Lesson Objective To compare traditional hard engineering to more modern holistic approaches Hard and soft engineering There are 2 types of engineering that is used at the coast Hard Engineering ID: 384663
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Slide1
Coastal Management
Lesson Objective: To compare traditional hard engineering to more modern holistic approaches.Slide2
Hard and soft engineering
There are 2 types of engineering that is used at the coastHard Engineering
= this means using solid structures to resist forces of erosion
Soft Engineering (or Holistic approaches)=
this is an approach that considers all aspects if management including; environment, social and economic factors. It usually uses smaller structures often from natural resources. Slide3
Gabions-
£100 per metre
Sea Wall-
£2000 per metre
Groynes
-
£2000 per metre
Revetments-
£1000 per metre
Rip Rap-
£300 per metre
Off-Shore ReefSlide4
Beach replenishment
Cliff
Regrading
Managed retreat
Beach Nourishment-
£500-1000 per
square metreSlide5
Make a table
like the one below. Find out the advantages and disadvantages of each type of management.
Management Technique
Hard or soft Engineering?
Description
Advantages
Disadvantages