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| Лагранжиански анализ с дрифтери× | Акустичен доплеров профиломер на течения (ADCP)× | Транспорт на Екман× | |
|---|---|---|---|
| Област | Океанография | Океанография | Океанография |
| Семейство | Process / pipeline | Process / pipeline | Process / pipeline |
| Година на възникване≠ | 1985 | 1983 | 1905 |
| Създател≠ | Robert Davis | RD Instruments | Vagn Walfrid Ekman |
| Тип≠ | instrumental | instrumental | theoretical-method |
| Основополагащ източник≠ | Davis, R. E. (1985). Drifter observations of coastal surface currents during CODE: The method and descriptive view. Journal of Geophysical Research, 90(C3), 4741-4755. DOI ↗ | RD Instruments. (1996). Acoustic Doppler Current Profiler Principles of Operation. A Practical Primer. RD Instruments Technical Note. link ↗ | 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 ↗ |
| Други названия≠ | Lagrangian Tracking, Drifter Analysis | ADCP | Ekman Spiral, Wind-driven Transport |
| Свързани | 3 | 3 | 3 |
| Резюме≠ | Drifter Lagrangian analysis tracks the motion of water parcels using surface drifters (buoys with attached drogues) to measure ocean currents directly. Developed by Robert Davis in the 1980s, this method provides direct observation of water parcel trajectories and enables estimation of eddy diffusivity, transport pathways, and mixing. Drifter data complement Eulerian (fixed-point) observations by capturing the Lagrangian perspective of fluid motion. | The Acoustic Doppler Current Profiler (ADCP) is an instrument that uses Doppler-shifted acoustic backscatter to measure water velocity profiles along a vertical profile. Developed by RD Instruments in the 1980s, it has become the standard method for high-resolution current profiling in oceanographic research. ADCPs provide unprecedented spatial and temporal resolution of ocean circulation patterns. | 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. |
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