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6 Cards in this Set
- Front
- Back
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Besides atolls, what are the other two coral formations and how would you define them? |
1. Fringing reefs: reconnect shore to water surface, living material is at the reef's edge 2. Barrier reefs: separated from land by lagoon, outer edges above water, living material in middle |
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What is longshore current and how does it impact sediment? |
When waves break at a slight angle and distribute some energy way from the direction at which they came... there's a narrow current where sediment can be moved downcoast |
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During the ____ on a depositional beach accumulates and during the ____ the sand erodes from the beach and is moved to an offshore location. |
Summer, winter |
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Define shore and coast. |
Shore: place where ocean meets land Coast: Larger zone affected by processes that occur at this boundary |
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In a coastal cell, how is sand permanently lost from the beach? |
It's driven by longshore currents into the heads of submarine canyons |
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What are the 5 factors that cause a change in sea level? |
1. amount of water in world ocean can vary 2. volume of ocean's container may vary 3. water occupies more/less volume as temperature varies 4. tectonic motions can change shape of coast 5. effects of water in motion can force it against the shore/draw it away |
