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Geography C2 Unit 5(How Do Coastal Processes Change over Space) (Marine…
Geography C2 Unit 5(How Do Coastal Processes Change over Space)
Atmospheric Factors
Strength of Wind
Higher Wind Velocity--->Stronger Wave Energy/Overcoming Friction Better
Higher Rate of Erosion/Transportation
Duration of Wind
Longer the Wind Blowing--->More Time Gathering Energy
Higher Rate of Erosion
Marine Factors
Depth of Sea
Deeper--->Less Friction/Dissipating Less Energy
Greater Rate of Erosion
Gradient of Offshore Slope
Steeper Slope--->Smaller Crashing Area
Concentrated Energy
More Powerful Energy
The Foot of a Sea Cliff
Little Loss of Energy
Type of Wave
Constructive Wave
Deposition
Destructive Wave
Erosion
Tidal Range
Larger Tidal Range
Stronger Tidal Current/Removal of Sediment Loads
Rate of Erosion Increased
Fetch
Longer Fetch--->More Time Gathering Energy
Efficient Erosion
Longshore Current
Stronger Longshore Current
Faster Rate of Transportation
Higher Rate of Erosion
Coastal Environment
Exposed Coastal Location
Erosion
Around Headlands
Sheltered Area/Bay
Deposition
Coastal Landscape Features
Reducing Rates of Erosion/Transportation
Mangroves
Coral Reefs
Geological Factors
Type/Structure of Rocks
Rocks with Many Joints/Cracks&Composed of Soluble Materials
Erosion
Rocks of Different Resistence Overlying One Another
Parallel Sections Perpendicular to the Coast