Great Basin–Pacific watershed divide region
E191094
The Great Basin–Pacific watershed divide region is a hydrological boundary area in the western United States where drainage basins separate between internally draining Great Basin watersheds and those that flow outward to the Pacific Ocean.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Great Basin | 1 |
| Great Basin Divide | 1 |
| Great Basin–Pacific watershed divide region canonical | 1 |
| Great Basin–Sierra Nevada region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1288625 — 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: Great Basin–Pacific watershed divide region Context triple: [Glenbrook Creek, hydrologicSystem, Great Basin–Pacific watershed divide region]
-
A.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
B.
Great Basin–Mojave transition zone
The Great Basin–Mojave transition zone is an ecologically and culturally significant desert region in the American Southwest where the Great Basin and Mojave deserts meet, characterized by mixed flora, fauna, and long-standing Indigenous presence.
-
C.
Sierra Nevada–Great Basin transition zone
The Sierra Nevada–Great Basin transition zone is a geologic and ecological boundary region in eastern California and western Nevada where the high, granitic Sierra Nevada meets the arid, fault-block ranges and basins of the Great Basin.
-
D.
Basin and Range Province
The Basin and Range Province is a vast geologic region of the western United States and northern Mexico characterized by alternating mountain ranges and arid basins formed through crustal extension.
-
E.
Great Basin Range
The Great Basin Range is a vast region of parallel mountain ranges and intervening valleys in the western United States, forming the core topographic and ecological framework of the Great Basin.
- 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: Great Basin–Pacific watershed divide region Target entity description: The Great Basin–Pacific watershed divide region is a hydrological boundary area in the western United States where drainage basins separate between internally draining Great Basin watersheds and those that flow outward to the Pacific Ocean.
-
A.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
B.
Great Basin–Mojave transition zone
The Great Basin–Mojave transition zone is an ecologically and culturally significant desert region in the American Southwest where the Great Basin and Mojave deserts meet, characterized by mixed flora, fauna, and long-standing Indigenous presence.
-
C.
Sierra Nevada–Great Basin transition zone
The Sierra Nevada–Great Basin transition zone is a geologic and ecological boundary region in eastern California and western Nevada where the high, granitic Sierra Nevada meets the arid, fault-block ranges and basins of the Great Basin.
-
D.
Basin and Range Province
The Basin and Range Province is a vast geologic region of the western United States and northern Mexico characterized by alternating mountain ranges and arid basins formed through crustal extension.
-
E.
Great Basin Range
The Great Basin Range is a vast region of parallel mountain ranges and intervening valleys in the western United States, forming the core topographic and ecological framework of the Great Basin.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
hydrological boundary ⓘ watershed divide ⓘ |
| associatedWith |
Great Basin
ⓘ
linked to:
Great Basin–Pacific watershed divide region
Pacific Ocean ⓘ |
| definesBoundaryBetween |
endorheic basins
ⓘ
exorheic basins ⓘ |
| drainageOnOneSide | streams and rivers that terminate in closed basins ⓘ |
| drainageOnOtherSide | streams and rivers that ultimately reach the Pacific Ocean ⓘ |
| hasCharacteristic |
follows high-elevation terrain in many segments
ⓘ
marks transition between arid interior and more humid coastal-draining regions ⓘ |
| hasDrainagePattern |
external drainage to Pacific Ocean on western side
ⓘ
internal drainage on Great Basin side ⓘ |
| hasHydrologicalRole |
determines direction of surface water flow
ⓘ
separates internally drained catchments from ocean-draining catchments ⓘ |
| hasProcess | surface runoff partitioning between internal and external basins ⓘ |
| hydrologicalSignificance |
controls extent of Pacific-slope drainage in adjacent areas
ⓘ
controls extent of the Great Basin endorheic region ⓘ |
| locatedIn | western United States ⓘ |
| partOf |
North American continental divide system
ⓘ
linked to:
Continental Divide
|
| relatedConcept |
Great Basin Divide
ⓘ
linked to:
Great Basin–Pacific watershed divide region
Pacific watershed ⓘ |
| separates |
Great Basin watersheds
ⓘ
linked to:
Great Basin
Pacific Ocean–draining watersheds ⓘ |
| typeOfBoundary | surface-water drainage divide ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Great Basin–Pacific watershed divide region Description of subject: The Great Basin–Pacific watershed divide region is a hydrological boundary area in the western United States where drainage basins separate between internally draining Great Basin watersheds and those that flow outward to the Pacific Ocean.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Great Basin–Pacific watershed divide region
linked to: Great Basin–Pacific watershed divide region
subject linked to:
Dana Glacier (nearby)
linked to: Great Basin–Pacific watershed divide region