Ocean Atmosphere Ch.11

Ocean Atmosphere Ch.11 - OceanAtmosphereCh.11 19:10

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Ocean Atmosphere Ch.11… 19:10 High Tide - when sea level is at its maximum height during the tidal period Low   Tide - when sea level is at its minimum height during the tidal period The heights of high tides and low tides are rarely constant; they may change with  each new tide The heights of tides are measured relative to a fixed location on the shore, called  tidal datum Low tide exposes a number of otherwise submerged marine organisms Daily Patterns: Tides vary depending on their location in the world ocean. Tides that occur  once daily are called  diurnal tides . Twice daily are called  semidiurnal tides The  tidal period , the time in between successive high (or low) tides, is 24  hours and 50 minutes for diurnal tides; semi-diurnal tides occur ever 12 hours  and 25 minutes In some locations with semidiurnal tides, the tide heights of the twice daily 
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Ocean Atmosphere Ch.11 - OceanAtmosphereCh.11 19:10

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