Porovnat metody
Prohlédněte si vybrané metody vedle sebe; řádky, které se liší, jsou zvýrazněny.
| Ekmanův transport× | Geostrofická rychlost× | |
|---|---|---|
| Obor | Oceánografie | Oceánografie |
| Rodina | Process / pipeline | Process / pipeline |
| Rok vzniku≠ | 1905 | 1942 |
| Tvůrce≠ | Vagn Walfrid Ekman | Harald Sverdrup |
| Typ | theoretical-method | theoretical-method |
| Původní zdroj≠ | Ekman, V. W. (1905). On the influence of the Earth's rotation on ocean currents. Arkiv for Matematik, Astronomi och Fysik, 2(11), 1-52. link ↗ | Sverdrup, H. U., Johnson, M. W., & Fleming, R. H. (1942). The Oceans: Their Physics, Chemistry, and General Biology. Prentice-Hall. link ↗ |
| Další názvy | Ekman Spiral, Wind-driven Transport | Geostrophic Current, Thermal Wind Equation |
| Příbuzné | 3 | 3 |
| Shrnutí≠ | Ekman transport is the net volume flux of water driven by wind stress balanced with Coriolis force in the surface boundary layer. Derived by Vagn Walfrid Ekman in 1905 from the principle that wind stress is transmitted through the water column in a spiral pattern, Ekman transport is responsible for coastal upwelling and important oceanographic transports. The theory links surface wind patterns directly to ocean circulation. | Geostrophic velocity is the current driven by balance between the pressure gradient force and the Coriolis force, derived from the thermal wind equation. In most of the ocean away from the equator and coastal boundaries, geostrophic balance is an excellent approximation to the actual flow. Developed by Harald Sverdrup and colleagues in the 1940s, geostrophic velocity calculation from hydrographic data enables estimation of ocean currents without direct current measurements. |
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