Question 1

Which of the following is true when the soil is at field capacity?

Accepted Answer

A) a surplus definitely exists. 
B) no gravity drainage has occurred. 
C) the soil is holding the maximum amount of water that it can hold against the pull of gravity. 
D) the capillary force is not acting. 
E) a deficit exists. 
A) a surplus definitely exists. 
B) no gravity drainage has occurred. 
C) the soil is holding the maximum amount of water that it can hold against the pull of gravity. 
D) the capillary force is not acting. 
E) a deficit exists.

Question 2

The difference between soil moisture saturation and field capacity is approximately equal to

Accepted Answer

A) wilting point water. 
B) gravitational water. 
C) available water. 
D) hygroscopic water. 
E) distilled water. 
A) wilting point water. 
B) gravitational water. 
C) available water. 
D) hygroscopic water. 
E) distilled water.

Question 3

The High Plains aquifer

Accepted Answer

A) averages about 60 cm of rain per year. 
B) was not heavily mined until the 1960s. 
C) is not Earth's largest aquifer. 
D) received much of its water from melting glaciers in the past. 
E) is rapidly recharged from surface water sources. 
A) averages about 60 cm of rain per year. 
B) was not heavily mined until the 1960s. 
C) is not Earth's largest aquifer. 
D) received much of its water from melting glaciers in the past. 
E) is rapidly recharged from surface water sources.

Question 4

Water detention on the surface is a form of

Accepted Answer

A) surplus. 
B) groundwater. 
C) deficit. 
D) precipitation. 
E) soil moisture storage 
A) surplus. 
B) groundwater. 
C) deficit. 
D) precipitation. 
E) soil moisture storage

Question 5

If the potentionmetric surface is above ground level you could find

Accepted Answer

A) the zone of aeriation 
B) the cone of depression 
C) an artesian water 
D) a confined aquifer 
E) an aquifer recharge area 
A) the zone of aeriation 
B) the cone of depression 
C) an artesian water 
D) a confined aquifer 
E) an aquifer recharge area

Question 6

Approximately what percentage of our bodies is comprised of water?

Accepted Answer

A) 5 percent 
B) 25 percent 
C) 70 percent 
D) 83 percent 
E) 99 percent 
A) 5 percent 
B) 25 percent 
C) 70 percent 
D) 83 percent 
E) 99 percent

Question 7

Which of the following are true?

Accepted Answer

A) 28 countries face impending water shortages. 
B) one thousand people lack access to safe water. 
C) 1)8 billion people lack access to adequate sanitary facilities. 
D) in the next 50 years,water availability per person is expected to increase by 74%. 
E) climate change induced temperature increase will result in more precipitation. 
A) 28 countries face impending water shortages. 
B) one thousand people lack access to safe water. 
C) 1)8 billion people lack access to adequate sanitary facilities. 
D) in the next 50 years,water availability per person is expected to increase by 74%. 
E) climate change induced temperature increase will result in more precipitation.

Question 8

Which of the following is used to determine potential evapotranspiration?

Accepted Answer

A) evaporation pan 
B) barometer 
C) rain gauge 
D) snow gauge 
E) hydrometer 
A) evaporation pan 
B) barometer 
C) rain gauge 
D) snow gauge 
E) hydrometer

Question 9

Describe the conditions necessary for artesian water to reach the surface.

Accepted Answer

Artesian water reaches the surface when

Question 10

Potential evapotranspiration refers to

Accepted Answer

A) the moisture supply. 
B) the amount of unmet water demand in an environment. 
C) the amount of water that would evaporate or transpire if it were available. 
D) actual evapotranspiration under conditions of moisture deficit. 
E) the amount of water vegetation requires to live. 
A) the moisture supply. 
B) the amount of unmet water demand in an environment. 
C) the amount of water that would evaporate or transpire if it were available. 
D) actual evapotranspiration under conditions of moisture deficit. 
E) the amount of water vegetation requires to live.

Question 11

When actual evapotranspiration is less than potential evapotranspiration,a soil moisture deficit exists.

Accepted Answer

A) True 
 B)False

Question 12

What are the two basic pathways precipitation can take once it reaches Earth's surface?

Accepted Answer

The answer of What are the two basic pathways precipitation...

Question 13

)Excess surface water percolates through the zone of ________ to reach the zone of ________ and the water table.

Accepted Answer

A) hydration infiltration 
B) porosity permeability 
C) dehydration hydration 
D) aeration saturation 
E) saturation permeability 
A) hydration infiltration 
B) porosity permeability 
C) dehydration hydration 
D) aeration saturation 
E) saturation permeability

Question 14

The line of contact between the zone of aeration and the zone of saturation is known as the

Accepted Answer

A) water table. 
B) saturation contact. 
C) influent line. 
D) aquiclude. 
E) aquatard. 
A) water table. 
B) saturation contact. 
C) influent line. 
D) aquiclude. 
E) aquatard.

Question 15

Precipitation that reaches Earth's surface penetrates the soil surface through the process of

Accepted Answer

A) percolation. 
B) throughfall. 
C) infiltration. 
D) interception and throughfall. 
E) insolation. 
A) percolation. 
B) throughfall. 
C) infiltration. 
D) interception and throughfall. 
E) insolation.

Question 16

Which of the following is true of precipitation in North America?

Accepted Answer

A) the highest amounts occur in the Southwest and Midwest. 
B) the highest amounts occur in the Southeast and extreme South. 
C) the lowest amounts are received in the Midwest. 
D) the lowest amounts are received near Hudson Bay. 
E) the highest amounts are orographic precipitation over the coast ranges. 
A) the highest amounts occur in the Southwest and Midwest. 
B) the highest amounts occur in the Southeast and extreme South. 
C) the lowest amounts are received in the Midwest. 
D) the lowest amounts are received near Hudson Bay. 
E) the highest amounts are orographic precipitation over the coast ranges.

Question 17

Transpiration refers to

Accepted Answer

A) the movement of free water molecules away from a wet surface. 
B) the outward movement of water from plant leaves. 
C) an amount of moisture loss from the surface that cannot be measured. 
D) evaporation. 
E) the amount of water plants absorb from the soil through root systems. 
A) the movement of free water molecules away from a wet surface. 
B) the outward movement of water from plant leaves. 
C) an amount of moisture loss from the surface that cannot be measured. 
D) evaporation. 
E) the amount of water plants absorb from the soil through root systems.

Question 18

At wilting point,no water remains in the soil.

Accepted Answer

A) True 
 B)False

Question 19

The water available to a plant is a function of soil texture and the rooting depth of the plant itself.

Accepted Answer

A) True 
 B)False

Question 20

What are the various potential consequences of the overuse of groundwater?

Accepted Answer

The overuse of groundwater can lead to a

Exam 9: Water Resources

Which of the following is true when the soil is at field capacity?

The difference between soil moisture saturation and field capacity is approximately equal to

The High Plains aquifer

Water detention on the surface is a form of

If the potentionmetric surface is above ground level you could find

Approximately what percentage of our bodies is comprised of water?

Which of the following are true?

Which of the following is used to determine potential evapotranspiration?

Describe the conditions necessary for artesian water to reach the surface.

Potential evapotranspiration refers to

When actual evapotranspiration is less than potential evapotranspiration,a soil moisture deficit exists.

What are the two basic pathways precipitation can take once it reaches Earth's surface?

)Excess surface water percolates through the zone of ________ to reach the zone of ________ and the water table.

The line of contact between the zone of aeration and the zone of saturation is known as the

Precipitation that reaches Earth's surface penetrates the soil surface through the process of

Which of the following is true of precipitation in North America?

Transpiration refers to

At wilting point,no water remains in the soil.

The water available to a plant is a function of soil texture and the rooting depth of the plant itself.

What are the various potential consequences of the overuse of groundwater?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth's Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Climate Systems and Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

Eolian Processes and Arid Landscapes

The Oceans, Coastal Processes, and Landforms

Glacial and Periglacial Processes and Landforms

The Geography of Soils

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)Excess surface water percolates through the zone of to reach the zone of and the water table.