Sand Dunes Flashcards
1
Q
What forms sand dunes
A
Onshore wind depositing sand on the beach
Large beach for sand to dry at low tide
Onshore wind (from sea to land) to move sand
Obstacle like pebble or driftwood to start the dune
2
Q
Describe Aelian Transportation
A
Movement and weathering of sand particles behind and along the shoreline
3
Q
Describe 3 ways wind transports sand
A
Suspension (picked up by wind)
Saltation (grains of sands bounce along the beach)
Creep (sand grains collide and push each other along)
4
Q
What are the sides of a dune
A
Windward side (ocean facing) Slip face (opposite side)
5
Q
How is a sand dune stabilised
A
Eventually vegetation will grown on the dune.
