The Solid Earth - Chapter 4: Types of Glaciers Flashcards
A thick ice mass that originates on land from the accumulation, compaction, and recrystallization of snow
Glacier
True or false: glaciers are absolutely stationary
False
Glaciers move at a _____ pace than streams
Slower
Small glaciers in lofty mountain areas are often termed ___ glaciers or ____ glaciers due to setting
valley
alpine
Each glacier is a ___ of ice, bounded by precipitous ice walls that flows downvalley from an accumulation center near its head
Stream
In contrast to valley glaciers ____ exist as huge masses flowing out in different directions from one or more centers and completely obscure all but the highest areas of the terrain
Ice sheets
Name the two currently existing ice sheets
Greenland
Artarctic
Because of the proportions, the name ice sheet often is described as _____
continental
These coverings that cover uplands and plateaus are masses called ___ ____.They resemble ice sheets but are much smaller
Ice caps
This type of glacier occupies broad lowlands at the bases of steep mountains and form when one or more valley glaciers emerge from the confining walls of mountain valleys
Piedmont glaciers