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a ring-shaped coral reef or a string of closely spaced small coral islands, enclosing or nearly enclosing a shallow lagoon |
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water thrown backward by the force of motion |
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A broadened barrier beach, habitable in places, that provides a measure of protection for the mainland, as during hurricanes and tidal waves. |
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a reef of coral running roughly parallel to the shore and separated from it by a wide, deep lagoon. |
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the part of the shore of an ocean, sea, large river, lake, etc., washed by the tide or waves. |
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A sudden escape of a confined gas or liquid |
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A rocklike deposit consisting of the calcareous skeletons secreted by various anthozoans. Coral deposits often accumulate to form reefs or islands in warm seas |
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the erosion of sand, soil, etc., by the action of the wind. |
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is a desert surface that is covered with closely packed, interlocking angular or rounded rock fragments of pebble and cobble size. |
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a storm of strong winds and dust-filled air over an extensive area during a period of drought over normally arable land. |
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an area where ocean waves are being generated by the wind. |
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A long, narrow, deep inlet of the sea between steep slopes. |
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a coral reef close to and along the land. |
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any small, pondlike body of water, esp. one connected with a larger body of water. |
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a loamy deposit formed by wind, usually yellowish and calcareous, common in the Mississippi Valley and in Europe and Asia. |
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currents of water flowing parallel to the shore. Longshore currents are formed by waves striking the shore at an oblique angle. |
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the basic unit of geologic time, during which a standard rock system is formed: comprising two or more epochs and included with other periods in an era. |
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the change in direction of a propagating wave (light or sound) when passing from one medium to another |
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A strong, narrow surface current that flows rapidly away from the shore, returning the water carried landward by waves. Also called rip tide, tiderip. |
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Sandbar Wave Height [image] |
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A ridge of sand deposited by waves as they slow down near shore by the horizontal distance between two wave crests. |
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is a significant vertical, or near vertical, rock exposure. Sea cliffs are formed as erosion landforms due to the processes of erosion and weathering. |
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the surging or dashing, sometimes violent, of water, waves, etc. |
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an unusually large sea wave produced by a seaquake or undersea volcanic eruption. |
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a pebble or cobble that has been faceted, grooved, and polished by the erosive action of wind-driven sand. |
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the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation. |
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