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| Tidevands harmonisk analyse× | CTD-profilering× | |
|---|---|---|
| Fagområde | Oceanografi | Oceanografi |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1867 | 1977 |
| Ophavsperson≠ | William Thomson | Neil Brown |
| Type≠ | fourier-analysis | instrumental |
| Oprindelig kilde≠ | Godin, G. (1972). The Analysis of Tides. University of Toronto Press. link ↗ | UNESCO/IOC. (1991). Processing of oceanographic station data. UNESCO Technical Papers in Marine Science, 60. link ↗ |
| Aliasser | Tidal Constituents, Harmonic Tidal Prediction | CTD, Rosette Sampling |
| Relaterede | 3 | 3 |
| Resumé≠ | 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. | Conductivity-Temperature-Depth (CTD) profiling is the primary method for measuring vertical profiles of seawater properties in oceanography. Developed by Neil Brown in 1977, CTD instruments are equipped with sensors for conductivity, temperature, and pressure (depth), and are typically mounted on water-sampling rosettes. CTD profiling provides essential hydrographic data that characterizes water mass structure, stratification, and circulation patterns. |
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