geographyNo Comments

default thumbnail

During the days when the temperature is warm, the snow will begin to melt. As the temperature falls, that thawing snow will freeze. In the proper environment, it will snow again — these new flakes settling on the frozen ones. This new snow will also melt and freeze. This process becomes a cycle: snow, melt, freeze. As these layers of snow build up, they will grow heavy, and the constant thawing and freezing, as well as the weight, will turn the snow pile into an ice block.

As the weight of all the layers pushes down, the glacier will start to spread out, and gravity will pull it downwards, causing the glacier to cover more and more land. This spreading out is the glacial icemoving. As snow persists to fall, glaciers will continue to grow and spread.

The earth goes through cooling cycles, which means that for significant periods of time there will be more snow falling than melting. When the earth enters these cooling cycles, snow hits the ground faster than it can melt. This excessive snow and lack of melting causes glaciers to advance significantly, covering a lot of earth’s surface in ice. Think of an ice age.

Be the first to post a comment.

Add a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

error: Content is protected !!