upper Tuolumne River basin
E565850
The upper Tuolumne River basin is a high-elevation watershed in Yosemite National Park known for its alpine meadows, glacially carved valleys, and headwaters of the Tuolumne River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| upper Tuolumne River basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6072001 — 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: upper Tuolumne River basin Context triple: [Lyell Canyon, partOf, upper Tuolumne River basin]
-
A.
Kaweah River watershed
The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
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B.
San Joaquin River Basin
The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
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C.
San Francisco River basin
The San Francisco River basin is a watershed in Bogotá that drains the slopes of the Eastern Hills and channels water through part of the city’s urban area.
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D.
California portion of Truckee River Basin
The California portion of the Truckee River Basin is the upstream segment of the Truckee River watershed located within California, encompassing Lake Tahoe’s outflow and surrounding tributaries before the river crosses into Nevada.
-
E.
Mono River basin
The Mono River basin is a West African watershed spanning parts of Togo and Benin, known for its role in regional agriculture, hydropower, and biodiversity.
- 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: upper Tuolumne River basin Target entity description: The upper Tuolumne River basin is a high-elevation watershed in Yosemite National Park known for its alpine meadows, glacially carved valleys, and headwaters of the Tuolumne River.
-
A.
Kaweah River watershed
The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
-
B.
San Joaquin River Basin
The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
-
C.
San Francisco River basin
The San Francisco River basin is a watershed in Bogotá that drains the slopes of the Eastern Hills and channels water through part of the city’s urban area.
-
D.
California portion of Truckee River Basin
The California portion of the Truckee River Basin is the upstream segment of the Truckee River watershed located within California, encompassing Lake Tahoe’s outflow and surrounding tributaries before the river crosses into Nevada.
-
E.
Mono River basin
The Mono River basin is a West African watershed spanning parts of Togo and Benin, known for its role in regional agriculture, hydropower, and biodiversity.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geographic region
ⓘ
river basin ⓘ watershed ⓘ |
| characterizedBy |
alpine meadows
ⓘ
glacially carved valleys ⓘ granite bedrock ⓘ high elevation ⓘ snowmelt-dominated hydrology ⓘ |
| climateType | alpine climate ⓘ |
| containsHeadwatersOf | Tuolumne River NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy | Tioga Road (California State Route 120) NERFINISHED ⓘ |
| dominantProcess |
fluvial erosion
ⓘ
glacial erosion ⓘ |
| drainsFrom | Sierra Nevada crest NERFINISHED ⓘ |
| elevationRange | approximately 2400–4000 meters ⓘ |
| flowsTo |
Hetch Hetchy Reservoir
NERFINISHED
ⓘ
lower Tuolumne River NERFINISHED ⓘ |
| hasFeature |
Cathedral Range
NERFINISHED
ⓘ
Dana Meadows NERFINISHED ⓘ Lyell Canyon NERFINISHED ⓘ Lyell Glacier (remnant) NERFINISHED ⓘ Tuolumne Meadows NERFINISHED ⓘ |
| hasLandCover |
alpine tundra
ⓘ
subalpine forest ⓘ |
| hydrologicUnitOf | Tuolumne River watershed NERFINISHED ⓘ |
| importance |
important habitat for high-elevation Sierra Nevada species
ⓘ
major source of water for downstream municipal supply ⓘ |
| locatedIn |
Sierra Nevada
NERFINISHED
ⓘ
Tuolumne County, California NERFINISHED ⓘ Yosemite National Park ⓘ |
| managedBy |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| partOf |
San Joaquin River basin
NERFINISHED
ⓘ
Sierra Nevada hydrologic region NERFINISHED ⓘ |
| primaryWaterSource |
glacial melt
ⓘ
seasonal snowpack ⓘ |
| protectedAreaStatus | within a U.S. national park ⓘ |
| recreationActivity |
backpacking
ⓘ
fishing ⓘ hiking ⓘ wildlife viewing ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| supportsEcosystem |
alpine ecosystem
ⓘ
riparian ecosystem ⓘ |
| supportsSpecies |
American pika
NERFINISHED
ⓘ
Sierra Nevada bighorn sheep ⓘ rainbow trout ⓘ yellow-bellied marmot NERFINISHED ⓘ |
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: upper Tuolumne River basin Description of subject: The upper Tuolumne River basin is a high-elevation watershed in Yosemite National Park known for its alpine meadows, glacially carved valleys, and headwaters of the Tuolumne River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.