North Atlantic Deep Water
E26342
component of Atlantic Meridional Overturning Circulation
component of thermohaline circulation
deep water mass
water mass
North Atlantic Deep Water is a cold, dense water mass formed in the high-latitude North Atlantic that sinks and flows southward, driving a major component of the global ocean circulation and climate system.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
component of Atlantic Meridional Overturning Circulation
ⓘ
component of thermohaline circulation ⓘ deep water mass ⓘ water mass ⓘ |
| ageCharacteristic | younger than Pacific deep waters ⓘ |
| alternativeName | NADW ⓘ |
| associatedWith |
Atlantic Meridional Overturning Circulation strength
ⓘ
Gulf Stream ⓘ
surface form:
Gulf Stream system
subpolar gyre circulation ⓘ |
| basin |
Atlantic Ocean
ⓘ
surface form:
North Atlantic Ocean
|
| climateRelevance | key indicator of changes in the Atlantic Meridional Overturning Circulation ⓘ |
| climateSensitivity |
sensitive to changes in surface heat fluxes
ⓘ
sensitive to freshwater input from ice melt ⓘ |
| densityRelativeToSurfaceWater | higher ⓘ |
| drivingForce |
Atlantic Meridional Overturning Circulation
ⓘ
thermohaline circulation ⓘ |
| eventualFate |
contributes to deep waters of other ocean basins
ⓘ
upwells in the Southern Ocean ⓘ |
| flowDirection | southward ⓘ |
| formationLatitude | high-latitude North Atlantic ⓘ |
| formationProcess |
brine rejection during sea-ice formation
ⓘ
deep convection ⓘ surface cooling ⓘ |
| formationRegion |
Greenland Sea
ⓘ
Irminger Sea ⓘ Labrador Sea ⓘ Nordic Seas ⓘ |
| influences |
Arctic climate
ⓘ
European climate ⓘ North Atlantic climate ⓘ carbon storage in the deep ocean ⓘ heat transport in the Atlantic Ocean ⓘ nutrient distribution in the global ocean ⓘ sea level patterns ⓘ |
| ocean | Atlantic Ocean ⓘ |
| paleoClimateRelevance |
associated with glacial–interglacial circulation changes
ⓘ
linked to abrupt climate changes in the paleoclimate record ⓘ |
| pathway |
continues into the Southern Ocean
ⓘ
crosses the equator into the South Atlantic ⓘ flows southward along the western boundary of the Atlantic ⓘ |
| roleInSystem |
major component of global climate system
ⓘ
major component of global ocean circulation ⓘ |
| salinityCharacteristic | relatively high salinity ⓘ |
| temperatureCharacteristic | cold ⓘ |
| typicalDepthRange | 1500–4000 m ⓘ |
| waterMassProperty |
distinct temperature–salinity signature
ⓘ
high oxygen concentration compared to older deep waters ⓘ relatively high nutrient content compared to surface waters ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.