Nabesna River watershed
E1006132
The Nabesna River watershed is a glacially fed drainage basin in eastern Alaska that channels meltwater and runoff from surrounding mountains into the Nabesna River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nabesna River watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12845461 — 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: Nabesna River watershed Context triple: [Nabesna Glacier, influences, Nabesna River watershed]
-
A.
Zigzag River watershed
The Zigzag River watershed is a drainage basin in Oregon’s Mount Hood region that collects and channels water from surrounding lakes, streams, and mountain terrain into the Zigzag River system.
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B.
Nehalem River watershed
The Nehalem River watershed is a river basin in northwestern Oregon that drains the Nehalem River and its tributaries into the Pacific Ocean, encompassing forests, rural communities, and coastal habitats.
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C.
Paradise River watershed
The Paradise River watershed is a mountainous drainage basin in Mount Rainier National Park that collects snowmelt and rainfall feeding the Paradise River and its notable waterfalls.
-
D.
Nishnabotna River watershed
The Nishnabotna River watershed is a drainage basin in southwestern Iowa that collects and channels water from numerous streams and rivers into the Nishnabotna River system.
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E.
St. Regis River watershed
The St. Regis River watershed is a drainage basin in northern New York’s Adirondack region that collects water from numerous lakes and streams, including Upper St. Regis Lake, and channels it into the St. Regis River system.
- 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: Nabesna River watershed Target entity description: The Nabesna River watershed is a glacially fed drainage basin in eastern Alaska that channels meltwater and runoff from surrounding mountains into the Nabesna River system.
-
A.
Zigzag River watershed
The Zigzag River watershed is a drainage basin in Oregon’s Mount Hood region that collects and channels water from surrounding lakes, streams, and mountain terrain into the Zigzag River system.
-
B.
Nehalem River watershed
The Nehalem River watershed is a river basin in northwestern Oregon that drains the Nehalem River and its tributaries into the Pacific Ocean, encompassing forests, rural communities, and coastal habitats.
-
C.
Paradise River watershed
The Paradise River watershed is a mountainous drainage basin in Mount Rainier National Park that collects snowmelt and rainfall feeding the Paradise River and its notable waterfalls.
-
D.
Nishnabotna River watershed
The Nishnabotna River watershed is a drainage basin in southwestern Iowa that collects and channels water from numerous streams and rivers into the Nishnabotna River system.
-
E.
St. Regis River watershed
The St. Regis River watershed is a drainage basin in northern New York’s Adirondack region that collects water from numerous lakes and streams, including Upper St. Regis Lake, and channels it into the St. Regis River system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
hydrological basin ⓘ river watershed ⓘ |
| climate | subarctic climate ⓘ |
| collectsRunoffFrom | surrounding mountains ⓘ |
| contains |
alluvial fans
ⓘ
floodplains ⓘ glacial meltwater streams ⓘ headwater streams of the Nabesna River ⓘ river terraces ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainagePattern | dendritic drainage pattern ⓘ |
| drainageType | glacially fed drainage basin ⓘ |
| drainsInto | Nabesna River NERFINISHED ⓘ |
| fedBy | glaciers ⓘ |
| flowRegime |
lower winter discharge
ⓘ
seasonal high flows during summer melt ⓘ |
| governedBy |
State of Alaska water resource regulations
ⓘ
U.S. federal environmental regulations ⓘ |
| hasProcess |
fluvial erosion
ⓘ
glacial erosion ⓘ seasonal snowmelt ⓘ sediment transport ⓘ |
| hasUse |
scientific research
ⓘ
wilderness recreation ⓘ |
| hydrologicalSystem | Nabesna River system NERFINISHED ⓘ |
| landformContext |
Alaska Range region
NERFINISHED
ⓘ
Wrangell Mountains region NERFINISHED ⓘ |
| languageOfToponym | English ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
eastern Alaska NERFINISHED ⓘ |
| locatedInProtectedArea | Wrangell–St. Elias National Park and Preserve NERFINISHED ⓘ |
| namedAfter | Nabesna River NERFINISHED ⓘ |
| partOf |
Copper River watershed
NERFINISHED
ⓘ
Nabesna River basin NERFINISHED ⓘ |
| primaryWaterSource | glacial meltwater ⓘ |
| region | eastern interior Alaska ⓘ |
| relevantDiscipline |
geomorphology
ⓘ
glaciology ⓘ hydrology ⓘ watershed management ⓘ |
| supportsEcosystem |
alpine tundra ecosystems
ⓘ
boreal forest ecosystems ⓘ riparian habitats ⓘ |
| threatenedBy | climate change impacts on glaciers ⓘ |
| waterSource |
rainfall runoff
ⓘ
snowmelt ⓘ |
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: Nabesna River watershed Description of subject: The Nabesna River watershed is a glacially fed drainage basin in eastern Alaska that channels meltwater and runoff from surrounding mountains into the Nabesna River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.