Waves
KNOW YOUR WAVES
| WAVE |
PERIOD |
WAVELENGTH |
WAVE TYPE |
CAUSE |
| Capillary | < 0.1 sec |
< 2 cm |
deep to shallow |
local winds |
| Chop | 1-10 sec |
1-10 m |
deep to shallow |
local winds |
| Swell | 10-30 sec |
up to hundreds of m |
deep or shallow |
distant storm |
| Seiche | 10 min-10 hr |
up to hundreds of km |
shallow or intermediate |
wind, tsunami, tidal resonance |
| Tsunami | 10-60 min |
up to hundreds of km |
shallow or intermediate |
submarine disturbance i.e. earthquakes
or volcanic eruptions under (or near) the ocean |
| Tide | 12.4-24.8 hr |
thousands of km |
shallow |
gravitational attraction of sun
and moon |
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