Group Glaciers Dictogloss

                               

Glaciers are huge masses of ice that flow like very slow rivers. Overtime snow
and water compresses and forms glaciers. They are usually divided into two
groups, Alpine and Continental.

Mountain valleys appear V shaped until a glacier forms over it. Some glaciers
appear dusty and rocky. Others have an Aquamarine glow like a huge Heligan
ball inside.

After a while, the valley becomes wider and deeper, and appears V shaped.
Ten percent of the Earth is covered in glacier ice, but in the last ice age, glaciers
covered one third of the Earth's surface.

Alaska has more than one hundred 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. Scientists examining and extracting the ice try to predict
what climate was like back then.

The largest glacier in the world is Lambert Glacier. 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 to 65 metres
and London would be lost underwater. New Zealand has two glaciers,
Fox Glacier and Franz Josef Glacier.