Glaciation

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what is a corrie?
corrie: arm-chair shaped depression in a mountainside with a steep back wall and a rock lip
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how is a corrie formed?
a large rounded hollow on a mountainside is eroded and deepened by plucking and abrasion
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what is a sander?
a flat expanse of fluvioglacial debris in front of the glacier snout
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how is a sander formed?
as meltwater streams emerge from the galcier and enter the lowland area they lose their energy and deposit first gravel, then sand and finally clay, furthest from the glacier
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what is an esker?
long, narrow (winding or meandering) ridge of fluvial-glacial sand and gravel
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how is an esker formed?
subglacial (under the ice) streams carry large amounts of rock debris. The streams often meander beneath the glacier. when the glacier retreats, the debris is deposited
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give an example of where an esker is in the UK?
newtondale, North Yorkshire
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what is a kame?
a mound of fluvial-glacial sand and gravel deposited on the valley floor near the glacier snout
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how is a kame formed?
as meltwater streams emerge onto the outwash plain or proglacial lake at the glacier snout, velocity falls and sediment is deposited
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give an example of where a kame is in the UK?
lake pickering, north yorkshire
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svalbard section 10
- activities in Svalbard shall make use of the technology that puts the least possible pressure on the environment
- activities in Svalbard, chemical and biotechnological products that may cause damage or nuisance to the environment shall be replaced wit
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svalbard section 16
- no activity that has a lasting effect on the natural environment or cultural heritage is permitted in a national park
- the landscape and animal life, geological formations shall be protected against development, construction and pollution
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svalbard islands
- lie in the Arctic Ocean, halfway between mainland Norway and the North Pole
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threats to svalbard
coal mining
scientific research
tourism
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svalbard protection
Svalbard Environmental Protection Act - 2002
2/3 of svalbard is now protected through national parks and nature reserves
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Sagamartha
- includes the highest mountain on earth, Everest
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direct threats to sagamartha
- footpath erosion
- construction of illegal trails
- water pollution
- problems with waste disposal
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sharpa people
- 6000
- their religion and culture includes the restriction of hunting animals and respect for all living things, these beliefs contributed to the successful management of the sagamartha national park
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climbing everest
the 2 main routes up Everest are dangerously crowded during the peak climbing season, and badly polluted with piles of rubbish, abandoned equipment and human waste
- mountaineers are now calling tighter restrictions:
- limiting number of permits given to
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Other cards in this set

Card 2

Front

how is a corrie formed?

Back

a large rounded hollow on a mountainside is eroded and deepened by plucking and abrasion

Card 3

Front

what is a sander?

Back

Preview of the front of card 3

Card 4

Front

how is a sander formed?

Back

Preview of the front of card 4

Card 5

Front

what is an esker?

Back

Preview of the front of card 5
View more cards

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