Labrador Sea Water
E196739
Labrador Sea Water is a cold, dense, and relatively fresh deep water mass formed by winter convection in the Labrador Sea that contributes significantly to the North Atlantic Deep Water and global ocean circulation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Labrador Sea Water canonical | 2 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
deep water mass
ⓘ
intermediate water mass ⓘ water mass ⓘ |
| ageCharacteristic | relatively young deep water compared to Antarctic Bottom Water ⓘ |
| associatedWith |
Labrador Sea deep convection events
ⓘ
North Atlantic Oscillation variability ⓘ |
| basin |
Nordic Seas
ⓘ
surface form:
Subpolar North Atlantic
|
| carbonCycleRole | important sink for anthropogenic CO₂ ⓘ |
| circulationPathway |
spreads eastward into the Irminger Sea
ⓘ
spreads into the Iceland Basin ⓘ spreads southward along the western boundary of the North Atlantic ⓘ |
| climateRelevance |
indicator of variability in North Atlantic overturning
ⓘ
sensitive to changes in surface heat and freshwater fluxes ⓘ |
| componentOf | North Atlantic Deep Water ⓘ |
| contributesTo | North Atlantic Deep Water ⓘ |
| densityClass | σθ ≈ 27.7–27.8 kg/m³ ⓘ |
| depthRange |
intermediate to deep ocean
ⓘ
~1000–2500 m ⓘ |
| formationMechanism |
brine rejection from sea-ice formation
ⓘ
intense surface buoyancy loss ⓘ surface cooling ⓘ |
| formationProcess |
deep convection
ⓘ
winter convection ⓘ |
| formationSeason | winter ⓘ |
| formedIn | Labrador Sea ⓘ |
| influences |
distribution of tracers such as CFCs and nutrients in the deep North Atlantic
ⓘ
storage of heat in the North Atlantic ⓘ |
| mixesWith |
Iceland–Scotland Overflow Water
ⓘ
surface form:
Denmark Strait Overflow Water
Iceland–Scotland Overflow Water ⓘ Mediterranean Outflow Water ⓘ
surface form:
Mediterranean Overflow Water
|
| monitoredBy |
Argo floats
ⓘ
surface form:
Argo profiling floats
hydrographic sections ⓘ moored current meter arrays ⓘ |
| namedAfter | Labrador Sea ⓘ |
| oceanRegion |
Atlantic Ocean
ⓘ
surface form:
North Atlantic Ocean
|
| researchField | physical oceanography ⓘ |
| roleInSystem |
important in global thermohaline circulation
ⓘ
key component of Atlantic Meridional Overturning Circulation ⓘ |
| salinityCharacteristic | fresher than underlying overflow waters ⓘ |
| salinityRange | ~34.8–34.9 psu ⓘ |
| temperatureCharacteristic | colder than overlying subtropical waters ⓘ |
| temperatureRange | ~2–3 °C ⓘ |
| transportedBy | Deep Western Boundary Current ⓘ |
| ventilationFunction |
transports oxygen to the deep ocean
ⓘ
ventilates the deep North Atlantic ⓘ |
| waterMassCoreProperty |
distinct salinity minimum layer
ⓘ
low potential vorticity core ⓘ |
| waterProperty |
cold
ⓘ
dense ⓘ relatively fresh ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.