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Ch 10 11 12
Geology exam 5 test
31
Geology
04/26/2011

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Term
The Natural Flow of Groundwater that exists when the water table intersects the ground surface is called a(n)
Definition
Spring
Term
This term is used to describe an impermearble layer that hinders or prevents the movement of groundwater.
Definition
aquitard
Term
In the US, more groundwater is used for this purpose than any other.
Definition
Irrigation
Term
Which of the following represents the greatest volume of water?
Definition
Term
A(n) _________ is created by the lowering of the water table surrounding as well.
Definition
Cone of Depression
Term
About what percentage of Earth's water is groundwater?
Definition
0.6%
Term
This is a measure of the amount of groundwater that can be stored by rock or sediment.
Definition
Porosity
Term
A measure of a material's ability to transmit groundwater through interconnected pore spaces is known as its
Definition
Permeability
Term
This term refers to rock strata or sediments that readily transmit groundwater.
Definition
aquifer
Term
The broad deposit of stratified drift that is deposited beyond teh end moraine of an ice sheet is a (an)
Definition
Outwash plain
Term
The outer limit of a glacier's zone of accumulation is defined by the
Definition
Snowline
Term
As a glacier moves down a valley, the ice in the center moves ______ tan teh ice along the sides
Definition
Faster
Term
Which one of the following regions has NOT been modified by glacial erosion and/ or deposition?
Definition
Stone Mountain, GA
Term
Currently glaciers cover about ______ percent of Earth's land area.
Definition
10%
Term
As ice sheets get larger, sea level _______.
Definition
Drops
Term
When the front of a flacier is retreating ,the ice within the glacier __________________.
Definition
continues to flow toward the outer maring of the glacier.
Term
During the ice age, ice sheets covered ____ times more land area than present day ice sheets.
Definition
3
Term
The largest ice sheet on Earth today covers ____________.
Definition
Antartica
Term
Alpine glaciers are also called _____________.
Definition
valley glaciers.
Term
As the front of a glacier is retreating, a layer of unsorted glacial sediment (till) known as a (an) _______ is deposited.
Definition
ground moraine
Term
When ice accumulation exceeds ice wastage, the front of a glacier will _______.
Definition
advance.
Term
Which one of the following statements about deserts is accurate?
Definition
Infrequent desert rains are often heavy.
Term
Rainshadow deserts occur on the _________ sides of mountains.
Definition
leeward
Term
Sinking air _________ and ______.
Definition
is compressed, warms.
Term
Steppe climates can also be described as _________.
Definition
semiand.
Term
TRUE OR FALSE
Usually sand dunes cover 50 percent or more of desert surfaces.
Definition
FALSE
Term
Desert streams are usually dry and carry water only after periods of rain. Such streams are said to be _________.
Definition
ephemeral.
Term
Approximately ____ percent of the world's land area is characterized by dry climates.
Definition
30
Term
Low-latitude subtropical deserts are the result of _______ air associated with the ________ pressure zones located at about 30 degrees north and south latitudes.
Definition
Sinking, Subtropical
Term
Climatologists define dry climates as those in which annual precipitation is exceeded by potential annual __________.
Definition
evaporation.
Term
A surface of tightly packed coarse pebbles on the desert surface is called __________.
Definition
desert pavement.