Coastal Processes and Landforms

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1) Tides• Bulge in surface of ocean,caused by gravitationalpull of moon and sun• Spring tides – highesttides, strong and quick.Occur when sun, moon,and Earth line up• Neap tides – lowest tides.Sun and moon at rightangles with respect toEarth
• Tidal range – difference between high and low tide
Page 1 and 2: Coastal Processes and Landforms
Page 3: Movements generated by tides, curre
Page 8 and 9: 3) Waves and wave dynamics
Page 11 and 12: Swash Zone: The area of the nearsho
Page 13: AnimationLongshore currentpicks up
Page 16 and 17: Groynes: A breakwaterrunning seawar
Page 18: Storm surge: A rise above normal wa
Page 22 and 23: B. Types of Coasts1. fast-changing
Page 25: Thermo-erosion: Erosion caused by m
Page 28 and 29: Fast Ice: And extensive, unbroken s
Page 30 and 31: Consequences of ice shore interacti
Page 32 and 33: C. Coastal Weathering Processes
Page 34: • 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
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1. Depositional Featuresd) (Sand) b
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1. Depositional Featurese) Sand spi
Page 60 and 61:
1. Depositional Featurese) Barrier
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1. Depositional Featurese) Spits an
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1. Depositional Featurese) Tombolo,
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1. Depositional Featuresf) Estuarie
Page 68 and 69:
2. Rock Coast Features
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2. Rock Coast Features
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The force of the waves hitting a cl
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Rock fragments which have becomedet
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Formation of a Sea arch and stack
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• Eventually the cliff becomesuns
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Erosive waves may blast theirway ve
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3. Coral Coastal FeaturesCoral land
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3. Coral Coastal Features• Atoll
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2. Rock Coast Features• Coral ato
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2. Rock Coast Features• Coral ato
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Tuvalu, only 4 m above sea level an
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3. Coral Coastal Features• Barrie
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Shallow lagoons formed close to the
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Coastal Processes and Landforms

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