HumanitiesGeology Chapter 17 MG
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Geology Chapter 17 MG

Dahlia Lee avatar Dahlia Lee
24 July 2022
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23 test answers

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question
Which of the following represent the largest volume of freshwater found on Earth?
answer
ice sheets and glaciers
question
Which of the following is a true statement about groundwater?
answer
Water in a groundwater system is stored in subsurface pore spaces and fractures.
question
In the _____, groundwater fills the pore space.
answer
zone of saturation
question
The water table _____.
answer
surface is subdued version of the surface topography
question
A _____ is separated from the groundwater system by the unsaturated zone.
answer
losing stream (disconnected)
question
Groundwater flows from _____.
answer
high to low pressure areas
question
Which of the following is necessary to calculate hydraulic gradient?
answer
the distance between two wells that penetrate the zone of saturation
question
A perched aquifer is located directly above a(n) _____.
answer
aquitard
question
Which of the following is true regarding groundwater as you move deeper below the surface?
answer
Groundwater moves over larger distances, over longer timescales.
question
Which of the following best describes the cone of depression?
answer
A dimple in the water table surface due to water pumped faster than an aquifer can be replenished.
question
To ensure a continuous supply of water, a well must do what?
answer
penetrate well below the regional water table surface
question
When water is pumped from a well, drawdown occurs. Which of the following is a true statement regarding drawdown?
answer
Drawdown decreases with increasing distance from the well.
question
The cone of depression _____ near a well.
answer
increases the hydraulic gradient
question
In which situation does the cone of depression need to be taken into account?
answer
A well for industrial purposed is drilled proximal to a smaller, domestic well.
question
An artesian system is present when groundwater _____.
answer
under pressure rises above the aquifer level
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A _____ is located where the pressure surface is above the aquifer, but below the ground.
answer
nonflowing artesian well
question
If a well is drilled into an aquifer where the pressure surface is both above the aquifer and the ground, a _____ is formed.
answer
flowing artesian well
question
Which of the following is a requirement for an artesian system to exist?
answer
Aquitards must be present both above and below the aquifer
question
As shown by the South Dakota example, artesian systems _____.
answer
are able to transmit water great distances from recharge to discharge areas
question
What percentage of the Earth's water is in the form of groundwater?
answer
0.62%
question
Which of the following materials is most readily dissolved by water?
answer
Calcite
question
The majority of groundwater occurs as underground rivers.
answer
False
question
Which of the following has the highest permeability?
answer
Sand