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| 津波浅水モデル× | 調和解析 (Tidal Harmonic Analysis)× | |
|---|---|---|
| 分野 | 海洋学 | 海洋学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1995 | 1867 |
| 提唱者≠ | Kenji Satake | William Thomson |
| 種類≠ | numerical-model | fourier-analysis |
| 原典≠ | Satake, K. (1995). Linear and nonlinear computations of the 1992 Nicaragua earthquake tsunami. Pure and Applied Geophysics, 144(3-4), 455-470. DOI ↗ | Godin, G. (1972). The Analysis of Tides. University of Toronto Press. link ↗ |
| 別名 | Shallow Water Tsunami Propagation, SRTM | Tidal Constituents, Harmonic Tidal Prediction |
| 関連 | 3 | 3 |
| 概要≠ | The tsunami shallow water model is a numerical method based on shallow water equations that simulates tsunami wave propagation from earthquake source regions to coastal areas. Developed by Kenji Satake and colleagues in the 1990s, this approach provides rapid estimates of tsunami arrival times, wave amplitudes, and inundation extents for operational early warning systems. The model forms the computational backbone of tsunami warning centers worldwide. | 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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