Coastal Depositional Landforms

____________ happens when wave energy is low.

• Erosion

• Transportation

• Deposition

Deposition is...

• ... the wearing away of the land.

• ... the movement of sediment from one location to another.

• ... the accumulation (build up) of sediment.

The diagram shows the process of longshore drift. Why do the wave swashes approach the beach at an angle?

• Gravity

• Wind direction

• The moon

The diagram shows the process of longshore drift. Why does backwash run down the beach at an 90°?

• Gravity

• Wind direction

• The moon

This is an example of a (a)   .

This example is (a)   Point in North East England.

Spits, bars and tombolos are formed when the coastline changes _____________, but longshore drift continues.

• direction

• height

• rock type

A good example of a bar is (a)   Bar near Porthleven in Cornwall.

A tombolo, such as at St Ninian's in the Shetland Isles, is a beach the joins the mainland to an (a)   .

What type of habitat forms behind a spit?

• Pond

• Lagoon

• Salt Marsh