Coastal Features
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Coastal Features

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Coastal Features Coastal Features Presentation Transcript

  • Coastal Features
  • Estuaries, Little Narragansett Bay (Rhode Island connecticut) Estuary – the wide part of a river where it nears the sea; fresh and salt water mix
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  • barrier islands (Sapelo island) Barrier island - a long narrow sandy island (wider than a reef) running parallel to the shore
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  • headlands, (bass point, cornwall)
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  • arches and stacks (durdle door UK) Arch - is a natural formation where a rock arch forms, with a natural passageway through underneath
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  • Stack (old man of hoy Scotland) Formed after the arch, where the top of the arch collapses
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  • steep slope of earth materials, usually a rock face, that is nearly vertical and may be overhanging.
  • The zone above the water line at a shore of a body of water, marked by an accumulation of sand, stone, or gravel that has been deposited by the tide or waves.
  • The accumulation of windblown sand marks the beginning of one of nature's most interesting and beautiful phenomena. Sand dunes occur throughout the world, from coastal and lakeshore plains to arid desert regions.
  • A shallow body of salt water close to the sea but separated from it by a narrow strip of land, such as a barrier island, or by a coral reef
  • Spits consist of long sand stretches made with sand(constructive waves) or shingle(destructive waves) as it extends out into the sea.
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    • A salt marsh is a type of marsh that is a transitional intertidal
    • between land and salty or brackish water
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    • Tombolos A sandbar that connects an island to the mainland or to another island
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    • A wave-cut platform, is the narrow flat area often seen at the base
    • of a sea cliff or along a large lake shore caused by the action of
    • waves. Wave-cut platforms are often most obvious at low tide when they
    • become visible as huge areas of flat rock.
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