ice sheet
continental glacier

During winter, the ice sheet takes on a clear blue/green color.

In any case, there were no significant ice sheets during this time.

The world was a pretty sight from the ice sheet.

But until about 15 million years ago the ice sheet was incomplete.

She could see the ice sheets, and exactly where the tree line started.

The face of the ice sheet measured eight feet across.

They spend most of their lives in the water rather than on the ice sheets or dry land.

Ice sheets on land, but having the base below sea level.

Although apparently it's only a little piece of the total ice sheet.

One theory is that they were carried by ice sheets.

When this happened, ice sheets began to grow and spread.

Most of the world's fresh water is frozen in ice sheets.

Under this pressure, they say, the ice sheets could break up physically.

This involved marching out onto the ice sheet and having a good look around.

That's quite different from my saying that I know the ice sheets are going to melt in the next 50 years.

West Virginia had no ice sheet buildup during this time.

This, of course, explains the huge ice sheets that we met earlier.

The major store of water on land is found in glaciers and ice sheets.

At this point, the ice sheet doubles and animals must leave to find food.

The last ice sheet entered the area of Poland about 20,000 years ago.

Others will say: "Well, the disappearance of the ice sheet is years away."

Over the last several hundred years the situation has been reversed and the ice sheet is now growing.

Canal water was used to construct the single ice sheet.

This was dumped when an ice sheet melted long ago.

A drop in sea level allows more land to become available for ice sheet growth.