CASE STUDIES

Question 1

Newtondale

Answer 1

Proglacial lake/ overflow channel

Overflow from lake Pickering, left gorge which is 5km long

Fluvioglacial

Question 2

River Severn

Answer 2

Fluvioglacial

Preglaciation- flowed into Irish Sea and Bristol channels

Ice age- north route was blocked by ice. Then proglacial lake which overflowed following southerly route, created the iron bridge gorge

Deglaciation - ice melt and retreat river followed southerly route which created current river Severn

Question 3

Antarctica

Answer 3

• fragile environment
• 14 million km2
• 90% of all ice on earth
• 70% of earths fresh water
• average temp -49*C

Protection

Antarctic Treaty 1959 signed by 53 countries
International whaling commission, voluntary ( Iceland, Norway, Japan)
IAATO protect tourism impact
Antarctic and southerly ocean coalition, NGO