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| Geostrofisk vind× | Potentiell virvelinversion× | |
|---|---|---|
| Ämnesområde | Meteorologi | Meteorologi |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1857 | 1985 |
| Upphovsperson≠ | Buys Ballot, Coriolis | Haynes, McIntyre, Hoskins |
| Typ≠ | Wind balance principle | Diagnostic inversion method |
| Ursprungskälla≠ | Holton, J. R. (2004). An Introduction to Dynamic Meteorology (4th ed.). Academic Press. link ↗ | Haynes, P., & McIntyre, M. E. (1987). On the evolution of vorticity and potential vorticity in the atmosphere. Journal of the Atmospheric Sciences, 44(5), 828-841. link ↗ |
| Alias | Geostrophic wind, Geostrophic balance, Geostrophic approximation | PV inversion, Potential vorticity, PV thinking |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | Geostrophic wind balance is a fundamental concept in meteorology that describes the balance between the pressure gradient force and the Coriolis force in large-scale atmospheric flow. When this balance is achieved, wind blows parallel to isobars without acceleration—a condition observed in the free atmosphere away from the equator and surface boundary layer. | Potential vorticity (PV) inversion is a diagnostic technique that reconstructs atmospheric wind and pressure fields from the spatial distribution of potential vorticity. This method assumes that, in a geostrophically balanced atmosphere, the PV field uniquely determines the balanced circulation around anomalies. |
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