El Niño–Southern Oscillation
E3546
El Niño–Southern Oscillation is a recurring climate pattern involving temperature and pressure changes in the tropical Pacific that strongly influences global weather and climate variability.
Observed surface forms (5)
| Surface form | Occurrences |
|---|---|
| Bjerknes feedback mechanism | 1 |
| ENSO | 1 |
| ENSO Diagnostic Discussion | 1 |
| El Niño | 1 |
| La Niña | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
atmospheric–oceanic oscillation
ⓘ
climate phenomenon ⓘ recurring climate pattern ⓘ |
| affects |
global climate variability
ⓘ
global weather patterns ⓘ |
| coldPhaseCharacterizedBy | cooler than average central and eastern equatorial Pacific sea surface temperatures ⓘ |
| hasAbbreviation |
El Niño–Southern Oscillation
self-linksurface differs
ⓘ
surface form:
ENSO
|
| hasColdPhase | La Niña ⓘ |
| hasComponent |
El Niño–Southern Oscillation
self-linksurface differs
ⓘ
surface form:
El Niño
La Niña ⓘ neutral ENSO phase ⓘ |
| hasSpatialExtent | equatorial Pacific basin ⓘ |
| hasTeleconnectionsWith |
Africa climate
ⓘ
Asia climate ⓘ Australia climate ⓘ North America climate ⓘ South America climate ⓘ |
| hasTypicalPeriod | 2 to 7 years ⓘ |
| hasWarmPhase | El Niño ⓘ |
| influences |
Atlantic hurricane activity
ⓘ
Pacific hurricane activity ⓘ agricultural yields ⓘ drought occurrence ⓘ fisheries productivity ⓘ flood occurrence ⓘ global temperature anomalies ⓘ marine ecosystems ⓘ monsoon variability ⓘ public health outcomes ⓘ tropical rainfall patterns ⓘ wildfire risk ⓘ |
| involves |
atmospheric pressure anomalies
ⓘ
ocean–atmosphere interactions ⓘ sea surface temperature anomalies ⓘ |
| isAssociatedWith | Southern Oscillation ⓘ |
| isCharacterizedBy | irregular periodicity ⓘ |
| isImportantFor |
long-range weather forecasting
ⓘ
seasonal climate prediction ⓘ |
| isLinkedTo |
Walker circulation changes
ⓘ
ocean upwelling changes ⓘ thermocline depth variations ⓘ trade wind strength changes ⓘ |
| isMeasuredBy |
Niño 3.4 index
ⓘ
Southern Oscillation Index ⓘ sea surface temperature anomalies in Niño regions ⓘ |
| isModeledIn | global climate models ⓘ |
| isMonitoredBy |
National Oceanic and Atmospheric Administration
ⓘ
surface form:
NOAA
World Meteorological Organization ⓘ national meteorological agencies ⓘ |
| occursIn | tropical Pacific Ocean ⓘ |
| warmPhaseCharacterizedBy | warmer than average central and eastern equatorial Pacific sea surface temperatures ⓘ |
| wasNamedBy | Jacob Bjerknes ⓘ |
Referenced by (32)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
La Niña
El Niño–Southern Oscillation
→
hasAbbreviation
→
El Niño–Southern Oscillation
self-linksurface differs
ⓘ
this entity surface form:
ENSO
El Niño–Southern Oscillation
→
hasComponent
→
El Niño–Southern Oscillation
self-linksurface differs
ⓘ
this entity surface form:
El Niño
this entity surface form:
Bjerknes feedback mechanism
this entity surface form:
ENSO Diagnostic Discussion
subject surface form:
East Australian Current