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chapter 2 1-3

QuestionAnswer
salinity The total amount of dissolved salts In a water sample.
sonar A system that uses reflective 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 shelf A gently sloping shallow area of the ocean floor 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 Cain where new ocean floor is produced a diverged plate boundary under the ocean.
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.
freqency The number of complete waves pass a given point in a certain amount of time.
wave height The vertical distance from the crest of a wave to the trough.
tsunami A giant wall usually caused by an earthquake beneath the ocean floor.
longshore drift The movement of water and sediment down a beach caused by a waves coming to shore at an angle.
rip current A strong narrow current that flows briefly from the shore back toward the ocean through a narrow opening.
groin A wall made up of rock or concrete that is built outward from a beach to reduce erosian.
current A large stream of of moving water that flows through the ocean.
coriolis effect The effect of earth's rotating on the direction of winds and currents.
climate The average annual conditions of temperature precipitation winds and clouds in n area.
El nino An abnormal climate event that occurs every two to seven years in the Pacific ocean causing changes in the winds current and weather patterns for ons to two years.
La Nina A climate event in the eastern Pacific ocean in which surface waters colder than normal.
conditional slope A steep incline of the ocean floor leading down from the edge of the continental shelf.
Created by: user-1975214
 

 



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