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| ドリフターラグランジュ解析× | 音響ドップラー流速プロファイラー× | |
|---|---|---|
| 分野 | 海洋学 | 海洋学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1985 | 1983 |
| 提唱者≠ | Robert Davis | RD Instruments |
| 種類 | instrumental | instrumental |
| 原典≠ | 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 ↗ |
| 別名≠ | Lagrangian Tracking, Drifter Analysis | ADCP |
| 関連 | 3 | 3 |
| 概要≠ | 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. |
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