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| Ακουστικός Μετρητής Ρεύματος Doppler× | Μεταφορά Ekman× | Αρμονική Ανάλυση Παλιρροιών× | |
|---|---|---|---|
| Πεδίο | Ωκεανογραφία | Ωκεανογραφία | Ωκεανογραφία |
| Οικογένεια | Process / pipeline | Process / pipeline | Process / pipeline |
| Έτος προέλευσης≠ | 1983 | 1905 | 1867 |
| Δημιουργός≠ | RD Instruments | Vagn Walfrid Ekman | William Thomson |
| Τύπος≠ | instrumental | theoretical-method | fourier-analysis |
| Θεμελιώδης πηγή≠ | 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 ↗ | Godin, G. (1972). The Analysis of Tides. University of Toronto Press. link ↗ |
| Εναλλακτικές ονομασίες≠ | ADCP | Ekman Spiral, Wind-driven Transport | Tidal Constituents, Harmonic Tidal Prediction |
| Συναφείς | 3 | 3 | 3 |
| Σύνοψη≠ | 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. | Tidal harmonic analysis is a mathematical method that decomposes observed sea level or current time series into a sum of sinusoidal components with specific frequencies, amplitudes, and phases corresponding to astronomical tidal constituents. Developed by William Thomson (Lord Kelvin) in 1867, harmonic analysis enables prediction of tides and understanding of tidal dynamics in coastal regions. |
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