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COASTLINES SHORELINES How coasts are formed and the features found on coasts the features found on coasts.

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Presentation on theme: "COASTLINES SHORELINES How coasts are formed and the features found on coasts the features found on coasts."— Presentation transcript:

1 COASTLINES SHORELINES How coasts are formed and the features found on coasts the features found on coasts

2 Terms  Surf Zone = Area where the waves break  Berm = An accumulation of material from waves near the shore which looks like small dunes  Longshore current = Flow of water that forms parallel to the shore as a result of surf waves

3 CORAL REEFS

4 CORAL REEF

5 Coral Reef Life

6 Great Barrier Coral Reef

7 Coral Reef Dynamite Fishing

8

9 Damaged Coral Reef

10 Terms  Bulkhead = Manmade protection against waves for a building or lighthouse  Jetty = A manmade barrier to protect the shoreline from wave action of passing boats  Delta = A triangular area with sediment deposits from a river flowing to the sea

11 Salt Marsh

12 Salt Marsh Forest

13 Salt Marsh

14 Salt Marsh Inhabitants

15 More Marsh Inhabitants

16 More Marsh

17 Coasts with Cliffs Coasts with Cliffs

18 More Cliffs

19 New Zealand

20 Atoll

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22 Coral Reef Atoll

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24

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26 Stormy Sea

27 Terms  Sandbar = A submerged sand dune sometimes exposed at low tide.  Barrier Island = An island offshore that protects the main land during storms.  Rip Current = A current which is formed when a depression is created from the shore to the sea. Water is forced from the shore to the sea making this dangerous.

28 Barrier Islands

29 Terms  Spit = A piece of shoreline moved by a storm into the shape of a peninsula.  Hook = A piece of shoreline moved by a storm into the shape of a curved peninsula  Dunes = A naturally formed accumulation of sand in hill shapes which change with wind movement.

30 Beach with Dunes

31 Dune Vegetation

32 Hook

33 Hook

34 Berm

35 Spit

36 The Nile Delta

37 Amazon River Delta

38 Bulkhead

39 Bulkhead

40 Jetty

41 Rip Currents

42

43

44 Volcanic Coast

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48 Black Sand Beach (Volcanic)


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