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chapter 2 n

QuestionAnswer
salinity The total amount of dissolved salt in water samples.
sonar A system that uses reflected sound waves to locate and determine the distance to objects under the water.
seamount A steep-sided volcanic mountain rising from the deep-ocean floor.
trench A deep, steep-sided canyon in the ocean floor.
continental slope A steep incline of the ocean floor leading down from that extends outward from the edge of a continent.
continental shelf A gently sloping shallow area of the ocean that extends outward from the edge of a continent.
abyssal plain A smooth nearly flat region of the deep ocean floor.
mid-ocean ridge An undersea mountain chain where new ocean floor is produced, a divergent plate boundary under the sea.
wave The movement of energy through a body of water.
wavelength The distance between two corresponding parts of a wave, such as the distance between two crests.
frequency The number of complete waves that pass a given point in a certain amount of time.
wave height The vertical distance from the crest of a wave to the through
tsunami A giant wave unusually caused by an earthquake beneath the ocean floor.
longshore drift The movement of water and sediment down a beach caused by waves coming in to a shore at an angle.
rip current A strong narrow current that flows briefly from the shore back towards the ocean through a narrow opening.
groin A wall made of rocks or concrete that is built outward from a beach to reduce erosion.
current A large stream of moving water that flows through the oceans.
Coriolis effect The effect of Earth's rotation on the direction on winds and currents.
climate The average annual conditions of temperature, precipitation, winds, and clouds in an area.
El Nino An abnormal climate event that occurs every two to seven years in the Pacific Ocean, causing changes in wind currents, and weather patterns for one to two years.
la Nina A climate event in the eastern Pacific Ocean in which surface waters are colder than normal.
Created by: user-1975219
 

 



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