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chaptertwentyone

movements of the ocean

QuestionAnswer
surface current horizontal movement of ocean water caused by wind
coriolis effect the apparent curving of the path of a moving object due to the Earth's rotation
gyres a huge circle of moving ocean water
equatorial countercurrent a weaker, Eastward-flowing current, in between the westward flowing equatorial currents
west wind drift world's longest current (no continents to run into) that completely circles Antarctica and crosses all three major oceans
gulf stream the swift, deep, warm, Atlantic current that flows along the eastern coast of the United States
deep currents a streamlike movement of ocean water far below the surface
Antarctic Bottom Water dense, deep, cold current that flows on the bottom of the ocean slowly northward
North Altantic Deep Water cold, salty current that moves southward under the northward flowing Gulf Stream
turbidity current strong current caused by an underwater landslide
crest the highest point of a wave
trough the lowest point of a wave
wavelength the distance from wave crest to crest, or trough to trough
waveheight the distance from the wave crest to the trough
fetch the distance that wind blows across the area of the sea to generate waves
breakers when the circular wave motion touches bottom and causes the top of the wave to topple over
refraction the process where waves bend directly toward the coastline as they approach shallow water
rip current dangerous undertow formed when water from large breakers returns to the ocean through channels cut through underwater sandbars
longshore current current which flows parallel to the shore formed when waves approach the beach at an angle
tsunami giant seismic ocean waves caused by earthquakes of the ocean floor
Created by: sisteele
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