Tuesday, September 17, 2019

Glacier dictogloss

Glacier dictogloss


Glaciers are huge masses of ice that flow like very slow rivers.


Glaciers are mountains of snow that stay still for a long time that the snow
crystallizes and turns into ice. Over time more layers of snow compresses down
and the glacier becomes deeper.


Some glaciers appear dusty and rocky. Others have an Aquamarine glow like a
huge Heligan ball inside. Glaciers are separated into 2 groups, the Alpine that
form on mountain sides, and the continental ice sheets.


Mountain valleys appear v shaped until a glacier melts into the valley. After a
while, the valley becomes wider and deeper, and appears v shaped.


10% of the Earth is covered by glacier ice, but in the last ice age, glaciers
covered 1 third of the Earth's surface.


Alaska has more than 100 glaciers, most of them are yet to be named.


75% of the Earth's water supply relies on glacial ice. Glaciers can be more than
100,000 years old, scientist examining and extract the ice to try to predict what
climate was like back then.

The biggest glacier in the world is the Lambert Glacier in Antarctica. Lambert
Glacier is found in the biggest ice sheet that covers 99% of Greenland and
Antarctica, if the whole ice sheet were to melt, the water levels would rise up 65
metres, and London would be lost underwater. New Zealand has 2 glaciers, Fox
Glacier and Franz Josef Glacier.

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