Ges 110 Exam 2 61-80

Front 1

The formation of a pingo begins with the formation of __ in the tundra:

Back 1

permafrost

Front 2

In permafrost terrains, the term active layer refers to:

Back 2

the freezing and thawing in accordance with the seasons

Front 3

Evidences of recent climate change are found in

Back 3

glacial ice in Antarctica

Front 4

__ is the process of ice splitting rocks during freeze/thaw cycles.

Back 4

Frost cracking

Front 5

___ involve the massive displacement of rock or sediment straight down a steep slope.

Back 5

Landslide

Front 6

Characteristic fractures that form in bedrock when it cools and contracts are described as_________.

Back 6

joints

Front 7

Atmospheric water that reacts with anthropogenic sulfur and nitrogen is called

Back 7

Acid Rain caused by Pollution

Front 8

A ______ is any mass-wasting process that involves a flowing motion of regolith containing water and/or air in its pores.

Back 8

flow

Front 9

Freeze-thaw cycles in tundra create __ ground.

Back 9

thermokarst

Front 10

___is defined as a treeless, periglacial terrain, often featuring permafrost and patterned ground.

Back 10

Alpine Tundra

Front 11

The process in which water changes from a liquid to a vapor is known as __________.

Back 11

Evaporation

Front 12

___ occurs when plants intercept water and release it back into the atmosphere.

Back 12

Transpiration

Front 13

Precipitation that does not evapotranspirate or infiltrate once it hits the ground surface contributes to:

Back 13

run off

Front 14

Subsurface water contained in pore spaces in regolith and bedrock is known as

Back 14

Ground water

Front 15

A(n)__________ occurs in an area where the ground water is heated by hot rock near the surface which can force the ground water to flow out under pressure.

Back 15

Geysers

Front 16

Late summertime baseflow in a stream is typically maintained by:

Back 16

Solifluction

Front 17

The process by which water changes from a vapor to a liquid or a solid is known as:

Back 17

Condensation

Front 18

_ is another name for a stream's point of origin.

Back 18

source

Front 19

The point at which a stream discharges into the ocean is typically referred to as its _

Back 19

estuary