Unit 2 Definitions

Question 1

Crysosphere

Answer 1

The parts of the earth’s crust and atmosphere that are below 0 degrees for part of each year.

Question 2

Morphology

Answer 2

Shape and form of land features.

Question 3

Climate

Answer 3

Long term pattern of weather in a particular area.

Question 4

Topography

Answer 4

Study of land surface.

Question 5

Unconstrained ice mass

Answer 5

Masses that have a morphology that is independent of underlying topography.

Question 6

Constrained ice mass

Answer 6

Ice masses that are contained by topographical features.

Question 7

Thermal Regime

Answer 7

Temperature of ice.

Question 8

Temperate glacier

Answer 8

Warm based glaciers found in high altitude areas, where temperatures fluctuate above and below melting point.

Question 9

Polar Glacier

Answer 9

Found at high latitude locations, with temperatures well below 0 degrees.

Question 10

Pressure Melting

Answer 10

Ice melting at temperatures below 0 degrees, due to pressure, from weight of overlying ice.

Question 11

Pressure melting point

Answer 11

The point below 0 degrees at which a substance melts due to pressure.

Question 12

Regelation

Answer 12

The melting, then refreezing of ice, due to changes in pressure.