Karkheh Dam
E807840
Karkheh Dam is a major embankment dam in southwestern Iran, built for irrigation, flood control, and hydroelectric power generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Karkheh Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9561358 — 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: Karkheh Dam Context triple: [Karkheh River, hasDam, Karkheh Dam]
-
A.
Karaj Dam
Karaj Dam is a major Iranian concrete arch dam near the city of Karaj that provides water supply, irrigation, and hydroelectric power to the Tehran region.
-
B.
Sefid-Rud Dam
Sefid-Rud Dam is a major hydroelectric and irrigation dam in northern Iran that regulates the flow of the Sefid-Rud River and supports agriculture in the surrounding region.
-
C.
Karun-1 Dam
Karun-1 Dam is a major hydroelectric arch dam in southwestern Iran, built on the Karun River to generate power and control floods.
-
D.
Karun-3 Dam
Karun-3 Dam is a large hydroelectric and flood-control dam in Iran, built on the Karun River to generate power and regulate water resources.
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E.
Karun-4 Dam
Karun-4 Dam is a major hydroelectric and water storage dam in Iran, built on the Karun River to generate power and support regional water management.
- 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: Karkheh Dam Target entity description: Karkheh Dam is a major embankment dam in southwestern Iran, built for irrigation, flood control, and hydroelectric power generation.
-
A.
Karaj Dam
Karaj Dam is a major Iranian concrete arch dam near the city of Karaj that provides water supply, irrigation, and hydroelectric power to the Tehran region.
-
B.
Sefid-Rud Dam
Sefid-Rud Dam is a major hydroelectric and irrigation dam in northern Iran that regulates the flow of the Sefid-Rud River and supports agriculture in the surrounding region.
-
C.
Karun-1 Dam
Karun-1 Dam is a major hydroelectric arch dam in southwestern Iran, built on the Karun River to generate power and control floods.
-
D.
Karun-3 Dam
Karun-3 Dam is a large hydroelectric and flood-control dam in Iran, built on the Karun River to generate power and regulate water resources.
-
E.
Karun-4 Dam
Karun-4 Dam is a major hydroelectric and water storage dam in Iran, built on the Karun River to generate power and support regional water management.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
embankment dam
ⓘ
hydroelectric dam ⓘ |
| affectsRegion | Khuzestan agricultural plains ⓘ |
| annualGeneration | ~934 GWh ⓘ |
| baseWidth | 780 m ⓘ |
| constructionBegan | 1992 ⓘ |
| constructionMaterial |
earth-fill
ⓘ
rock-fill ⓘ |
| continent | Asia ⓘ |
| country | Iran ⓘ |
| crestWidth | 15 m ⓘ |
| crosses | Karkheh River NERFINISHED ⓘ |
| damVolume | 33,000,000 m3 ⓘ |
| designedBy | Mahab Ghodss Consulting Engineering Company NERFINISHED ⓘ |
| designedForIrrigationArea | ~320,000 ha ⓘ |
| hasPowerPlant | Karkheh Hydropower Plant NERFINISHED ⓘ |
| height | 127 m ⓘ |
| latitude | 32.27 N ⓘ |
| length | 3030 m ⓘ |
| locatedIn |
Khuzestan Province
NERFINISHED
ⓘ
southwestern Iran ⓘ |
| locatedOn |
Karkheh River in Khuzestan
NERFINISHED
ⓘ
upstream of the city of Shush ⓘ |
| longitude | 48.15 E ⓘ |
| nearCity |
Andimeshk
NERFINISHED
ⓘ
Shush NERFINISHED ⓘ |
| openingDate | 2001 ⓘ |
| operator | Iran Water and Power Resources Development Company NERFINISHED ⓘ |
| owner | Iran Water and Power Resources Development Company NERFINISHED ⓘ |
| partOf | Iran national water resources development projects NERFINISHED ⓘ |
| plantCapacity | 400 MW ⓘ |
| plantCommissioned | 2001 ⓘ |
| plantTurbines | 3 x 133 MW Francis-type turbines ⓘ |
| projectDeveloper | Iran Ministry of Energy NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ |
| region | Middle East ⓘ |
| reservoirCapacityTotal | 5,900,000,000 m3 ⓘ |
| reservoirName | Karkheh Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | 180 km2 ⓘ |
| riverBasin | Karkheh River basin ⓘ |
| spillwayCapacity | 18,000 m3/s ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
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: Karkheh Dam Description of subject: Karkheh Dam is a major embankment dam in southwestern Iran, built for irrigation, flood control, and hydroelectric power generation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.