Coasts 4 Coastal Management
- Created by: Sana Amran
- Created on: 20-05-19 19:31
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Human Intervention in Coastal Landscapes
Coastal Management:
- Hold the line
- Advance the line
- Managed retreat
- Do nothing
Hard Engineering:
- Sea walls
- Rock armour
- Gabions
- Revetments
- Groynes
- Cliff fixing
- Offshore reefs
- Barrages
Sort Engineering:
- Beach nourishment
- Dune regeneration
- Managed retreat
- Land-use management
- Do nothing
Sustainable Approaches to Coastal Flood and Erosion Management
Shoreline Management Plans
- 22 SMPs in the UK
- Key features:
- Assess the risks associated with the coastal evolution
- Addresses the risk to people, the history and
- Be sustainable
- Promote long term policies for the 22nd century
- Economically viable
- Comply with national and international legislation on conservation and biodiversity
- They are ‘live working documents
Integrated Coastal Zone Management
- Guidelines are written in Agenda 21
- Involves stakeholders across different sectors to ensure broad support for the implementation of management strategies
- Pressure on the environment is leading to
- Biodiversity losses
- Habitat destruction
- Pollution
- Conflicts between stakeholders
- Overcrowding
- Coordinates policies including:
- Nature conservation
- Aquaculture
- Fishing
- Agriculture
- Industry
- Offshore wind energy
- Shipping
- Tourism
- Infrastructure development
- Development to adapt to and mitigate climate change
- ICZM cycle
- Planning
- Decision making
- Managing and monitoring of implementation
- Information collecting
Sunderbans, Bangladesh
Causes:
- Rising sea levels due to isostatic change from the deposition of sediment from the Ganges-Brahmaputra delta
- Sea levels are expected to rise 30-100cm by 2100
- Storm surges are to increase as there will be more cyclones with higher intensities
Effects:
- Bangladesh is too poor to mitigate the effects
- They have to maintain 4800km of sea defences and build 4000km more
- It would cost US$1billion
- However if the sea…
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