Sverdrup
E923263
A sverdrup is an oceanographic unit of volume transport equal to one million cubic meters of seawater per second, commonly used to quantify large-scale ocean currents.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sverdrup canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11394611 — 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: Sverdrup Context triple: [Indonesian Throughflow, transportUnit, Sverdrup]
-
A.
Bjerknes
Bjerknes is a Norwegian surname most notably associated with the influential family of physicists and meteorologists who helped found modern weather forecasting and climate science.
-
B.
Heiskell
Heiskell is a surname most notably associated with Andrew Heiskell, an influential American magazine publisher and philanthropist.
-
C.
Ekman
Ekman is a Swedish surname borne by several notable figures in Sweden’s cultural and public life.
-
D.
Otto Sverdrup
Otto Sverdrup was a Norwegian Arctic explorer and sea captain best known for leading major polar expeditions and commanding the ship Fram.
-
E.
Georg Sverdrup
Georg Sverdrup was a Norwegian politician and constitutional scholar who played a key role in shaping Norway’s 1814 constitution and advocating for national self-determination.
- 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: Sverdrup Target entity description: A sverdrup is an oceanographic unit of volume transport equal to one million cubic meters of seawater per second, commonly used to quantify large-scale ocean currents.
-
A.
Bjerknes
Bjerknes is a Norwegian surname most notably associated with the influential family of physicists and meteorologists who helped found modern weather forecasting and climate science.
-
B.
Heiskell
Heiskell is a surname most notably associated with Andrew Heiskell, an influential American magazine publisher and philanthropist.
-
C.
Ekman
Ekman is a Swedish surname borne by several notable figures in Sweden’s cultural and public life.
-
D.
Otto Sverdrup
Otto Sverdrup was a Norwegian Arctic explorer and sea captain best known for leading major polar expeditions and commanding the ship Fram.
-
E.
Georg Sverdrup
Georg Sverdrup was a Norwegian politician and constitutional scholar who played a key role in shaping Norway’s 1814 constitution and advocating for national self-determination.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
oceanographic unit
ⓘ
unit of volume transport ⓘ |
| abbreviationStyle | capital S followed by lowercase v ⓘ |
| appliesTo |
ocean currents
ⓘ
seawater ⓘ |
| definition |
1 Sv = 1,000,000 cubic metres per second
ⓘ
1 Sv = 10^6 m^3/s ⓘ |
| dimension | volume per unit time ⓘ |
| etymology | named in honor of Harald Ulrik Sverdrup ⓘ |
| exampleUse |
Antarctic Circumpolar Current transport is expressed in sverdrups
ⓘ
Gulf Stream transport is often expressed in sverdrups ⓘ
linked to:
Gulf Stream
|
| expressedIn | cubic metres per second ⓘ |
| fieldOfUse |
oceanography
ⓘ
physical oceanography ⓘ |
| measurementMedium |
oceans
ⓘ
seas ⓘ |
| namedAfter |
Harald Sverdrup
ⓘ
linked to:
Harald Ulrik Sverdrup
|
| namedForOccupation | Norwegian oceanographer ⓘ |
| notSIBaseUnit | true ⓘ |
| quantityKind | volume flow rate ⓘ |
| relatedConcept |
mass transport in the ocean
ⓘ
streamfunction of ocean circulation ⓘ |
| scale | large-scale ocean circulation ⓘ |
| scaleOfUse |
basin-scale circulation
ⓘ
global-scale circulation ⓘ |
| SIUnitRelation | 1 Sv = 10^6 m^3/s ⓘ |
| status | commonly used in oceanography literature ⓘ |
| symbol | Sv ⓘ |
| typicalContext |
climate studies
ⓘ
global circulation models ⓘ observational oceanography ⓘ |
| typicalMagnitude |
global ocean overturning circulation
ⓘ
major boundary currents ⓘ |
| typicalValueRange | from a few to hundreds of sverdrups for major currents ⓘ |
| unitCategory | transport unit ⓘ |
| unitSystem | non-SI unit used with SI ⓘ |
| usedBy |
climate scientists
ⓘ
oceanographers ⓘ physical oceanography modelers ⓘ |
| usedFor |
describing strength of ocean currents
ⓘ
measuring volume transport of ocean currents ⓘ quantifying large-scale ocean circulation ⓘ |
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: Sverdrup Description of subject: A sverdrup is an oceanographic unit of volume transport equal to one million cubic meters of seawater per second, commonly used to quantify large-scale ocean currents.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.