Weddell–Scotia Confluence
E190845
The Weddell–Scotia Confluence is a dynamic oceanographic region in the Southern Ocean where cold, dense waters from the Weddell Sea interact and mix with the relatively warmer waters of the Scotia Sea, creating complex currents and fronts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Weddell–Scotia Confluence canonical | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
ocean current system
ⓘ
oceanographic region ⓘ |
| affects |
habitat conditions for Southern Ocean marine ecosystems
ⓘ
nutrient distribution in the Scotia Sea region ⓘ |
| borderedBy |
Scotia Ridge
ⓘ
surface form:
Scotia Ridge region
Weddell Sea ⓘ
surface form:
northern Weddell Sea
northwestern Weddell Sea continental margin ⓘ |
| characterizedBy |
complex current structure
ⓘ
intense mesoscale eddy activity ⓘ mixing of cold dense waters with relatively warmer waters ⓘ ocean fronts ⓘ strong horizontal density gradients ⓘ |
| connects |
Scotia Sea
ⓘ
Weddell Sea ⓘ |
| experiences |
interannual variability linked to large-scale climate modes
ⓘ
seasonal variability in stratification and sea ice cover ⓘ |
| hasCurrent |
eastward-flowing Scotia Sea currents
ⓘ
northward-flowing Weddell Sea outflow ⓘ |
| hasFront |
sharp salinity front
ⓘ
sharp temperature front ⓘ |
| hasProcess |
entrainment of Weddell Sea waters into the Antarctic Circumpolar Current
ⓘ
mixing of Antarctic Bottom Water with overlying water masses ⓘ water mass transformation ⓘ |
| hasProperty |
higher salinity in Weddell Sea Deep Water compared to overlying waters
ⓘ
strong vertical stratification in some seasons ⓘ very low surface temperatures in Weddell-derived waters ⓘ |
| hasWaterMass |
Antarctic Circumpolar Deep Water
ⓘ
surface form:
Circumpolar Deep Water
Scotia Sea surface and intermediate waters ⓘ Antarctic Bottom Water ⓘ
surface form:
Weddell Sea Bottom Water
Antarctic Bottom Water ⓘ
surface form:
Weddell Sea Deep Water
|
| importantFor |
assessing climate change impacts on Southern Ocean circulation
ⓘ
understanding Antarctic Bottom Water export ⓘ understanding interbasin exchange between Weddell Sea and Scotia Sea ⓘ |
| influences |
distribution of Antarctic Bottom Water
ⓘ
exchange of properties between Weddell Sea and Scotia Sea ⓘ global thermohaline circulation ⓘ sea ice distribution in the northwestern Weddell Sea region ⓘ ventilation of the deep Atlantic Ocean ⓘ |
| locatedBetween |
Scotia Sea
ⓘ
Weddell Sea ⓘ |
| locatedIn |
South Atlantic sector of the Southern Ocean
ⓘ
surface form:
Atlantic sector of the Southern Ocean
Southern Ocean ⓘ |
| partOf |
Antarctic Circumpolar Current
ⓘ
surface form:
Antarctic Circumpolar Current system
|
| studiedInDiscipline |
climate science
ⓘ
physical oceanography ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.