"It's a natural dam," said Lonnie Thompson, a research scientist at the Byrd Center who has studied Andean glaciers closely.

By the time he left high school, Mr. Vander Ark hoped to sequester himself far away from humanity, scaling mountains and studying lonely glaciers.

They study the weather, animals, glaciers, and the air around our earth.

A glaciologist is a person who studies glaciers.

Scientists have been studying glaciers for some time.

Jeffrey S. Kargel, a scientist with the geological survey who studies glaciers worldwide, calls the handful remaining in the park only "technically glaciers" because "they are so minuscule."

Meier was one of the first glaciologists to use remote sensing to study glaciers and rates of melting.

In the Alps, Tyndall studied glaciers, and especially glacier motion.

In 1909 Romer went to Switzerland, to study Alpine glaciers.

In 1763, he undertook a scientific expedition across Switzerland, to study herbaria, fossil and crystal collections, salt evaporation ponds, hot springs and glaciers.