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2701071
Geography
Description
Coastal Zone
No tags specified
geography
gcse
Mind Map by
Ellen O'Rourke
, updated more than 1 year ago
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Created by
Ellen O'Rourke
almost 9 years ago
3
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Resource summary
Geography
Destructive Waves
Taking material away from a beach
Constructive Waves
Builds up a beach
Swash
Movement of a wave up a beach
Fetch
The distance that a wave has moved
Abrasion
Sea uses sand or pebbles to erode cliffs
Corrosion
Chemicals in seawater wear away cliffs
Hydraulic Action
Water replacing air in cliffs
Traction
Rolling of Large boulders along seabed
Saltation
Material being bounced along the seabed
Suspention
Small particles carried in water
Solution
Chemicals carried in water, invisible
Spit
A bank of shingle or sand washed alone the coastline by long shore drift
Tombolo
A bar of shingle or sand that joins an island to the mainland
Lagoon/Saltmarsh
An area behind a spit where there is slack water
Sand Dunes
Wind blown sands
Hard Engineering
Sea Walls, concrete groins, gabions, igneous rock armour etc
Soft Engineering
Sand replenishment, shingle, curved sea wall e.g. Marine Parade
Managed Retreat
"Do nothing" approach, allow sea to flood areas etc
Percelation
Water sinks into soil and rock
Evaporation
Water taken up into the atmosphere
Transpiration
Water taken up into atmosphere directly from surface of vegetation
Peak Discharge
River is carrying max water
Lag time
Number of hours between heaviest rain and peak discharge
Rising/Falling Limb
Period during river is rising/falling
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