Tuesday, October 25, 2011

Vocabulary Words Quiz 2:

aeolian - is another name for wind transportation

spinifex - Is a native low lying coastal plant that helps the formation of sand dunes


constructive waves - Soft waves that do not erode the coastline but can deposit small sediment and materials upon the shores or landmasses.


corrasion - When waves crush over rock shelves, the action moves rocks and other sediments in what can be reffered to as an abrasive action. 


corrosion - When waves break they wet the rocks. As the rock dries the salt in the sea water crystallises and acts on the minerals in the rock to erode material.


refraction- Occurs because of the headlands or ocean topography and is when the wave energy is concentrated more so around some areas and less in others. 


deposition- is the geological process where materials and sediments are deposited on landforms and landmasses.

destructive waves- Beaches are subject to erosion from destructive waves caused by storms that are capable of removing large quantities of sand.



erosion- is the process by which materials are removed form the earth's surface and deposited somewhere else.


hydraulic action- is when waves pound against rock, forcing their way into cracks. It;s the pressure built up that cause erosion. Responsible for blow holes.


longshore drift- Is the process by which a wave hits thee coast at an angle, then dragged back by gravity and hit by another wave. It is this action that causes sand deposits to travel along the beach in a zig-zag formation.

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