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lessons 1-3

TermDefinition
salinity the total amount of dissolved salts in a water sample
sonar a system that uses reflected sound waves to detect and determine the distance between objectts underwater
seamount a steep-sided volcanic mountain rising from the deep ocean floor
trench a deep,steep-sided canyon ocean floor
continental slope a steep incline of the ocean floor leading down from the edge of the continental shelf
continental shelf a gently, sloping shallow area of the ocean floor that extends outward from the edge of a continent
abbysal plain a smooth,nearly flat reigon of the deep ocean floor
mid ocean ridge a undersea mountain chain where new ocean floor is produced;a divergent 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
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 trough
tsunami a giant wave usually caused by an earthquake beneath the ocean floor
longshore drift the movement of water and sendiment down a beach caused by waves coming into 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 of rocks or concrete that is built outward from a beach t prevent erosion
current a large stream of moving water that flows through the ocean
Coriolis effect the effect of earths rotation on the direction of the winds currents
climate the average annual conditions of tempature,precipitation ,winds, and clouds in the area
El nino an adnormal,climate event that occurs every two t seven years in the Pacific ocean,causing challenges in winds,currents,and weather patterns for one to two years
la nina a climate event inn the eastern Pacific ocean in which the surface waters are colder than normal
Created by: user-1975217
 

 



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