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| 音響ドップラー流速プロファイラー× | エクマン輸送× | |
|---|---|---|
| 分野 | 海洋学 | 海洋学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1983 | 1905 |
| 提唱者≠ | RD Instruments | Vagn Walfrid Ekman |
| 種類≠ | instrumental | theoretical-method |
| 原典≠ | 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 ↗ |
| 別名≠ | ADCP | Ekman Spiral, Wind-driven Transport |
| 関連 | 3 | 3 |
| 概要≠ | 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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