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The Coastal Zone
Beschreibung
GCSE and A Level AQA A GCSE Physical Paper 1 (7 The Coastal Zone) Mindmap am The Coastal Zone, erstellt von John Ditchburn am 10/05/2014.
Keine Merkmale angegeben
aqa a gcse physical paper 1
7 the coastal zone
gcse and a level
Mindmap von
John Ditchburn
, aktualisiert more than 1 year ago
Mehr
Weniger
Erstellt von
John Ditchburn
vor mehr als 10 Jahre
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Zusammenfassung der Ressource
The Coastal Zone
Physical Processes Shaping the Coast
Waves
Constructive
Swash>Backwash
Destructive
Backwash>Swash
Weathering
Breakdown of landscape.
Physical
Freeze-thaw
Mass Movement
Rockfall
Landslide
Mudflow
Rotational slip
Marine (sea) Processes
Coastal erosion
Hydraulic action
Corrasion
Abrasion
Solution
Attrition
Transportation
Traction
Saltation
Suspension
Solution
Longshore Drift
Direction of waves
Direction of backwash
Deposition
Distinctive Landforms at the Coast
Erosion
Headlands and Bays
Cliffs and wave-cut platforms
Caves, arches, stacks
Case Study
Coastal erosion along the Holderness Coast
Flamborough Head
Arches, Stacks, Stumps, Wave-cut platform
Deposition
Beaches
Spits
Bars
Case Study
Spurn Head Spit, Holderness
Weathering, Mass Movement and Cliff Collapse
Case Study
Barton-on-Sea
Cliffs = weak sands and clays
Water builds up in the cliffs
Rotational Slumping occurs
Effects
Managing the Coast
Shoreline management plans
Developed for each part of the coast
Decision whether to
Hold the line (defend Coast)
Do nothing
Managed retreat
Hard engineering
Sea wall
Groynes
Rock armour
Soft engineering
Beach nourishment
Dune regeneration
Marsh creation
Case Study
Coastal Management on the Holderness Coast
Bridlington
Resort
Hold the line
Sea wall
Groynes
Mappleton
Hold the line
Large rock groyne
Sediment built up
Coast road
Great Cowden Farm
Low value farmland
Do nothing
Easington Gas Terminal
Valuable
Hold the line
Rock armour
Revetments
Effects of Rising Sea Level
Causes
Global warming
3mm per year
Case studies
East Coast and Thames Estuary
Risk of London flooding
Thames Barrier
Essex - low-lying marshes
Maldives
Low-lying islands
Loss of fresh water
Loss of tourism
Habitats of Coastal Environments
Case study
Studland nature reserve
Unique sand dune ecosystem
Rare birds (nightjar), insects & wildflowers e.g. marsh gentian
Vulnerable
Large number visitors
Litter
Parking
Fire - cigarettes
Solutions
Marram grass (dunes)
Limit car park spaces
Board walks
Information boards
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