Atlantic Multidecadal Variability

E582720

North Atlantic climate phenomenon climate variability mode sea surface temperature pattern

Atlantic Multidecadal Variability is a long-term pattern of sea surface temperature fluctuations in the North Atlantic Ocean that affects regional and global climate, including hurricane activity and rainfall patterns.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form	Occurrences
Atlantic Multidecadal Oscillation	2

Statements (49)

Predicate	Object
instanceOf	North Atlantic climate phenomenon ⓘ climate variability mode ⓘ sea surface temperature pattern ⓘ
abbreviation	AMO ⓘ AMV ⓘ
affects	Arctic sea ice extent ⓘ Atlantic hurricane activity ⓘ Atlantic storm tracks ⓘ European climate ⓘ North American rainfall patterns ⓘ North Atlantic sea surface temperature ⓘ Sahel rainfall ⓘ global climate ⓘ precipitation over the Mediterranean region ⓘ regional climate ⓘ summer climate over North America ⓘ tropical cyclone frequency in the North Atlantic ⓘ tropical cyclone intensity in the North Atlantic ⓘ
alsoKnownAs	Atlantic Multidecadal Oscillation NERFINISHED ⓘ
correlatesWith	variability in Atlantic Meridional Overturning Circulation ⓘ
hasCharacteristic	basin-scale pattern ⓘ low-frequency variability ⓘ multidecadal timescale ⓘ
hasImpactOn	North Atlantic fisheries productivity ⓘ marine ecosystems in the North Atlantic ⓘ regional temperature anomalies over adjacent continents ⓘ
hasPhase	cool phase ⓘ warm phase ⓘ
hasTypicalPeriod	60–80 years ⓘ
hasUncertainty	debate over relative roles of internal variability and forcing ⓘ
involves	Atlantic Meridional Overturning Circulation variability ⓘ ocean circulation changes ⓘ sea surface temperature anomalies ⓘ thermohaline circulation variability ⓘ
isDetectedBy	principal component analysis of SST anomalies ⓘ statistical analysis of sea surface temperature records ⓘ
isInfluencedBy	external radiative forcing ⓘ internal ocean–atmosphere variability ⓘ
isRepresentedIn	coupled climate models ⓘ
isSubjectOf	climate change attribution studies ⓘ
isUsedFor	decadal climate prediction ⓘ hurricane activity outlooks ⓘ long-term rainfall projections in the Sahel ⓘ
occursIn	North Atlantic Ocean NERFINISHED ⓘ
relatesTo	Atlantic Meridional Mode NERFINISHED ⓘ El Niño–Southern Oscillation NERFINISHED ⓘ Pacific Decadal Oscillation NERFINISHED ⓘ
timeScale	multidecadal ⓘ
wasIdentifiedIn	North Atlantic instrumental SST records ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Atlantic hurricane season → influencedBy → Atlantic Multidecadal Variability ⓘ

this entity surface form: Atlantic Multidecadal Oscillation

global thermohaline circulation → influences → Atlantic Multidecadal Variability ⓘ

PDO → isDistinctFrom → Atlantic Multidecadal Variability ⓘ

subject surface form: Pacific Decadal Oscillation

this entity surface form: Atlantic Multidecadal Oscillation