Question 1

Briefly explain what allows a geyser to periodically erupt rather than slowly flowing as a hot spring?

Accepted Answer

heat build up at depth.Water i...

Question 2

Name two groundwater-related geologic effects of overproducing unconsolidated aquifers such as occurred in California's San Joaquin Valley?

Accepted Answer

water table drop (by >120 metr...

Question 3

Highly impermeable layers such as compacted clay or shale are known as ________.

Accepted Answer

The answer of Highly impermeable layers such as compacted clay...

Question 4

Yosemite National Park in California is world famous for its hot springs, geysers, and other geothermal phenomena.

Accepted Answer

A) True 
 B)False

Question 5

Two ways that sink holes can form are by ________ and ________.

Accepted Answer

dissolution from the...

Question 6

Which of the following describes the configuration of an unconfined water table around a pumping well?

Accepted Answer

A)  a bad impression
B)  cone of depression
C)  depression withdrawal
D)  inverted cone headE) A) and C)
F) B) and D)

Question 7

Lowering of the water table around a pumping well results in a cone of infiltration.

Accepted Answer

A) True 
 B)False

Question 8

Which one of the following logically explains why parts of some cavern systems are aerated?

Accepted Answer

A)  The caves formed and later the water table rose.
B)  A nearby, downcutting stream lowered the water table after the caves had formed.
C)  Streams formerly flowing on the surface were diverted into the groundwater system through sinkholes.
D)  The main water table is perched above the cavern roofs, allowing air to enter.E) B) and C)
F) None of the above

Question 9

A perched water table develops when ________.

Accepted Answer

A)  an aquifer below the regional water table is underlain by a horizontal aquitard
B)  an aquifer above the regional water table is overlain by a horizontal aquitard
C)  a horizontal aquitard above the regional water table lies below an aquifer
D)  an aquitard below the regional water table lies above a horizontal aquiferE) All of the above
F) A) and B)

Question 10

Explain how a stream with an 11 day transit time for its entire length can sustain flow for short periods of drought that exceed 11 days?

Accepted Answer

If the stream is par...

Question 11

Cave formations like dripstone and travertine are composed of ________.

Accepted Answer

calcium ca...

Question 12

Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwanted pollutants from the water?

Accepted Answer

A)  a sandy loam soil with high organic carbon content
B)  limestone with numerous solution channels and fractures widened by dissolution
C)  lakebeds consisting of unconsolidated very fine-grained sand and silt
D)  sandstone; well-cemented with a few, widely spaced vertical fracturesE) A) and C)
F) A) and D)

Question 13

Sinkholes can form ________.

Accepted Answer

A)  in any calcium bearing bedrock
B)  in humid regions underlain by carbonates, salts, or gypsum
C)  only in limestones
D)  only in high elevation areas with sufficient gradient to carry away dissolved materialsE) None of the above
F) A) and D)

Question 14

Which one of the following concerning artesian wells is false?

Accepted Answer

A)  The well penetrates an aquifer overlain by an aquitard.
B)  The well penetrates an aquifer underlain by an impermeable bed.
C)  The aquifer is generally inclined, and it is saturated to an elevation above the point where the well penetrates the aquifer.
D)  When the well penetrates the aquifer, the water rises to the bottom of the aquitard above the aquifer.E) A) and B)
F) None of the above

Question 15

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A)  hydraulic gradient
B)  karst porosity
C)  head
D)  hydraulic conductivityE) B) and C)
F) A) and B)

Question 16

On the cutaway sides of the illustration below, areas shaded dark represent the zone of saturation, and areas that are lightly shaded represent the zone of aeration.All rock types are aquifers except for the labeled aquitard.On the blanks provided, fill in the name of the labeled features.

Accepted Answer

a)water ta...

Question 17

The longest known cave system in the world is ________ with more than 540 kilometres of passages.

Accepted Answer

A)  Castleguard Cave, Alberta
B)  Carlsbad Caverns, New Mexico
C)  Hayes Cave, Nova Scotia
D)  Mammoth Cave, KentuckyE) None of the above
F) C) and D)

Question 18

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A)  porosity
B)  permeability
C)  aquitard
D)  aquiferE) All of the above
F) A) and B)

Question 19

Where does the majority of fresh groundwater reside?

Accepted Answer

A)  as large stationary bodies in enormous underground caverns
B)  flowing in large underground rivers
C)  in pores within soils and sediments or in fractures in rocks
D)  as superheated steam in vast hotspring and geyser fieldsE) A) and B)
F) None of the above

Question 20

Where are the most famous geyser in the world?

Accepted Answer

A)  Banff Hot Springs in the Canadian Rockies
B)  Yellowstone National Park, U.S.
C)  Iceland's Groundwater Preserve
D)  Ottawa's famous bombastic effluentE) A) and D)
F) C) and D)

Exam 16: Groundwater

Yosemite National Park in California is world famous for its hot springs, geysers, and other geothermal phenomena.

Correct AnswerverifiedShow Answer

Which one of the following concerning artesian wells is false?

Correct AnswerverifiedShow Answer

Highly impermeable layers such as compacted clay or shale are known as ________.

Correct AnswerverifiedShow Answer

Which one of the following logically explains why parts of some cavern systems are aerated?

Correct AnswerverifiedShow Answer

Which of the following describes the configuration of an unconfined water table around a pumping well?

Correct AnswerverifiedShow Answer

Briefly explain what allows a geyser to periodically erupt rather than slowly flowing as a hot spring?

Correct Answerverifiedheat build up at depth.Water i...View AnswerShow Answer

On the cutaway sides of the illustration below, areas shaded dark represent the zone of saturation, and areas that are lightly shaded represent the zone of aeration.All rock types are aquifers except for the labeled aquitard.On the blanks provided, fill in the name of the labeled features.

Correct Answerverifieda)water ta...View AnswerShow Answer

Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwanted pollutants from the water?

Correct AnswerverifiedShow Answer

Name two groundwater-related geologic effects of overproducing unconsolidated aquifers such as occurred in California's San Joaquin Valley?

Correct Answerverifiedwater table drop (by >120 metr...View AnswerShow Answer

Sinkholes can form ________.

Correct AnswerverifiedShow Answer

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Correct AnswerverifiedShow Answer

Cave formations like dripstone and travertine are composed of ________.

Correct Answerverifiedcalcium ca...View AnswerShow Answer

The longest known cave system in the world is ________ with more than 540 kilometres of passages.

Correct AnswerverifiedShow Answer

Explain how a stream with an 11 day transit time for its entire length can sustain flow for short periods of drought that exceed 11 days?

Correct AnswerverifiedIf the stream is par...View AnswerShow Answer

Lowering of the water table around a pumping well results in a cone of infiltration.

Correct AnswerverifiedShow Answer

Where does the majority of fresh groundwater reside?

Correct AnswerverifiedShow Answer

A perched water table develops when ________.

Correct AnswerverifiedShow Answer

Where are the most famous geyser in the world?

Correct AnswerverifiedShow Answer

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Correct AnswerverifiedShow Answer

Two ways that sink holes can form are by ________ and ________.

Correct Answerverifieddissolution from the...View AnswerShow Answer

Correct Answer
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heat build up at depth.Water i...
View Answer

Correct Answer
verified
a)water ta...
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Correct Answer
verified

Correct Answer
verified
water table drop (by >120 metr...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
calcium ca...
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Correct Answer
verified

Correct Answer
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If the stream is par...
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Two ways that sink holes can form are by and .

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dissolution from the...
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