The Beach and Nearshore Environment. Sources of Sand. Sand, Gravel, Pebble, Cobble Quartz Volcanic Carbonate. Nearshore Features. Depositional Coasts Dunes Beach Face Berm Beach sediment Erosional Coasts Headlands Sea Cliffs, Sea Stacks, Sea Arches and Sea Caves
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Sand, Gravel, Pebble, Cobble
Usually 2 sand bars innermost 30-50m from shoreline
Paignton Beach, 2001. A sandy beach with ridge and runnel morphology on the low gradient lower foreshore occupies the broad bay between Roundham Head and Hollicombe. (http://www.scopac.org.uk)
The tidal range on this beach is about 10 m, and it has very small waves because it is protected on one side by a spit and the other by a grove of mangroves that extends into the water. A view of the shore-ward end of the spit also shows the slope of the beach face where waves break at high tide. (Dawn [email protected])
Note series of bars and swales that parallel the beach front, as seen during low tide
Two sets of ripples cross to form an interference pattern. Ripple sets represent swash and backwash of waves on the beach front.
Each storm berm has a steeper lower slope and flatter upper slope. There are at least five storm deposits preserved here. (http://www.maine.gov/doc/nrimc/mgs/explore/marine/facts/sep00-5.htm)