Question 1

Which of the following is true of ground water found between the surface and a depth of 4 km?

Accepted Answer

A) it is the smallest potential freshwater source in the hydrologic cycle. 
B) it contains 7 times as much water as all the fresh water lakes in the world. 
C) It contains water equal to that found in the atmosphere and rivers. 
D) 75% of North America's population derives a portion of its fresh water from this ground water. 
E) it is rapidly replenished from surface water sources. 
A) it is the smallest potential freshwater source in the hydrologic cycle. 
B) it contains 7 times as much water as all the fresh water lakes in the world. 
C) It contains water equal to that found in the atmosphere and rivers. 
D) 75% of North America's population derives a portion of its fresh water from this ground water. 
E) it is rapidly replenished from surface water sources.

Question 2

The hydrologic cycle

Accepted Answer

A) defines the volume of water in the oceans and lakes on Earth. 
B) defines the flow of water between water bodies,but cannot be used to quantify the water in lakes and seas. 
C) only describes how water moves from frozen to liquid on the continents. 
D) is a system that describes and explains all water on Earth. 
E) describes water volumes,but cannot define energy flows. 
A) defines the volume of water in the oceans and lakes on Earth. 
B) defines the flow of water between water bodies,but cannot be used to quantify the water in lakes and seas. 
C) only describes how water moves from frozen to liquid on the continents. 
D) is a system that describes and explains all water on Earth. 
E) describes water volumes,but cannot define energy flows.

Question 3

The High Plains aquifer irrigates about one-fifth of all U.S.cropland.

Accepted Answer

A) True 
 B)False

Question 4

The term "cone of depression" refers to

Accepted Answer

A) a change in the level of the soil water zone. 
B) a depression in the water table formed by rapid ground water withdrawal. 
C) a depression in Earth's surface formed by ground water withdrawal. 
D) a graphical representation of the decline in the rate of ground water flow as an aquifer dries out. 
E) the sinkhole that develops after groundwater has been withdrawn. 
A) a change in the level of the soil water zone. 
B) a depression in the water table formed by rapid ground water withdrawal. 
C) a depression in Earth's surface formed by ground water withdrawal. 
D) a graphical representation of the decline in the rate of ground water flow as an aquifer dries out. 
E) the sinkhole that develops after groundwater has been withdrawn.

Question 5

Currently humans are using about ________ of the annual worldwide runoff.

Accepted Answer

A) 30 percent 
B) 65 percent 
C) 75 percent 
D) 84 percent 
E) 90 percent 
A) 30 percent 
B) 65 percent 
C) 75 percent 
D) 84 percent 
E) 90 percent

Question 6

The recharge zone for a confined aquifer is larger than that for an unconfined aquifer.

Accepted Answer

A) True 
 B)False

Question 7

Potential evapotranspiration (P),when reduced by the deficit (D),yields the actual evapotranspiration value for a given time period.

Accepted Answer

A) True 
 B)False

Question 8

Atmospheric water that is carried from the ocean to the land

Accepted Answer

A) collects solely as ice on the high mountain peaks and then begins its journey to the rest of the land. 
B) quickly enters deep groundwater to be stored for future. 
C) flows back to the ocean through subsurface conduits. 
D) is carried back to the ocean over time by atmospheric,surface water and subsurface flows. 
E) results in a lowering of the ocean surface. 
A) collects solely as ice on the high mountain peaks and then begins its journey to the rest of the land. 
B) quickly enters deep groundwater to be stored for future. 
C) flows back to the ocean through subsurface conduits. 
D) is carried back to the ocean over time by atmospheric,surface water and subsurface flows. 
E) results in a lowering of the ocean surface.

Question 9

Productive aquifers exist best under conditions of

Accepted Answer

A) low porosity 
B) low permeability 
C) sand,gravel and rock with little cementing agent. 
D) an abundance of clay arranged in tightly packed,horizontal layers 
E) a deficit of surface water. 
A) low porosity 
B) low permeability 
C) sand,gravel and rock with little cementing agent. 
D) an abundance of clay arranged in tightly packed,horizontal layers 
E) a deficit of surface water.

Question 10

When hygroscopic water is present,a surplus exists.

Accepted Answer

A) True 
 B)False

Question 11

The lower limit of water in the zone of aeriation is the water table.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is true of transpiration?

Accepted Answer

A) it warms the surfaces of leaves. 
B) it is made possible by leaf veins. 
C) the amount of transpiration that occurs is partially controlled by the plants themselves. 
D) it is a water input in the water balance equation. 
E) it operates in plants as ingestion does in mammals. 
A) it warms the surfaces of leaves. 
B) it is made possible by leaf veins. 
C) the amount of transpiration that occurs is partially controlled by the plants themselves. 
D) it is a water input in the water balance equation. 
E) it operates in plants as ingestion does in mammals.

Question 13

Which of the following is true?

Accepted Answer

A) it is predicted that by 2025 humans will not have adequate water. 
B) forecasts show that in the next 30 years humans will be able to manage sufficient water supplies from runoff. 
C) in China,water shortages are a less serious problem than floods. 
D) it is predicted that by 2050 available water per person will decrease by 74%. 
E) water demands in rural areas continue to be a greater problem than in urban areas. 
A) it is predicted that by 2025 humans will not have adequate water. 
B) forecasts show that in the next 30 years humans will be able to manage sufficient water supplies from runoff. 
C) in China,water shortages are a less serious problem than floods. 
D) it is predicted that by 2050 available water per person will decrease by 74%. 
E) water demands in rural areas continue to be a greater problem than in urban areas.

Question 14

Which of the following would  decrease the rate at which evapotranspiration occurs?

Accepted Answer

A) increased temperatures 
B) increased wind speed 
C) increased humidity 
D) increased water availability 
E) decreased water availability 
A) increased temperatures 
B) increased wind speed 
C) increased humidity 
D) increased water availability 
E) decreased water availability

Question 15

Water could be pumped faster from a geologic unit composed of sand than from one composed of clay.

Accepted Answer

A) True 
 B)False

Question 16

Discuss the different aspects of groundwater storage and movement below the surface.Include the ways in which groundwater comes to the surface on its own,or is drawn to the surface by humans,along with the consequences.

Accepted Answer

The answer of Discuss the different aspects of groundwater storage...

Question 17

The amount of soil water associated with the wilting point of clay is greater than associated with sand and loam.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is normally true of a hot desert?

Accepted Answer

A) potential evapotranspiration exceeds actual evapotranspiration. 
B) actual evapotranspiration exceeds potential evapotranspiration. 
C) potential evapotranspiration equals actual evapotranspiration. 
D) it is impossible to say what the normal relationship between potential and actual evapotranspiration would be in a desert. 
E) there is no actual evapotranspiration in a hot desert. 
A) potential evapotranspiration exceeds actual evapotranspiration. 
B) actual evapotranspiration exceeds potential evapotranspiration. 
C) potential evapotranspiration equals actual evapotranspiration. 
D) it is impossible to say what the normal relationship between potential and actual evapotranspiration would be in a desert. 
E) there is no actual evapotranspiration in a hot desert.

Question 19

The same amount of rain can result in different field capacities depending upon the soil type.

Accepted Answer

A) True 
 B)False

Question 20

Precipitation normally includes rain,sleet,snow,dew,clouds,and fog.

Accepted Answer

A) True 
 B)False

Exam 9: Water Resources

Which of the following is true of ground water found between the surface and a depth of 4 km?

The hydrologic cycle

The High Plains aquifer irrigates about one-fifth of all U.S.cropland.

The term "cone of depression" refers to

Currently humans are using about ________ of the annual worldwide runoff.

The recharge zone for a confined aquifer is larger than that for an unconfined aquifer.

Potential evapotranspiration (P),when reduced by the deficit (D),yields the actual evapotranspiration value for a given time period.

Atmospheric water that is carried from the ocean to the land

Productive aquifers exist best under conditions of

When hygroscopic water is present,a surplus exists.

The lower limit of water in the zone of aeriation is the water table.

Which of the following is true of transpiration?

Which of the following is true?

Which of the following would decrease the rate at which evapotranspiration occurs?

Water could be pumped faster from a geologic unit composed of sand than from one composed of clay.

Discuss the different aspects of groundwater storage and movement below the surface.Include the ways in which groundwater comes to the surface on its own,or is drawn to the surface by humans,along with the consequences.

The amount of soil water associated with the wilting point of clay is greater than associated with sand and loam.

Which of the following is normally true of a hot desert?

The same amount of rain can result in different field capacities depending upon the soil type.

Precipitation normally includes rain,sleet,snow,dew,clouds,and fog.

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

Ecosystem Essentials

Terrestrial Biomes

Earth and the Human Denominator

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