Global Ice Coverage

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  • Created by: emily_w
  • Created on: 05-05-14 13:00
What percentage of the world is covered by ice?
10%
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Where are most of today's ice sheets found?
Greenland and Antarctica
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Why are ice sheets special?
They form habitats for animals that can't live anywhere else, like penguins and polar bears
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Why are Greenland and Antarctica covered in ice?
The Earth is tilted on its axis, so these places are furthest away from the sun and the rays are less concentrated
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How do scientists create maps of Pleistocene-era ice sheets?
They drill into the ice and look at the type of climate the organisms they find were adapted to. They cuold also look for u-shaped valleys, which can only be formed by glaciers
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What are the negative effects of melting ice caps?
Extinction of polar species and flooding
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What are two causes of interglacial periods?
The Earth wobbling on it axis, which would cause some areas to be further from the sun; or the eruption of volcanoes, whoch which would block the sun's light because of the dust
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How do ocean currents affect our weather?
They cause rain/drought by bringing hot/cold water to different parts of the world
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Who invented the wobble theory?
Milutin Milankovitch
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What is the El Nino effect?
A change in the temperature of a current between South America and Australia/Asia
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Other cards in this set

Card 2

Front

Where are most of today's ice sheets found?

Back

Greenland and Antarctica

Card 3

Front

Why are ice sheets special?

Back

Preview of the front of card 3

Card 4

Front

Why are Greenland and Antarctica covered in ice?

Back

Preview of the front of card 4

Card 5

Front

How do scientists create maps of Pleistocene-era ice sheets?

Back

Preview of the front of card 5
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