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

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

Transcript of COASTLINES SHORELINES How coasts are formed and the features found on coasts the features found on...

COASTLINES COASTLINES SHORELINESSHORELINES

How coasts are formed andHow coasts are formed and

the features found on coaststhe features found on coasts

TermsTerms Surf Zone = Area where the waves breakSurf Zone = Area where the waves break

Berm = An accumulation of material from Berm = An accumulation of material from waves near the shore which looks like small waves near the shore which looks like small dunesdunes

Longshore current = Flow of water that forms Longshore current = Flow of water that forms parallel to the shore as a result of surf wavesparallel to the shore as a result of surf waves

CORAL REEFSCORAL REEFS

CORAL REEFCORAL REEF

Coral Reef LifeCoral Reef Life

Great Barrier Coral ReefGreat Barrier Coral Reef

Coral Reef Dynamite Coral Reef Dynamite FishingFishing

Damaged Coral ReefDamaged Coral Reef

TermsTerms Bulkhead = Manmade protection against Bulkhead = Manmade protection against

waves for a building or lighthousewaves for a building or lighthouse

Jetty = A manmade barrier to protect the Jetty = A manmade barrier to protect the shoreline from wave action of passing boatsshoreline from wave action of passing boats

Delta = A triangular area with sediment Delta = A triangular area with sediment deposits from a river flowing to the seadeposits from a river flowing to the sea

Salt MarshSalt Marsh

Salt Marsh ForestSalt Marsh Forest

Salt MarshSalt Marsh

Salt Marsh InhabitantsSalt Marsh Inhabitants

More Marsh More Marsh InhabitantsInhabitants

More MarshMore Marsh

Coasts with CliffsCoasts with Cliffs

More CliffsMore Cliffs

New ZealandNew Zealand

AtollAtoll

New ZealandNew Zealand

Coral Reef AtollCoral Reef Atoll

Coral Reef AtollCoral Reef Atoll

Coral Reef AtollCoral Reef Atoll

Coral Reef AtollCoral Reef Atoll

Stormy Sea Stormy Sea

TermsTerms Sandbar = A submerged sand dune Sandbar = A submerged sand dune

sometimes exposed at low tide.sometimes exposed at low tide.

Barrier Island = An island offshore that Barrier Island = An island offshore that protects the main land during storms.protects the main land during storms.

Rip Current = A current which is formed Rip Current = A current which is formed when a depression is created from the shore when a depression is created from the shore to the sea. Water is forced from the shore to to the sea. Water is forced from the shore to the sea making this dangerousthe sea making this dangerous..

Barrier IslandsBarrier Islands

TermsTerms Spit = A piece of shoreline moved by a Spit = A piece of shoreline moved by a

storm into the shape of a peninsula.storm into the shape of a peninsula.

Hook = A piece of shoreline moved by a Hook = A piece of shoreline moved by a storm into the shape of a curved peninsulastorm into the shape of a curved peninsula

Dunes = A naturally formed accumulation Dunes = A naturally formed accumulation of sand in hill shapes which change with of sand in hill shapes which change with wind movement.wind movement.

Beach with DunesBeach with Dunes

Dune VegetationDune Vegetation

HookHook

HookHook

BermBerm

SpitSpit

The Nile DeltaThe Nile Delta

Amazon River DeltaAmazon River Delta

BulkheadBulkhead

BulkheadBulkhead

JettyJetty

Rip CurrentsRip Currents

Rip CurrentsRip Currents

Rip CurrentsRip Currents

Volcanic CoastVolcanic Coast

Volcanic CoastVolcanic Coast

Volcanic CoastVolcanic Coast

Volcanic CoastVolcanic Coast

Black Sand Beach Black Sand Beach (Volcanic)(Volcanic)