Taku Glacier
E346136
Taku Glacier is a massive tidewater glacier near Juneau, Alaska, known for its unusual long-term advance in an era when most glaciers are retreating.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Taku Glacier canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1695267 — 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: Taku Glacier Context triple: [Juneau Icefield, feeds, Taku Glacier]
-
A.
Watkins Glacier
Watkins Glacier is one of the alpine glaciers on Mount Shasta in northern California, contributing to the mountain’s perennial ice and snow cover.
-
B.
Kennicott Glacier
Kennicott Glacier is a large valley glacier in Alaska’s Wrangell Mountains, known for its striking ice formations, historic mining-era surroundings, and accessibility to hikers and climbers.
-
C.
Emmons Glacier
Emmons Glacier is the largest glacier by area in the contiguous United States, flowing down the eastern flank of Mount Rainier in Washington State.
-
D.
Avalanche Glacier
Avalanche Glacier is a mountain glacier located on the slopes of Mount Adams in Washington State, known for its steep terrain and active ice movement.
-
E.
Mendenhall Glacier
Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
- 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: Taku Glacier Target entity description: Taku Glacier is a massive tidewater glacier near Juneau, Alaska, known for its unusual long-term advance in an era when most glaciers are retreating.
-
A.
Watkins Glacier
Watkins Glacier is one of the alpine glaciers on Mount Shasta in northern California, contributing to the mountain’s perennial ice and snow cover.
-
B.
Kennicott Glacier
Kennicott Glacier is a large valley glacier in Alaska’s Wrangell Mountains, known for its striking ice formations, historic mining-era surroundings, and accessibility to hikers and climbers.
-
C.
Emmons Glacier
Emmons Glacier is the largest glacier by area in the contiguous United States, flowing down the eastern flank of Mount Rainier in Washington State.
-
D.
Avalanche Glacier
Avalanche Glacier is a mountain glacier located on the slopes of Mount Adams in Washington State, known for its steep terrain and active ice movement.
-
E.
Mendenhall Glacier
Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
tidewater glacier
ⓘ
valley glacier ⓘ |
| access | primarily by boat or air ⓘ |
| advancementStatus | historically advancing in the 20th century ⓘ |
| climateZone | maritime subpolar climate ⓘ |
| country | United States of America ⓘ |
| drainageBasin |
Taku River
ⓘ
surface form:
Taku River basin
|
| feeds | Taku River system via meltwater ⓘ |
| flowsInto | Taku Inlet ⓘ |
| geologicalAge | Holocene glacier system with older roots ⓘ |
| glacierSystem |
Juneau Icefield
ⓘ
surface form:
Juneau Icefield glacier system
|
| hasFeature |
crevasses
ⓘ
icefalls ⓘ medial moraines ⓘ |
| hasHazard |
ice calving
ⓘ
rapidly changing ice surface ⓘ |
| hasMeasurement |
length over 50 kilometers (approximate)
ⓘ
thickness over 1,400 meters in places (approximate) ⓘ |
| hasPhotographicRecord | aerial photographs and satellite imagery over many decades ⓘ |
| hasProcess |
basal sliding
ⓘ
calving at its tidewater terminus ⓘ internal deformation of ice ⓘ |
| influences |
local ecosystems through freshwater input
ⓘ
local sea conditions in Taku Inlet ⓘ |
| locatedIn | Juneau Icefield ⓘ |
| locatedNear |
Juneau
ⓘ
surface form:
Juneau, Alaska
|
| massBalance |
positive for much of the 20th century
ⓘ
transitioning toward negative in recent decades ⓘ |
| monitoredBy |
Juneau Icefield
ⓘ
surface form:
Juneau Icefield Research Program
|
| namedAfter | Taku River ⓘ |
| near |
Taku Inlet
ⓘ
Taku River ⓘ |
| nearbyCity | Juneau ⓘ |
| notableFor |
being one of the thickest known alpine glaciers
ⓘ
long-term advance during a period when most glaciers are retreating ⓘ |
| partOf |
Alaskan coastal glacier system
ⓘ
Coast Mountains ⓘ |
| recentTrend | slowing of advance and signs of thinning in the 21st century ⓘ |
| region |
Southeastern Alaska
ⓘ
surface form:
Southeast Alaska
|
| researchUse | indicator of climate and glaciological change in Southeast Alaska ⓘ |
| scientificDiscipline | glaciology ⓘ |
| state | Alaska ⓘ |
| subjectOf | long-term mass balance studies ⓘ |
| surfaceType | ice ⓘ |
| terminus | near sea level ⓘ |
| terminusType | tidewater ⓘ |
| tourism | viewed on sightseeing flights and boat tours near Juneau ⓘ |
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: Taku Glacier Description of subject: Taku Glacier is a massive tidewater glacier near Juneau, Alaska, known for its unusual long-term advance in an era when most glaciers are retreating.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.