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

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

CORAL REEFS

CORAL REEF

Coral Reef Life

Great Barrier Coral Reef

Coral Reef Dynamite Fishing

Damaged Coral Reef

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

Salt Marsh

Salt Marsh Forest

Salt Marsh

Salt Marsh Inhabitants

More Marsh Inhabitants

More Marsh

Coasts with Cliffs Coasts with Cliffs

More Cliffs

New Zealand

Atoll

Coral Reef Atoll

Stormy Sea

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.

Barrier Islands

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.

Beach with Dunes

Dune Vegetation

Hook

Hook

Berm

Spit

The Nile Delta

Amazon River Delta

Bulkhead

Bulkhead

Jetty

Rip Currents

Volcanic Coast

Black Sand Beach (Volcanic)