Table 2 The horizontal wavenumber, wavelength, and group speed for the M₂ constituent (period = 12.42 h; ω = 1.405 × 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

Two-layer interfacial wave: ∞ over ∞

–

1.6 × 10⁻⁶

618

43

Two-layer interfacial wave: finite over ∞: barotropic

–

2.0 × 10⁻⁹

490,000

34,900

Two-layer interfacial wave: finite over ∞: baroclinic shallow water

–

6.4 × 10⁻⁵

16

2.2

Continuous stratification without rotation

1

5.7 × 10⁻⁵

18

2.5

2

1.1 × 10⁻⁴

9

1.2

Continuous stratification with rotation

1

4.7 × 10⁻⁵

21

2.1

2

9.4 × 10⁻⁵

11

1.0

Barotropic Kelvin wave

–

2.0 × 10⁻⁶

498

70

Baroclinic Kelvin wave

–

6.3 × 10⁻⁵

16

2.2

Barotropic Poincaré wave

–

1.7 × 10⁻⁶

600

58

Baroclinic Poincaré wave

1

4.7 × 10⁻⁵

21

2.1

2

9.4 × 10⁻⁵

11

1.0

Shallow water surface gravity wave

–

2.0 × 10⁻⁶

498

70

Deep water surface gravity wave

–

2.1 × 10⁻⁹

496,000

34,900