Gibraltar sill
E733841
The Gibraltar sill is the shallow submarine threshold at the Strait of Gibraltar that controls deep-water exchange between the Mediterranean Sea and the Atlantic Ocean.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gibraltar sill canonical | 1 |
| Strait of Gibraltar sill | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8445906 — 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: Gibraltar sill Context triple: [Mediterranean Outflow Water, isExportedThrough, Gibraltar sill]
-
A.
Alboran Ridge
Alboran Ridge is a prominent submarine geological feature in the western Mediterranean Sea that separates the Alboran Basin from adjacent deep-water areas.
-
B.
Gibraltar Rock
Gibraltar Rock is a prominent rocky outcrop on the southern flank of Mount Rainier, known as a key landmark and climbing feature near Camp Muir.
-
C.
Gibraltar Rock
Gibraltar Rock is a prominent rocky islet within Hyderabad’s Hussain Sagar Lake, known for supporting the massive Buddha statue that serves as a city landmark.
-
D.
Cape Spartel
Cape Spartel is a prominent headland on the Atlantic coast of northern Morocco, marking the entrance to the Strait of Gibraltar near Tangier.
-
E.
Falkland Ridge
Falkland Ridge is a rural community in Nova Scotia, Canada.
- 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: Gibraltar sill Target entity description: The Gibraltar sill is the shallow submarine threshold at the Strait of Gibraltar that controls deep-water exchange between the Mediterranean Sea and the Atlantic Ocean.
-
A.
Alboran Ridge
Alboran Ridge is a prominent submarine geological feature in the western Mediterranean Sea that separates the Alboran Basin from adjacent deep-water areas.
-
B.
Gibraltar Rock
Gibraltar Rock is a prominent rocky outcrop on the southern flank of Mount Rainier, known as a key landmark and climbing feature near Camp Muir.
-
C.
Gibraltar Rock
Gibraltar Rock is a prominent rocky islet within Hyderabad’s Hussain Sagar Lake, known for supporting the massive Buddha statue that serves as a city landmark.
-
D.
Cape Spartel
Cape Spartel is a prominent headland on the Atlantic coast of northern Morocco, marking the entrance to the Strait of Gibraltar near Tangier.
-
E.
Falkland Ridge
Falkland Ridge is a rural community in Nova Scotia, Canada.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
submarine sill
ⓘ
submarine topographic feature ⓘ |
| controls |
deep-water exchange between the Mediterranean Sea and the Atlantic Ocean
ⓘ
inflow of Atlantic surface water into the Mediterranean Sea ⓘ overflow of dense Mediterranean water into the Atlantic Ocean ⓘ |
| hasAlternateName |
Gibraltar threshold
ⓘ
Strait of Gibraltar sill ⓘ
linked to:
Gibraltar sill
|
| hasFeature |
hydraulic control of overflow
ⓘ
narrow topographic constriction ⓘ submarine ridge ⓘ |
| hasMaximumDepth | about 900 m ⓘ |
| hasMinimumDepth |
about 280 m
ⓘ
approximately 300 m ⓘ |
| hasProcess |
Mediterranean overflow plume formation
ⓘ
entrainment of Atlantic water into Mediterranean overflow ⓘ hydraulically controlled overflow ⓘ |
| hasRoleIn |
salt budget of the Mediterranean Sea
ⓘ
ventilation of intermediate and deep waters in the eastern North Atlantic ⓘ water budget of the Mediterranean Sea ⓘ |
| influences |
Atlantic thermohaline circulation
ⓘ
linked to:
Atlantic Meridional Overturning Circulation
density structure of the Mediterranean Sea ⓘ exchange of dissolved oxygen between the Atlantic Ocean and Mediterranean Sea ⓘ exchange of heat between the Atlantic Ocean and Mediterranean Sea ⓘ exchange of nutrients between the Atlantic Ocean and Mediterranean Sea ⓘ global ocean circulation ⓘ salinity of the Mediterranean Sea ⓘ temperature structure of the Mediterranean Sea ⓘ |
| isKeyControlOn |
Mediterranean Outflow Water formation
ⓘ
linked to:
Mediterranean Outflow Water
Mediterranean–Atlantic water mass exchange ⓘ |
| isLocatedNear |
Ceuta
ⓘ
Gibraltar ⓘ Iberian Peninsula ⓘ northwest Africa ⓘ
linked to:
Northwest Africa
|
| isPartOf |
Gibraltar Arc region
ⓘ
linked to:
Gibraltar Arc
|
| isStudiedIn |
marine geology
ⓘ
paleoceanography ⓘ physical oceanography ⓘ |
| locatedIn |
Alboran Sea
ⓘ
Atlantic–Mediterranean gateway ⓘ
linked to:
Atlantic–Mediterranean corridor
Strait of Gibraltar ⓘ western Mediterranean Sea ⓘ
linked to:
Western Mediterranean
|
| partOf | Strait of Gibraltar ⓘ |
| separates |
Atlantic Ocean
ⓘ
Mediterranean Sea ⓘ |
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: Gibraltar sill Description of subject: The Gibraltar sill is the shallow submarine threshold at the Strait of Gibraltar that controls deep-water exchange between the Mediterranean Sea and the Atlantic Ocean.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gibraltar sill