removal of mangroves leaves the coast vulnerable to erosion
17000 ha in last 30 years
coasts retreating 200m per year
damage by tropical storms (2009 cyclone Sidir)
increase salinization
low lying land/sea level rise
2 of 15
what is the local coast case study?
Holderness coast, east coast, Yorkshire
3 of 15
what are threats to holderness?
Europe's fastest eroding coastline, 2m per year
since roman times, coast has retreated 4km, 29 villages lost
made up of soft boulder clay
fetch of 500 to 800 km across the North Sea
4 of 15
why manage Holderness?
The Gas Terminal in Easington, which supplies 25% of Britain’s gas, is at risk
many settlements rely on tourism
houses under threat
It’s predicted that 200 homes and several roads will fall into the sea by 2100
5 of 15
what is the water abstraction case study?
the Aral sea, Kazakhstan/Uzbekistan
6 of 15
what is context of the Aral sea?
used to be part of the USSR
dams built to redirect water from rivers that supplied the sea
water used on cotton fields
7 of 15
what happened at the Aral sea?
half of the water evaportated in cotton fields or on its way there
no one measured how much water was used and pesticides got into rivers
fishing villages cut off from sea as water levels dropped
4 of the 38 species of fish are left
8 of 15
what is the tropical rainforest case study?
Luzon montane rainforest, Philippines
9 of 15
what are some facts about the Luzon montane rainforest?
8000km2
in the Philippines
10 of 15
what is the river catchment case study?
river exe Exmoor/Devon
11 of 15
what are physical features of the river exe?
upper catchment 60km2
514m above sea level
12 of 15
what is the geology of the river exe?
84.4% underlain by impermeable rock (quick run-off and through flow)
13 of 15
what is the land sue of the river exe?
Agricultural grassland (67%)
Woodland (15%)
Moors and peat bogs (3%) high store for water
Lots of farmland
14 of 15
what do the physical features mean for water runoff on the river exe?
65% runoff Due to impermeable geology
Drainage ditches
15 of 15
Other cards in this set
Card 2
Front
what are threats to the Sundarbans?
Back
removal of mangroves leaves the coast vulnerable to erosion
17000 ha in last 30 years
coasts retreating 200m per year
damage by tropical storms (2009 cyclone Sidir)
increase salinization
low lying land/sea level rise
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