Quiz 1 Definitions

7.1:
Breakwaters: A barrier that breaks the force of a wave
Silting: When earth or sand is deposited as a sediment
Tidal Flushing: When water enters an area due to high tides
Sea Change: The rapid increase of beach populations
Urban Stormwater: The pollution of water due to urbanisation
Dredging: The removal of sand, mud etc from harbours, rivers etc
Introduced Plants: Plants new to an area

7.2
Ground Swell: A large swell in the ocean caused by a long wavelength hitting the beach
Plunging Waves: A type of wave which forms tubes for surfers to ride
Spilling Waves: Waves which break far from the shore used for body surfing
Surging Waves: Waves which role up the shore instead of breaking over it causing erosion
Wind Swell: A swell in the ocean caused by a short wavelength hitting the beach.
Wave Height: The height of a wave
Wavelength: The distance between two waves
Fetch: The distance the wind travels to form a wave
Surf and Swash Zone: The area where waves a broken causing erosion and decomposition