How may islands is Kiribati
33 widely spaced islands
How high above sea level is Kiribati Kiribati
Mostly only 1 metre or less above sea level
How much is the sea level rising by annually in Kiribati
1.2 m per year in some places
What has Kiribati done to prepare for losing its land
Bought land in Fiji for residents to move to
Wind speeds in cyclone sidr
223km/h
How high was the storm surge of storm Sidr?
6m - causing severe flooding
What were the social/economic impacts of cyclone sidr
685,000 hectares of crops damaged = no food to eat or sell
Cost = $1.7 billion
1,518,942 houses damaged
4234 dead or missing
Drinking water polluted by debris
How may houses damaged in cyclone sidr?
1,518,942
How may hectares of crops damaged in cyclone sidr?
685,000
What is the pop of Bangladesh?
169m in 2015 - worlds most densely populated
How many people in Bangladesh live on low lying land
46% below 10m above sea level
Why is Bangladesh at risk of flooding
Lies on three major flood plains
March-may storms can reach up to 160km/h winds - cyclone sidr
71% of mangroves retreating by as much as 200m per year due to erosion and human actions
How much are mangroves retreating by in Bangladesh?
71% of mangrove forested areas retreating as much as 200m per year
When was the first sea wall built at Hornsea?
1870 - lasted 6years - in 1966, a stronger wall was built
Why was mappleton more vulnerable to erosion?
Groynes at Hornsea starved mappleton of sediment - by the 1990s nearly 4 meters of cliff eroded each year
What are the predictions for the future of the holderness coast?
200 homes will be lost by 2100
What is the rate of erosion at holderness?
2m per year
Why is the holderness coast vulnerable to erosion
Made of boulder clay = weak material that erodes fast
Wind has long fetch across North Sea- 500-800 km
Deep floor = waves don’t lose energy
Low pressure weather systems cause storms frequently
How much have global temps and sea levels risen?
1880-2012, 0.85 celcius
1870-2010 21cm rise
What is an example of folding in a rock due to tectonic activity?
Lulworth crumple - Jurassic coast
How much of Maldives GDP is from tourism?
How many are employed in this sector?
28% and employs 60% of pop
How may islands is Maldives?
12000 - all low lying
80% of land under 1m elevation
How fast is sea level rising in Maldives?
3.2m a year
