Eliassen–Palm theorem

E549980

The Eliassen–Palm theorem is a fundamental result in atmospheric dynamics that relates wave activity and mean-flow interaction, providing a framework for understanding how atmospheric waves transport momentum and energy.

All labels observed (2)

Label Occurrences
Eliassen–Palm theorem canonical 1
Eliassen–Palm theory 1

How this entity was disambiguated

Statements (40)

Predicate Object
instanceOf result in atmospheric dynamics ⓘ
theorem ⓘ
appliesTo Rossby waves ⓘ
large-scale atmospheric waves ⓘ
planetary waves ⓘ
quasi-geostrophic flow ⓘ
zonal-mean flow ⓘ
associatedConcept Eliassen–Palm flux ⓘ
pseudomomentum ⓘ
quasi-geostrophic potential vorticity ⓘ
transformed Eulerian mean formulation ⓘ
wave activity ⓘ
zonal-mean momentum equation ⓘ
assumes scale separation between waves and mean flow ⓘ
small-amplitude waves ⓘ
context climate dynamics ⓘ
general circulation of the atmosphere ⓘ
middle atmosphere dynamics ⓘ
describes relationship between wave activity and mean flow ⓘ
transport of energy by atmospheric waves ⓘ
transport of momentum by atmospheric waves ⓘ
transport of potential vorticity by waves ⓘ
wave–mean flow interaction ⓘ
field atmospheric dynamics ⓘ
geophysical fluid dynamics ⓘ
meteorology ⓘ
implies conservation of wave activity in absence of dissipation and forcing ⓘ
mean-flow acceleration where Eliassen–Palm flux converges ⓘ
mean-flow deceleration where Eliassen–Palm flux diverges ⓘ
namedAfter Arnt Eliassen ⓘ
Erik Palmén ⓘ
provides diagnostic tool for wave activity fluxes ⓘ
framework for understanding wave–mean flow interaction ⓘ
relates Eliassen–Palm flux to mean-flow acceleration ⓘ
wave activity conservation to mean-flow changes ⓘ
usedFor analyzing sudden stratospheric warmings ⓘ
diagnosing wave forcing of the zonal mean wind ⓘ
studying atmospheric circulation response to waves ⓘ
studying stratosphere–troposphere coupling ⓘ
understanding midlatitude jet variability ⓘ

How these facts were elicited

Referenced by (2)

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

Arnt Eliassen → notableWork → Eliassen–Palm theorem ⓘ
Eady–Eliassen model → relatedTo → Eliassen–Palm theory ⓘ
linked to: Eliassen–Palm theorem