Reasons For Coastal Defence Flashcards
How many people live within 200k of the sea and give percentage
3.2 billion, 44%
What continent is the only continent in the world where the majority of people do not live near a coastline
Africa
How many people will live in coastal areas by 2025
6 billion people
4 reasons people want to live near a coastline
- More jobs 2. Natural facilities 3. It is nice 4. Good climate
2 disadvantages of development along a coastline area
- Damage to coastal habitats 2. Rising sea levels
2 advantages of development in a coastal area
- More tourist = more money 2. Ports will be constructed which will help the city grow
2 reasons tourists might want to visit the coast
- beaches/ scenery
- the tourists may not live near the coast and want to see it ( day out )
Disadvantages of lots of tourists in an area
- congestion
- pollution
- noise pollution
How much will sea levels rise due to climate change by the end of the century
48 - 90 cm
Explain the process of thermal expansion
As sea water becomes warmer, the molecules of H20 move further apart, causing the volume of water to increase
Impact of 1m rise in sea level
- Bangladesh rice fields will be under water (some of them )
- millions of people will need to move
- lots of low laying islands will be underwater