Question 1

The permeability of a material refers to

Accepted Answer

A) the volume of air space in a material. 
B) a meandering stream's movement across the underlying bedrock. 
C) the ease with which a stream erodes material. 
D) the ability of water to flow through a material. 
A) the volume of air space in a material. 
B) a meandering stream's movement across the underlying bedrock. 
C) the ease with which a stream erodes material. 
D) the ability of water to flow through a material. D

Question 2

Why does a plume of contamination spread out (become wider)away from the source of contamination?

Accepted Answer

A) Because the water flows faster and faster 
B) Because of diffusion of the contamination and mixing of contaminated and uncontaminated water 
C) Does not spread out away from the source 
D) Will only spread out if it is close to a cone of depression 
A) Because the water flows faster and faster 
B) Because of diffusion of the contamination and mixing of contaminated and uncontaminated water 
C) Does not spread out away from the source 
D) Will only spread out if it is close to a cone of depression B

Question 3

Which of the following is true about the Ogallala aquifer?

Accepted Answer

A) It was featured in the movie A Civil Action. 
B) Water levels are dropping primarily because of overpumping. 
C) It is a confined aquifer so is replenished as fast as water is used. 
D) None of these are correct. 
A) It was featured in the movie A Civil Action. 
B) Water levels are dropping primarily because of overpumping. 
C) It is a confined aquifer so is replenished as fast as water is used. 
D) None of these are correct. B

Question 4

What is the main importance of the Ogallala aquifer?

Accepted Answer

A) It feeds springs for the largest trout farms in the world. 
B) It is an important source of irrigation water. 
C) It is an important source of coal and hydroelectric power. 
D) Radioactive waste has been buried along the eastern side and is leaking. 
A) It feeds springs for the largest trout farms in the world. 
B) It is an important source of irrigation water. 
C) It is an important source of coal and hydroelectric power. 
D) Radioactive waste has been buried along the eastern side and is leaking.

Question 5

This map shows contours of the water table,the location of four factories (labeled A,B,C,and D ),and contaminated and uncontaminated wells.Which way will the contamination flow?

Accepted Answer

A) Northeast,up the contours 
B) Southwest,down the contours 
C) Northwest and southeast,parallel to the contours 
D) Impossible to tell because the movement of contamination is independent of groundwater 
A) Northeast,up the contours 
B) Southwest,down the contours 
C) Northwest and southeast,parallel to the contours 
D) Impossible to tell because the movement of contamination is independent of groundwater

Question 6

Which of the following controls the rate of groundwater flow?

Accepted Answer

A) The slope of the water table 
B) The permeability of the rocks 
C) How fractured the rocks are 
D) All of these are correct. 
A) The slope of the water table 
B) The permeability of the rocks 
C) How fractured the rocks are 
D) All of these are correct.

Question 7

Which source of drinking water is most likely to be pure and safe to drink?

Accepted Answer

A) spring water 
B) bottled spring water 
C) river water 
D) municipal water 
A) spring water 
B) bottled spring water 
C) river water 
D) municipal water

Question 8

In general,the average residence time will increase if

Accepted Answer

A) the size of the store and the flux both decrease. 
B) the size of the store decreases and the flux increases. 
C) the size of the store increases and the flux decreases. 
D) the size of the store and the flux both increase. 
A) the size of the store and the flux both decrease. 
B) the size of the store decreases and the flux increases. 
C) the size of the store increases and the flux decreases. 
D) the size of the store and the flux both increase.

Question 9

Which of the following combinations make for the best groundwater reservoir?

Accepted Answer

A) Low permeability and low porosity 
B) Low permeability and high porosity 
C) High permeability and low porosity 
D) High permeability and high porosity 
A) Low permeability and low porosity 
B) Low permeability and high porosity 
C) High permeability and low porosity 
D) High permeability and high porosity

Question 10

This water balance diagram for the tropical location below suggests that

Accepted Answer

A) drought is not a real concern. 
B) the soil reaches field capacity in December or January. 
C) the soil seldom reaches the wilting point. 
D) All of these are correct. 
A) drought is not a real concern. 
B) the soil reaches field capacity in December or January. 
C) the soil seldom reaches the wilting point. 
D) All of these are correct.

Question 11

Approximately what percentage of precipitation that falls on the continents runs off the surface via rivers/streams?

Accepted Answer

A) One-tenth 
B) One-third 
C) Two-thirds 
D) Nine-tenths 
A) One-tenth 
B) One-third 
C) Two-thirds 
D) Nine-tenths

Question 12

What could happen if this well is overpumped?

Accepted Answer

A) It will run out of water and become a dry well. 
B) It will yield more water over time. 
C) The water table will drop,causing sand to flow into the well. 
D) The bottom of the lens of fresh water will rise,causing the well to draw in salt water. 
A) It will run out of water and become a dry well. 
B) It will yield more water over time. 
C) The water table will drop,causing sand to flow into the well. 
D) The bottom of the lens of fresh water will rise,causing the well to draw in salt water.

Question 13

During times when precipitation exceeds potential evapotranspiration,

Accepted Answer

A) there cannot be a deficit. 
B) extra water goes into soil-water recharge if the soil is below field capacity. 
C) water may go into deep percolation as groundwater. 
D) All of these are correct. 
A) there cannot be a deficit. 
B) extra water goes into soil-water recharge if the soil is below field capacity. 
C) water may go into deep percolation as groundwater. 
D) All of these are correct.

Question 14

Which of the following is true about the water table?

Accepted Answer

A) The shape of the water table does not mimic topography. 
B) Deeper water below the water table must flow in the same direction as near-surface water. 
C) The water table can slope in opposite directions beneath a hill. 
D) All of these are correct. 
E) None of these are correct. 
A) The shape of the water table does not mimic topography. 
B) Deeper water below the water table must flow in the same direction as near-surface water. 
C) The water table can slope in opposite directions beneath a hill. 
D) All of these are correct. 
E) None of these are correct.

Question 15

Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure.Of these locations,which would likely have the slowest groundwater flow?

Accepted Answer

A) 1 and 2 
B) 2 and 3 
C) 3 and 4 
D) 4 and 5 
E) 1 and 5 
A) 1 and 2 
B) 2 and 3 
C) 3 and 4 
D) 4 and 5 
E) 1 and 5

Question 16

In which of these settings would a river or lake lose water to groundwater?

Accepted Answer

A) Where the water table adjacent to the river is higher than the river 
B) Where a lake is directly underlain by an impermeable layer 
C) Where a river flows across an area where the water table is far beneath the surface 
D) None of these are correct. 
A) Where the water table adjacent to the river is higher than the river 
B) Where a lake is directly underlain by an impermeable layer 
C) Where a river flows across an area where the water table is far beneath the surface 
D) None of these are correct.

Question 17

The magnitude of water in a store can have units of

Accepted Answer

A) meters per second. 
B) cubic meters per second. 
C) cubic meters. 
D) light-years. 
A) meters per second. 
B) cubic meters per second. 
C) cubic meters. 
D) light-years.

Question 18

Of the following,which has the greatest total volume of water?

Accepted Answer

A) The atmosphere 
B) Groundwater 
C) Ice caps and glaciers 
D) Rivers and lakes 
A) The atmosphere 
B) Groundwater 
C) Ice caps and glaciers 
D) Rivers and lakes

Question 19

Which of the following would not be a preferred characteristic of a good aquifer?

Accepted Answer

A) High permeability 
B) High porosity 
C) Unsaturated pores 
D) All of these are correct. 
A) High permeability 
B) High porosity 
C) Unsaturated pores 
D) All of these are correct.

Question 20

Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure.Of these locations,which two sites are on the opposite side of a groundwater divide?

Accepted Answer

A) Between 1 and 2 
B) Between 2 and 3 
C) Between 3 and 4 
D) Between 4 and 5 
E) None of these are correct. 
A) Between 1 and 2 
B) Between 2 and 3 
C) Between 3 and 4 
D) Between 4 and 5 
E) None of these are correct.

The permeability of a material refers to

Why does a plume of contamination spread out (become wider)away from the source of contamination?

Which of the following is true about the Ogallala aquifer?

What is the main importance of the Ogallala aquifer?

This map shows contours of the water table,the location of four factories (labeled A,B,C,and D ),and contaminated and uncontaminated wells.Which way will the contamination flow?

Which of the following controls the rate of groundwater flow?

Which source of drinking water is most likely to be pure and safe to drink?

In general,the average residence time will increase if

Which of the following combinations make for the best groundwater reservoir?

This water balance diagram for the tropical location below suggests that

Approximately what percentage of precipitation that falls on the continents runs off the surface via rivers/streams?

What could happen if this well is overpumped?

During times when precipitation exceeds potential evapotranspiration,

Which of the following is true about the water table?

Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure.Of these locations,which would likely have the slowest groundwater flow?

In which of these settings would a river or lake lose water to groundwater?

The magnitude of water in a store can have units of

Of the following,which has the greatest total volume of water?

Which of the following would not be a preferred characteristic of a good aquifer?

Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure.Of these locations,which two sites are on the opposite side of a groundwater divide?

The Nature of Physical Geography

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Exam 8: Water Resources

The permeability of a material refers to

Why does a plume of contamination spread out (become wider)away from the source of contamination?

Which of the following is true about the Ogallala aquifer?

What is the main importance of the Ogallala aquifer?

This map shows contours of the water table,the location of four factories (labeled A,B,C,and D ),and contaminated and uncontaminated wells.Which way will the contamination flow?

Which of the following controls the rate of groundwater flow?

Which source of drinking water is most likely to be pure and safe to drink?

In general,the average residence time will increase if

Which of the following combinations make for the best groundwater reservoir?

This water balance diagram for the tropical location below suggests that

Approximately what percentage of precipitation that falls on the continents runs off the surface via rivers/streams?

What could happen if this well is overpumped?

During times when precipitation exceeds potential evapotranspiration,

Which of the following is true about the water table?

Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure.Of these locations,which would likely have the slowest groundwater flow?

In which of these settings would a river or lake lose water to groundwater?

The magnitude of water in a store can have units of

Of the following,which has the greatest total volume of water?

Which of the following would not be a preferred characteristic of a good aquifer?

Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure.Of these locations,which two sites are on the opposite side of a groundwater divide?

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Understanding Landscapes

Plate Tectonics and Regional Features

Volcanoes,deformation,and Earthquakes

Weathering and Mass Wasting

Streams and Flooding

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

Soils

Ecosystems and Biogeochemical Cycles

Biomes

Filters