Coastal Processes and Landforms

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2. Rock Coast Features• Coral atolls and changing sea levelsGiven the right conditions coral are ablegrow fast enough to keep pace withmoderate rates of sea level rise.
2. Rock Coast Features• Coral atolls and changing sea levelsSchematic of atoll history through ice age sea level fluctuation.a) Sea level thousands of years before & up to present.b) Atoll form relative to sea level.
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Coastal Processes and Landforms
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Movements generated by tides, curre
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• Tidal range - difference betwee
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3) Waves and wave dynamics
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Swash Zone: The area of the nearsho
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AnimationLongshore currentpicks up
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Groynes: A breakwaterrunning seawar
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Storm surge: A rise above normal wa
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B. Types of Coasts1. fast-changing
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Thermo-erosion: Erosion caused by m
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Fast Ice: And extensive, unbroken s
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Consequences of ice shore interacti
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C. Coastal Weathering Processes
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• Abrasion: weathering byrock fra
Page 37 and 38: • Coastal Landslide: Alternate we
Page 39 and 40: • Chemical weathering:Salt weathe
Page 46 and 47: Sea level rise in the lower mainlan
Page 48 and 49: 1. Depositional Features2. Rock Coa
Page 50 and 51: 1. Depositional Featuresb) Beach be
Page 52 and 53: 1. Depositional Featuresc) Beach cu
Page 54 and 55: 1. Depositional Featuresd) (Sand) b
Page 56 and 57: 1. Depositional Featuresd) (Sand) b
Page 58 and 59: 1. Depositional Featurese) Sand spi
Page 60 and 61: 1. Depositional Featurese) Barrier
Page 62 and 63: 1. Depositional Featurese) Spits an
Page 64 and 65: 1. Depositional Featurese) Tombolo,
Page 66 and 67: 1. Depositional Featuresf) Estuarie
Page 68 and 69: 2. Rock Coast Features
Page 70 and 71: 2. Rock Coast Features
Page 72 and 73: The force of the waves hitting a cl
Page 74 and 75: Rock fragments which have becomedet
Page 76: Formation of a Sea arch and stack
Page 79 and 80: • Eventually the cliff becomesuns
Page 81 and 82: Erosive waves may blast theirway ve
Page 83 and 84: 3. Coral Coastal FeaturesCoral land
Page 86 and 87: 3. Coral Coastal Features• Atoll
Page 90 and 91: 2. Rock Coast Features• Coral ato
Page 92 and 93: Tuvalu, only 4 m above sea level an
Page 94 and 95: 3. Coral Coastal Features• Barrie
Page 96: Shallow lagoons formed close to the
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Coastal Processes and Landforms

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