Lyell Fork of the Tuolumne River watershed
E244804
The Lyell Fork of the Tuolumne River watershed is a high-elevation Sierra Nevada drainage basin in Yosemite National Park that collects meltwater from Lyell Glacier and surrounding alpine terrain.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lyell Fork of the Tuolumne River | 5 |
| Lyell Fork of the Tuolumne River watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2224586 — 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: Lyell Fork of the Tuolumne River watershed Context triple: [Lyell Glacier, partOf, Lyell Fork of the Tuolumne River watershed]
-
A.
Kaweah River headwaters
The Kaweah River headwaters are the high-elevation source streams of the Kaweah River in the southern Sierra Nevada of California, originating in rugged alpine terrain within and around Sequoia National Park.
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B.
Sonoma Creek watershed
The Sonoma Creek watershed is a drainage basin in Sonoma County, California, that collects runoff from the Mayacamas Mountains and surrounding landscapes before flowing into San Pablo Bay.
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C.
Yosemite Creek
Yosemite Creek is a mountain stream in Yosemite National Park that feeds the iconic Yosemite Falls before joining the Merced River.
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D.
Golden Trout Wilderness (portion)
Golden Trout Wilderness (portion) is a protected high-Sierra backcountry area renowned for its alpine meadows, rugged granite landscapes, and native golden trout habitat within Inyo National Forest.
-
E.
Whitewater River (California)
Whitewater River (California) is a desert river in Southern California that flows from the San Bernardino Mountains through the Coachella Valley toward the Salton Sea.
- 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: Lyell Fork of the Tuolumne River watershed Target entity description: The Lyell Fork of the Tuolumne River watershed is a high-elevation Sierra Nevada drainage basin in Yosemite National Park that collects meltwater from Lyell Glacier and surrounding alpine terrain.
-
A.
Kaweah River headwaters
The Kaweah River headwaters are the high-elevation source streams of the Kaweah River in the southern Sierra Nevada of California, originating in rugged alpine terrain within and around Sequoia National Park.
-
B.
Sonoma Creek watershed
The Sonoma Creek watershed is a drainage basin in Sonoma County, California, that collects runoff from the Mayacamas Mountains and surrounding landscapes before flowing into San Pablo Bay.
-
C.
Yosemite Creek
Yosemite Creek is a mountain stream in Yosemite National Park that feeds the iconic Yosemite Falls before joining the Merced River.
-
D.
Golden Trout Wilderness (portion)
Golden Trout Wilderness (portion) is a protected high-Sierra backcountry area renowned for its alpine meadows, rugged granite landscapes, and native golden trout habitat within Inyo National Forest.
-
E.
Whitewater River (California)
Whitewater River (California) is a desert river in Southern California that flows from the San Bernardino Mountains through the Coachella Valley toward the Salton Sea.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river watershed ⓘ |
| climateType | alpine climate ⓘ |
| contains |
alpine lakes and tarns
ⓘ
headwaters of the Lyell Fork of the Tuolumne River ⓘ steep granitic slopes ⓘ |
| drainsFrom |
Lyell Glacier
ⓘ
Mount Lyell vicinity ⓘ |
| elevationClass | high-elevation ⓘ |
| flowsTo |
Lyell Fork of the Tuolumne River watershed
self-linksurface differs
ⓘ
surface form:
Lyell Fork of the Tuolumne River
|
| geologicProvince |
Sierra Nevada batholith
ⓘ
surface form:
Sierra Nevada Batholith
|
| hasEcologicalRole |
cold-water aquatic habitat
ⓘ
headwaters habitat ⓘ |
| hasFeature |
alpine terrain
ⓘ
glacially carved valleys ⓘ granite bedrock ⓘ high-elevation meadows ⓘ |
| hasLandCover |
alpine tundra
ⓘ
subalpine forest ⓘ |
| hasProcess |
glacial melt contribution
ⓘ
seasonal snowmelt runoff ⓘ |
| hasUse |
backcountry recreation
ⓘ
wilderness hiking ⓘ |
| hydrologicSource |
glacial meltwater
ⓘ
snowmelt ⓘ |
| isManagedBy |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| isSubjectTo |
climate change impacts on glaciers
ⓘ
snowpack variability ⓘ |
| isUpstreamOf |
Tuolumne Meadows
ⓘ
surface form:
Tuolumne Meadows area
|
| locatedIn |
California, United States
ⓘ
surface form:
California
Sierra Nevada ⓘ United States of America ⓘ
surface form:
United States
Yosemite National Park ⓘ |
| partOf |
Tuolumne River
ⓘ
surface form:
Tuolumne River watershed
|
| protectedArea | Yosemite Wilderness ⓘ |
| protectedAreaStatus | within a U.S. national park ⓘ |
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: Lyell Fork of the Tuolumne River watershed Description of subject: The Lyell Fork of the Tuolumne River watershed is a high-elevation Sierra Nevada drainage basin in Yosemite National Park that collects meltwater from Lyell Glacier and surrounding alpine terrain.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lyell Fork of the Tuolumne River
this entity surface form:
Lyell Fork of the Tuolumne River
this entity surface form:
Lyell Fork of the Tuolumne River
Lyell Fork of the Tuolumne River watershed
→
flowsTo
→
Lyell Fork of the Tuolumne River watershed
self-linksurface differs
ⓘ
this entity surface form:
Lyell Fork of the Tuolumne River
this entity surface form:
Lyell Fork of the Tuolumne River