Geog Coastal Defences

Frage	Antworten
What is coastal management?	The process of managing the coast through various techniques
What are coastal defences	Man made or natural defences designed to protect the coastline
What is hard engineering?	Man made sea defences
What is soft engineering?	More natural sea defences designed to not be noticed
Name 3 examples of hard engineering	Sea wall Groynes Rip Rap
Name 3 examples of soft engineering	Beach nourishment Cliff regrading Offshore Breakwater
What 3 sea defences are used at hornsea	Sea Wall Groynes Rip Rap
What are the 4 coastal management strategies?	Advance the line Hold the line Managed retreat Do nothing
Describe the process of managed retreat	Existing sea defences are breached so a salt marsh can be formed behind the sea wall and salt marshes can adjust to rising sea levels
Describe the process of Hold the line	Existing sea defences are kept and reinforced to hold the current line e.g Bridlington
Describe the process of do nothing	Current sea defences are abandoned and nature is left to take its course e.g Spurn Head
Describe the process of advance the line	Sea defenses are pushed forward using sea walls and groynes
What is in the following image? Image: Images (binary/octet-stream)	Offshore Breakwater
What is in the following image? Image: Images (1) (binary/octet-stream)	Groynes
What effect is caused after the last groyne?	Terminal groyne syndrome where the is a lack of sand so erosion rates increase

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	Erstellt von Bailey Murphy vor mehr als 6 Jahre