Official Journal of the Asia Oceania Geosciences Society (AOGS)
Table 5 The horizontal wavenumber, wavelength, and group speed for a frequency of 4 cpd (period = 6 h; ω = 2.91 × 10−4 s−1) in a water depth of 500 m and an upper layer thickness of 200 m at 32.5° N, following the equations in Table 1
Wave type | Mode | k (m−1) | λH (km) | cg (m s−1) |
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Two-layer interfacial wave: ∞ over ∞ | – | 6.9 × 10−6 | 144 | 21 |
Two-layer interfacial wave: finite over ∞: barotropic | – |
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Two-layer interfacial wave: finite over ∞: baroclinic shallow water | – | 1.3 × 10−4 | 7.6 | 2.2 |
Continuous stratification without rotation | 1 | 1.2 × 10−4 | 8.5 | 2.5 |
2 | 2.3 × 10−4 | 4.3 | 1.2 | |
Continuous stratification with rotation | 1 | 1.1 × 10−4 | 8.8 | 2.4 |
2 | 2.2 × 10−4 | 4.4 | 1.2 | |
Barotropic Kelvin wave | – | 4.2 × 10−6 | 240 | 70 |
Baroclinic Kelvin wave | – | 1.3 × 10−4 | 7.5 | 2.2 |
Barotropic Poincaré wave | – | 4.0 × 10−6 | 250 | 67 |
Baroclinic Poincaré wave | 1 | 1.1 × 10−4 | 8.9 | 2.4 |
2 | 2.3 × 10−4 | 4.4 | 1.2 | |
Shallow water surface gravity wave | – | 4.2 × 10−6 | 240 | 70 |
Deep water surface gravity wave | – |
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