Guinea Case Study

Question 1

West Africa

Answer 1

700m of erosion in 40 years
10cm of SLR since 1950, 1m by 2100
Urbanisation is high along the coast (fishing, tourism, commerce)
31% of west Africas population lives in coastal areas
500,000 people are impacted by coastal floods in West Africa every year
$11billion expected annual damage costs from coastal flooding by the 2050s
$1.5 billion is the estimated cost of coastal protection

Question 2

Rising sea level

Answer 2

10cm since 1950
1m by 2100
$1.7 billion loss for airlines

Question 3

Swell waves

Answer 3

Stormy monsoon months (Aug-oct)
Wage heights 3m
$3.8m of damage to Kenya unemployment for workers

Question 4

Diamond mining

Answer 4

Gravel extracted from rivers, diamonds retrieved but the gravel isn’t always returned

Question 5

Sand extraction

Answer 5

Removed from river
Used for housing
Sediment not transported to coastline

Question 6

Expensive coast management

Answer 6

No beach nourishment
Sea walls very expensive ($90m/10km)