Vocabulary Words Quiz 1:

Quiz #1
7.1
breakwaters- Breakwaters are structures constructed on coasts as part of coastal defence or to protect an anchorage from the effects of weather and longshore drift.

faecal coliform- Are a water based Bacterium used to determine the qaulity of water
silting- earthy matter, fine sand, or the like carried by moving orrunning water and deposited as a sediment.

tidal flushing- Areas of which tidal water is flushed in 

sea change- a transformation brought about by the sea

urban stormwater- Urban stormwater is rain water runoff that is collected in the gutters and pipes located on tops of houses in rural areas. 

dredging- Dredging is the removal of material from the bottom of a river by means of a scoop, suction pipe, series of buckets etc.  

introduced plants- are non-native plants that have been introduced often resulting in it taking over the native vegetation
 
ground swell - A ground swell forms when waves have travelled across a greater distance of ocean before hitting the coast. A ground swell has a longer wavelength and the waves hit the coast less frequently

plunging waves -  Break on beaches where the slope is moderately steep. Board riders like these waves because of the tubes they form.

spilling waves -  Break far from the shore on beaches with gentle slopes. The surf (white foam) gently rolls over the front so these waves are good for body surfing

surging waves -  Occur on very steep beaches. The waves roll up the steep face rather than breaking over it. They cause erosion.

wind swell - If waves travel only a short distance before they hit land they form a wind swell. A wind swell is marked by a short wavelength and high frequency of waves hitting the coast.

wave height - Is the height of the wave, from the trough to its crest.

wavelength -  Is the distance between two waves, it becomes shorter when waves enter shallow water

fetch -  The distance the wind travels over the ocean to form a wave

surf and swash zone - A broken wave forms the surf and swash zone. This is the active part of the coast in terms of erosion and deposition of sand.