Crosson Ice Shelf
E672175
Crosson Ice Shelf is a large Antarctic ice shelf located in the Amundsen Sea sector of West Antarctica, forming part of the region’s rapidly changing coastal ice front.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crosson Ice Shelf canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6996919 — 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: Crosson Ice Shelf Context triple: [Dotson Ice Shelf, adjacentTo, Crosson Ice Shelf]
-
A.
Dotson Ice Shelf
Dotson Ice Shelf is a floating extension of the West Antarctic Ice Sheet that drains into the Amundsen Sea and plays a significant role in regional ice loss and sea-level rise.
-
B.
Lazarev Ice Shelf
Lazarev Ice Shelf is a coastal ice shelf fringing the coast of Queen Maud Land in East Antarctica, forming part of the region’s extensive ice-covered shoreline.
-
C.
Getz Ice Shelf
Getz Ice Shelf is a large Antarctic ice shelf fringing the coast of Marie Byrd Land in the Amundsen Sea, known for its extensive calving front and contribution to regional ice loss.
-
D.
Riiser-Larsen Ice Shelf
The Riiser-Larsen Ice Shelf is a large Antarctic ice shelf fringing the coast of Queen Maud Land in the eastern part of the continent.
-
E.
Amery Ice Shelf
The Amery Ice Shelf is one of Antarctica’s largest ice shelves, a massive floating extension of the East Antarctic Ice Sheet that drains inland glaciers into the Southern Ocean.
- 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: Crosson Ice Shelf Target entity description: Crosson Ice Shelf is a large Antarctic ice shelf located in the Amundsen Sea sector of West Antarctica, forming part of the region’s rapidly changing coastal ice front.
-
A.
Dotson Ice Shelf
Dotson Ice Shelf is a floating extension of the West Antarctic Ice Sheet that drains into the Amundsen Sea and plays a significant role in regional ice loss and sea-level rise.
-
B.
Lazarev Ice Shelf
Lazarev Ice Shelf is a coastal ice shelf fringing the coast of Queen Maud Land in East Antarctica, forming part of the region’s extensive ice-covered shoreline.
-
C.
Getz Ice Shelf
Getz Ice Shelf is a large Antarctic ice shelf fringing the coast of Marie Byrd Land in the Amundsen Sea, known for its extensive calving front and contribution to regional ice loss.
-
D.
Riiser-Larsen Ice Shelf
The Riiser-Larsen Ice Shelf is a large Antarctic ice shelf fringing the coast of Queen Maud Land in the eastern part of the continent.
-
E.
Amery Ice Shelf
The Amery Ice Shelf is one of Antarctica’s largest ice shelves, a massive floating extension of the East Antarctic Ice Sheet that drains inland glaciers into the Southern Ocean.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
ice shelf ⓘ |
| adjacentTo |
Kohler Glacier
ⓘ
Smith Glacier ⓘ Thwaites Glacier ⓘ |
| borderedBy | Amundsen Sea ⓘ |
| characterizedAs | rapidly changing ice shelf ⓘ |
| composedOf | glacial ice ⓘ |
| experiences | basal melting from warm Circumpolar Deep Water ⓘ |
| fedBy |
Kohler Glacier
ⓘ
Smith Glacier ⓘ Thwaites Glacier ⓘ |
| hasApproximateArea | several thousand square kilometers ⓘ |
| hasCoastlineOn | Amundsen Sea ⓘ |
| hasDynamicState |
accelerating flow
ⓘ
retreating ⓘ thinning ⓘ |
| hasFlowDirection | generally northward toward Amundsen Sea ⓘ |
| hasProperty |
buttresses inland ice
ⓘ
subject to rapid thinning ⓘ subject to retreat ⓘ vulnerable to ocean-driven melting ⓘ |
| hasRegionalContext |
West Antarctic Ice Sheet margin
ⓘ
linked to:
West Antarctic Ice Sheet
|
| hasRetreatedSince | late 20th century ⓘ |
| hasSurfaceFeature |
crevasses
ⓘ
flow stripes ⓘ rifts ⓘ |
| influences | stability of West Antarctic Ice Sheet ⓘ |
| isExampleOf |
buttressing ice shelf
ⓘ
marine-terminating ice shelf ⓘ |
| isImportantFor | sea-level rise projections ⓘ |
| isInfluencedBy |
atmospheric warming
ⓘ
ocean temperature changes ⓘ |
| isLocatedOnCoastOf | Marie Byrd Land ⓘ |
| isMappedBy | United States Geological Survey ⓘ |
| locatedIn |
Amundsen Sea sector
ⓘ
linked to:
Amundsen Sea
Antarctica ⓘ West Antarctica ⓘ |
| monitoredBy |
airborne surveys
ⓘ
ice-penetrating radar ⓘ satellite remote sensing ⓘ |
| partOf |
Amundsen Sea Embayment
ⓘ
linked to:
Amundsen Sea
Amundsen Sea sector ice shelves ⓘ coastal ice front of West Antarctica ⓘ |
| studiedIn | climate change research ⓘ |
| terminusOf |
Kohler Glacier
ⓘ
Smith Glacier ⓘ Thwaites Glacier ⓘ |
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: Crosson Ice Shelf Description of subject: Crosson Ice Shelf is a large Antarctic ice shelf located in the Amundsen Sea sector of West Antarctica, forming part of the region’s rapidly changing coastal ice front.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.