers originate on the Pacific-facing slopes of the Andes before crossing the continental divide to flow eastward into the Amazon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amazon River basin (Pacific slope headwaters in Andes) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12650274 — 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: Amazon River basin (Pacific slope headwaters in Andes) Context triple: [Pacific Ocean drainage basin, contains, Amazon River basin (Pacific slope headwaters in Andes)]
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A.
Orinoco Basin headwaters
The Orinoco Basin headwaters are the highland source regions of the Orinoco River system, originating in the eastern slopes and foothills of the Andes before flowing across northern South America.
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B.
Pastaza River basin
The Pastaza River basin is a major Andean-Amazonian watershed in Ecuador and Peru, known for its extensive rainforest, high biodiversity, and role as a tributary system feeding the Amazon River.
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C.
Colombian Andes river system
The Colombian Andes river system is a network of rivers and tributaries originating in the Andean mountain ranges of Colombia that drain into major basins such as the Magdalena, Cauca, and Orinoco.
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D.
Aconcagua River basin
The Aconcagua River basin is a major drainage basin in central Chile that collects waters from the Andes and supports extensive agricultural and urban areas before flowing into the Pacific Ocean.
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E.
Atrato River basin
The Atrato River basin is a biodiverse and rainforest-rich watershed in northwestern Colombia, known for its dense river network, Afro-Colombian and Indigenous communities, and significant ecological and cultural importance.
- 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: Amazon River basin (Pacific slope headwaters in Andes) Target entity description: The Amazon River basin (Pacific slope headwaters in Andes) is the portion of the vast Amazon drainage system whose rivers originate on the Pacific-facing slopes of the Andes before crossing the continental divide to flow eastward into the Amazon.
-
A.
Orinoco Basin headwaters
The Orinoco Basin headwaters are the highland source regions of the Orinoco River system, originating in the eastern slopes and foothills of the Andes before flowing across northern South America.
-
B.
Pastaza River basin
The Pastaza River basin is a major Andean-Amazonian watershed in Ecuador and Peru, known for its extensive rainforest, high biodiversity, and role as a tributary system feeding the Amazon River.
-
C.
Colombian Andes river system
The Colombian Andes river system is a network of rivers and tributaries originating in the Andean mountain ranges of Colombia that drain into major basins such as the Magdalena, Cauca, and Orinoco.
-
D.
Aconcagua River basin
The Aconcagua River basin is a major drainage basin in central Chile that collects waters from the Andes and supports extensive agricultural and urban areas before flowing into the Pacific Ocean.
-
E.
Atrato River basin
The Atrato River basin is a biodiverse and rainforest-rich watershed in northwestern Colombia, known for its dense river network, Afro-Colombian and Indigenous communities, and significant ecological and cultural importance.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.