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a movement of ocean water that follows a regular pattern
ocean current
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a horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface
surface current
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the apparent curving of the path of a moving object from an otherwise straight path due to the Earth's rotation
Coriolis Effect
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a streamlike movement of ocean water far below the surface
deep current
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the movement of deep, cold, and nutrient-rich water to the surface
upwelling
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a change in the water temperature in the pacific Ocean that produces a warm current
El Nino
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a change in the eastern Pacific Ocean in which the surface water temperature becomes unusually cool
La Nina
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a subsurface current that is near shore and that pulls objects out to sea
undertow
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a water current that travels near and parallel to the shoreline
longshore current
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the bubbles in the crest of a breaking wave
whitecap
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one of a group of long ocean waves that have steadily traveled a great distance from their point of generation
swell
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a giant ocean wave that forms after a volcanic eruption, submarine earthquake, or landside
tsunami
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a local rise in sea level near the shore that is caused by strong winds from a storm, such as those from a hurricane
storm surge
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daily changes in the level of oceans. The periodic rise and fall of the water level in the oceans.
tide
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the difference in levels of ocean water at high tide and low tide
tidal range
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a tide of increased range that occurs two times a month, at the new and full moons
spring tide
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a tide of minimum range that occurs during the first and third quarters of the moon
neap tide
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