Level 3 Geography Flashcards
revetment
large rocks to stop foredune eroding
renourishment
dropping of sand to replenish sand from beach.
foredune
hill of sand closest to the water/sea.
wind
the movement of air from high to low air pressure.
waves
movement of air within water that causes rises and fall in water level.
Tides
The movement of water up and down the beach due to the pull of the moon.
Fetch
The distance wind blows across water without touching land.
current
A river of sand in the sea
geology
The type of rocks and soil in an area.
constructive waves
Summer waves that build up the beach.
destructive waves
Big winter waves that wash away sand.
coastal erosion
taking away sand and soil from the beach.
Coastal deposition
Building up/dropping of sand on the beach.
Long shore drift/Littoral drift
movement along the beach in a zig zag pattern in the surf zone.
Groyne
A wall built at right angles to the beach to capture long shore drift.