C-23 Canal
E575539
The C-23 Canal is a man-made waterway in Florida that drains agricultural and urban runoff into the St. Lucie Estuary, significantly influencing its water quality and ecosystem health.
All labels observed (1)
| Label | Occurrences |
|---|---|
| C-23 Canal canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6157852 — 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: C-23 Canal Context triple: [St. Lucie Estuary, receivesFreshwaterDischargesFrom, C-23 Canal]
-
A.
C-44 Canal
The C-44 Canal is a major man-made waterway in South Florida that connects Lake Okeechobee to the St. Lucie Estuary as part of the region’s flood control and water management system.
-
B.
Juliana Canal
The Juliana Canal is a major Dutch shipping canal in the province of Limburg that runs roughly parallel to the river Meuse (Maas) to facilitate inland navigation and flood management.
-
C.
Küsten Canal
The Küsten Canal is a major shipping canal in northwestern Germany that links the Ems and Weser river systems and supports regional inland water transport.
-
D.
Tamiami Canal
Tamiami Canal is a major man-made waterway in South Florida that runs parallel to the Tamiami Trail, helping drain the Everglades and manage water flow around the Miami metropolitan area.
-
E.
Zihl Canal
The Zihl Canal is a Swiss waterway that channels the outflow of Lake Biel toward the Aare River, helping regulate water levels in the Seeland region.
- 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: C-23 Canal Target entity description: The C-23 Canal is a man-made waterway in Florida that drains agricultural and urban runoff into the St. Lucie Estuary, significantly influencing its water quality and ecosystem health.
-
A.
C-44 Canal
The C-44 Canal is a major man-made waterway in South Florida that connects Lake Okeechobee to the St. Lucie Estuary as part of the region’s flood control and water management system.
-
B.
Juliana Canal
The Juliana Canal is a major Dutch shipping canal in the province of Limburg that runs roughly parallel to the river Meuse (Maas) to facilitate inland navigation and flood management.
-
C.
Küsten Canal
The Küsten Canal is a major shipping canal in northwestern Germany that links the Ems and Weser river systems and supports regional inland water transport.
-
D.
Tamiami Canal
Tamiami Canal is a major man-made waterway in South Florida that runs parallel to the Tamiami Trail, helping drain the Everglades and manage water flow around the Miami metropolitan area.
-
E.
Zihl Canal
The Zihl Canal is a Swiss waterway that channels the outflow of Lake Biel toward the Aare River, helping regulate water levels in the Seeland region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
man-made waterway ⓘ |
| associatedWith |
freshwater discharges to estuary
ⓘ
nutrient pollution ⓘ sediment loading ⓘ |
| basinLandUse |
agricultural lands
ⓘ
urban and suburban development ⓘ |
| connectedTo |
C-24 Canal
NERFINISHED
ⓘ
C-25 Canal NERFINISHED ⓘ |
| constructedFor |
flood control
ⓘ
regional drainage ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainsInto | St. Lucie Estuary NERFINISHED ⓘ |
| impact |
changes in salinity regimes in the St. Lucie Estuary
ⓘ
degradation of estuarine habitats ⓘ |
| influences |
ecosystem health of the St. Lucie Estuary
ⓘ
water quality of the St. Lucie Estuary ⓘ |
| locatedIn |
Martin County, Florida
NERFINISHED
ⓘ
St. Lucie County, Florida NERFINISHED ⓘ |
| managedBy | South Florida Water Management District NERFINISHED ⓘ |
| partOf |
Central and Southern Florida Project drainage system
NERFINISHED
ⓘ
St. Lucie River watershed NERFINISHED ⓘ |
| primaryFunction |
drainage of agricultural runoff
ⓘ
drainage of urban runoff ⓘ |
| region | Treasure Coast, Florida NERFINISHED ⓘ |
| state | Florida ⓘ |
| subjectOf |
ecosystem restoration planning for the St. Lucie Estuary
ⓘ
water quality management programs ⓘ |
| waterType | freshwater ⓘ |
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: C-23 Canal Description of subject: The C-23 Canal is a man-made waterway in Florida that drains agricultural and urban runoff into the St. Lucie Estuary, significantly influencing its water quality and ecosystem health.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.