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Published byMaurice Pitts Modified over 9 years ago
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Coasts Shore
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Classifying Coasts Primary Coast Secondary Coast
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Primary Coast Land Erosion Coasts –Fjords Coasts Built by Land Processes –Deltas River dominated Tide dominated Wave dominated –Drumlins and Moraines Volcanic Coasts Coasts Shaped by Earth Movements
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Secondary Coasts Dissolution High Energy Coasts Low Energy Coasts
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Features of Secondary Coasts Sea Cliffs Sea Caves Wave Cut Platform
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Shore straightening Accumulation of beaches –Long-shore Drift –Long-shore current
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Beach Composition and Slope of Beaches –Swash –backwash Beach Shape –Berm –Berm crest –Backshore –Foreshore –Beach scrap –Longshore trough –Longshore bars
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Minor Beach Features Rip Currents Coastal cells
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Large Scale Features of Secondary Coasts Sand Spits Bay mouth Bar Barrier Islands Lagoon Sea islands Tombolo
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Coasts Formed By Biological Activity Coral Reefs –Fringing Reefs –Barrier Reefs –Atolls
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Mangroves Coasts Estuaries
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Classification Of Estuaries Drowned river mouths Fjords Bar-Built Tectonic
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Characteristics of Estuaries Salt wedge estuaries Well-mixed estuaries Partially mixed estuaries Fjords estuaries Reverse estuaries
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The Value of Estuaries Lagoons and wetlands Wetland Slough Salt marsh swamp
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Characteristics of US Coasts The Pacific Coast The Atlantic Coast The Gulf Coast
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Human Interference in Coastal Processes Breakwater Groins Sea wall Importing sand
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