Eliassen–Palm flux
E549981
Eliassen–Palm flux is a fundamental concept in atmospheric dynamics that quantifies the transport of wave activity and momentum by large-scale atmospheric waves, crucial for understanding the general circulation of the atmosphere.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
atmospheric dynamics concept
ⓘ
diagnostic tool in meteorology ⓘ wave-activity flux ⓘ |
| appliesTo |
Rossby waves
NERFINISHED
ⓘ
large-scale atmospheric waves ⓘ quasi-geostrophic flow ⓘ |
| component |
meridional component of EP flux
ⓘ
vertical component of EP flux ⓘ |
| describes |
interaction between waves and mean flow
ⓘ
transport of wave activity ⓘ transport of zonal momentum by waves ⓘ |
| field |
atmospheric dynamics
ⓘ
geophysical fluid dynamics ⓘ meteorology ⓘ |
| implies |
convergence corresponds to wave drag on mean flow
ⓘ
divergence corresponds to acceleration of mean flow ⓘ |
| introducedIn | mid-20th century atmospheric dynamics literature ⓘ |
| mathematicallyDefinedIn | zonal-mean quasi-geostrophic equations ⓘ |
| namedAfter |
Arnt Eliassen
NERFINISHED
ⓘ
Erik Palmén NERFINISHED ⓘ |
| property |
defined in log-pressure or pressure coordinates
ⓘ
points in direction of wave activity propagation ⓘ vector quantity ⓘ |
| relatedTo |
eddy heat flux
ⓘ
eddy momentum flux ⓘ quasi-geostrophic potential vorticity ⓘ transformed Eulerian mean formulation ⓘ wave activity conservation ⓘ zonal-mean circulation ⓘ |
| usedFor |
analyzing stratosphere–troposphere coupling
ⓘ
diagnosing heat budget in the atmosphere ⓘ diagnosing momentum budget in the atmosphere ⓘ diagnosing wave–mean flow interaction ⓘ evaluating climate models ⓘ evaluating numerical weather prediction models ⓘ studying baroclinic waves ⓘ studying planetary waves ⓘ studying sudden stratospheric warmings ⓘ understanding general circulation of the atmosphere ⓘ |
| usedIn |
climate variability research
ⓘ
diagnosis of jet stream variability ⓘ stratospheric dynamics studies ⓘ studies of Brewer–Dobson circulation ⓘ studies of blocking events ⓘ tropospheric dynamics studies ⓘ |
Referenced by (1)
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