Glaciation - Key facts and figures

When was the Quaternary glaciation?

2.6 million years ago

When was the most recent glacial ( In the Quaternary period )

20,00 years ago

How thick was the ice sheets in Scotland during the Quaternary period?

1km deep

When did the most recent glacial in the Quaternary period end?

13,000 years ago

How much of the continental surface was covered by snow + ice in the last glacial in the Quaternary period?

1/3

How long did the glacials and interglacials last in the Quaternary period?

The Glacials lasted 100,000 years, whereas the interglacials lasted (10,000 -15,000)

Main feature of the Quaternary period?

Cyclic changes of climate ( Long glacials interrupted by shorter, warmer inter- glacials)

In the past 450,000 years, how many interglacials and glacials have there been in the Quaternary period?

4 major glacials, and 4 interglacials

How much did sea levels rise during the Holecene?

100m

When did the Loch Lomand Stadial last until?

11,700 years ago

When was the “Little Ice Age"?

1550 to 1850

How much of the Earth’s surface is covered by permafrost?

20 - 25%