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Study Sheet - Exam 5 – Geology 2 – Chapters 10, 11, 12
The upper limit of the zone of saturation is called the __________.
Much of the water that flows in rivers is not direct runoff from rain or snowmelt,
but originates as groundwater.
__________ are streams that gain water from the inflow of groundwater through
the streambed.
Porosity is the __________.
Permeable layers of rock, such as sand or gravel, that transmit groundwater freely
are referred to as __________.
A permeable rock layer that transmits water freely is referred to as an aquifer.
The mathematical relationship that relates groundwater velocity, head, length of
flow, and permeability is __________.
An intermittent hot spring that ejects a fountain of hot water and steam with great
force is called a(n) __________.
What is the source of heat for most hot springs and geysers? Visit this
Geysers page for more information.
About
According to the information in this About Geysers page, which geyser field
contains more than half of the world's geysers?
As water is withdrawn from a well, the water table drops around the well and
forms a(n) __________.
The term artesian is applied to __________.
All artesian wells are free-flowing.
The __________ aquifer, an important groundwater source for irrigation, extends
beneath a large portion of the High Plains.
The hydraulic gradient of a water table is determined by dividing the __________
by the length of flow between the recharge and discharge points.
A good approximation of the rate that groundwater moves would be __________.
You might find the information at this site helpful.
The level of the water table is important in predicting all of the following EXCEPT
__________.
Land subsidence is an environmental problem that can be caused by groundwater
withdrawal.
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Regions of irregular terrain formed when groundwater dissolves rock are said to
exhibit __________ topography.
Most caverns are created __________.
Karst topography is most likely to develop in regions with limestone bedrock and a
wet climate.
Most karst landscapes are underlain by the rock __________.
From where did the name "karst" originate? You might find this
informative.
site useful and
The various dripstone features found in caves are collectively called speleothems.
Stalactites and stalagmites are examples of __________.
Which one of the following would NOT be a characteristic feature of a karst
landscape?
A glacier __________.
Which of the following statements is true of valley glaciers?
Glaciers that cover large land areas are called __________.
The source of glacial ice is __________.
The movement of glacial ice involves __________.
Periods of rapid glacial movement are referred to as __________.
The outer limits of the zone of accumulation are defined by the snowline.
The __________ is the area of a glacier in which new ice is forming.
The position of the front of a glacier depends on the balance between
accumulation and wastage.
If ablation is equal to accumulation, then __________.
Which of the following is not a factor controlling the erosive ability of glaciers?
Glaciers are capable of carrying huge blocks of material that no other erosional
agent could possibly transport.
A steep-sided, pyramid-like peak formed by alpine glacier erosion is a(n) _______.
Submerged, steep-walled troughs that formerly held glaciers are called ________.
__________ are large boulders that were deposited by glaciers.
Lateral moraines are ridges of till paralleling the sides of a glaciated valley.
3
Sediments deposited by glacial meltwater are referred to as __________.
The outermost limit of a glacier's advance is marked by the __________.
Milutin Milankovitch first proposed that variations in Earth's climate may be
caused by __________.
Which of the following is the most recent Ice Age glacial stage in North America?
Long Island, Martha's Vinyard, and Nantucket each consist of substantial parts of
__________.
During the Ice Age, ice sheets and alpine glaciers were far more extensive than
they are today.
The following portion of a Wisconsin topographic map illustrates a glacial
landform called a(n) __________.
Visit this Glacier Bay National Park
completely covered by ice?
site. As recently as how long ago was the bay
Approximately what percent of Earth's land area is occupied by dry regions?
The differences between desert and steppe climatic types are primarily a matter of
degree.
A semiarid region that often surrounds a desert is called a(n) __________.
Running water, although infrequent, nevertheless does most of the erosional work
in deserts.
Most middle-latitude deserts are located where they are because __________.
Mountain ranges may block precipitation from reaching certain areas, thereby
creating __________.
The locations of low-latitude deserts coincide with __________.
Desert floods arrive suddenly and subside quickly.
Less weathering occurs in deserts because __________.
Streams that carry water only in response to specific episodes of rainfall are
referred to as
Which of the following processes is responsible for most of the erosion in deserts?
__________ streams.
All the following except __________ are desert land features created by water.
Which one of the following constitutes most of the bed load carried by wind?
4
The most notable results of deflation in some places are shallow depressions
called blowouts.
Which type of desert erosion involves the lifting and removal of loose material?
"Loess" is best described by which of the following statements?
Low-latitude deserts are located near which major lines of latitude?
Which of the following is a low-latitude desert?
In which of the following locations would a rainshadow desert most likely be
found?
Due to its combination of flat desert basins lying between mountain chains, much
of the southwestern United States is referred to as the Basin and Range region.
Which one of the following desert features is very common where a stream leaving
the base of a mountain range meets an interior basin?
Mount Uluru (formerly Ayers Rock), Australia, is an example of what type of desert
feature?