Coasts

Definition?

The coast is where the land meets the sea.

Why are coasts important?

The majority of the world’s population and major cities are within 200 metres of sea level.

Coasts are important to us.

Coasts are important habitats.

Coasts – People and the environment

Coastal areas can be hazardous.

Coastal processes can affect people.

People can affect coasts.

Coastal areas are managed and changed by people.

Oil spills destroy coastal environments

Coasts are dynamic systemsconstantly changing.

WavesWaves

• Waves are the Waves are the agentagent of change. of change.

• Their energy erodes, transports and Their energy erodes, transports and deposits material along the coast.deposits material along the coast.

Tides

• Every 12 hours 24 minutes the Earth rotates relative to the Moon. The gravitational pull of the Moon causes the rise and fall of the sea level.

• High and Low Tides.

We will study…

Waves

Processes and landforms – erosion, transport and deposition

Management of the coast

Coral reefs (maybe)