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19 Cards in this Set
- Front
- Back
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salinity
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the total amount of dissolved salts in a sample of water
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sonar
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a system that uses reflected sound sound waves to locate or to determine the distance between to objects under water
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seamount
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a steep-side mountain rising from the deep ocean
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trench
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a long, steep, deep valley on the ocean floor
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continental shelf
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a gently sloping, shallow area that extends outward from each continent
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continental slope
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the seep edge of the continental shelf
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abyssal plain
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a smooth, nearly flat region of the deep ocean floor
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mid-ocean ridge
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long chains of mountains on the ocean floors
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Wave
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1. a disturbance that transfers energy from place to place
2. the movement of energy through a body of water. |
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longshore drift
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the movement of water and sediment down a beach caused by waves coming into shore at an angle
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rip current
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a strong narrow current that flows briefly from the shore back towards the ocean through a narrow opening
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groin
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a wall made of rocks or concentrate that is built outward from a beach to reduce erosion
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Intertidal zone
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an area between the highest high-tide line on land and the point on the continental shelf exposed by the lowest low-tide line
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neurotic zone
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the area of the ocean that extends from the low-tide line out to the edge of the continental shelf
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open-ocean zone
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the deepest darkest area of the ocean beyond the continental shelf
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plankton
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tiny algae and animals that float in the water and are carried by waves and currents
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nekton
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free-swimming animals that can move throughout the water column
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benthos
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organisms that live on the bottom of the ocean or another body of water
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food web
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the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem
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