Glaciation

Question 1

Antarctica has how many % of the world’s total glaciation?

Answer 1

85%. Greenland has 11%.

Question 2

What’s a glacier?

Answer 2

Slow moving masses of ice. Begins when the Earth’s climate cools, and snow gradually accumulates over thousands of years.

Question 3

Alpine glaciers move under what?

Answer 3

Gravity

Question 4

Continental glaciers move under what?

Answer 4

Their own weight.

Question 5

What’s the zone of accumulation?

Answer 5

The area of the glacier where snow builds up and turns into ice.

Question 6

What’s the zone of ablation?

Answer 6

The opposite of accumulation. It’s the loss of mass from snow or ice.

Question 7

What’s front advance?

Answer 7

Snow accumulation>rate of melting

Question 8

What’s stationary front?

Answer 8

Snow accumulation=the rate of melting

Question 9

What’s retreating front?

Answer 9

Rate of melting>rate of snowfall

Question 10

What happens if glacial ice melts?

Answer 10

▪️sea levels will rise

▪️flooding

Question 11

Forming Glacial Ice

Answer 11

1. Snow
2. Névé
3. Glacial ice

Question 12

What % of the Earth is presently covered in glaciers?

Answer 12

10%