Eady–Eliassen model
E549982
The Eady–Eliassen model is a foundational theoretical framework in atmospheric dynamics used to analyze baroclinic instability and the development of midlatitude weather systems.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
atmospheric dynamics model
ⓘ
baroclinic instability model ⓘ theoretical model ⓘ |
| appliesTo |
midlatitude troposphere
ⓘ
synoptic-scale atmospheric motions ⓘ |
| assumes |
Boussinesq approximation
ⓘ
adiabatic flow ⓘ constant vertical shear of the basic flow ⓘ f-plane approximation ⓘ inviscid flow ⓘ rigid lower boundary ⓘ rigid upper boundary ⓘ uniform static stability ⓘ |
| basedOn | quasi-geostrophic theory ⓘ |
| category |
atmospheric science
ⓘ
geophysical fluid dynamics models ⓘ theoretical meteorology ⓘ |
| describes |
energy conversion from mean flow to eddies
ⓘ
growth rate of baroclinic disturbances ⓘ tilt of eddies with height ⓘ vertical structure of unstable modes ⓘ |
| field |
atmospheric dynamics
ⓘ
geophysical fluid dynamics ⓘ |
| influenced | development of modern baroclinic instability theory ⓘ |
| involves |
boundary conditions at top and bottom of the atmosphere
ⓘ
eigenvalue problem for growth rates ⓘ normal-mode decomposition ⓘ |
| provides |
characteristic horizontal wavelength of most unstable modes
ⓘ
maximum growth rate for baroclinic waves under idealized conditions ⓘ |
| relatedTo |
Charney model of baroclinic instability
NERFINISHED
ⓘ
Eady model NERFINISHED ⓘ Eliassen–Palm theory NERFINISHED ⓘ quasi-geostrophic potential vorticity equation ⓘ |
| simplifies | full primitive equations of motion ⓘ |
| usedFor |
analysis of baroclinic instability
ⓘ
diagnosis of synoptic-scale disturbances ⓘ linear stability analysis of atmospheric flows ⓘ study of midlatitude weather systems ⓘ understanding growth of baroclinic waves ⓘ |
| usedIn |
idealized numerical experiments of baroclinic waves
ⓘ
teaching of synoptic and dynamical meteorology ⓘ theoretical studies of cyclone development ⓘ |
Referenced by (1)
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