Question 1

An unconfined water table is the __________.

Accepted Answer

A) boundary between the saturated zone above and partly saturated zone below 
B) boundary between the aerated and unsaturated zones 
C) bottom boundary surface of the saturated zone above an aquitard 
D) boundary between the aerated zone above and saturated zone below 
A) boundary between the saturated zone above and partly saturated zone below 
B) boundary between the aerated and unsaturated zones 
C) bottom boundary surface of the saturated zone above an aquitard 
D) boundary between the aerated zone above and saturated zone below

Question 2

How would you recognize areas of karst topography on a topographic map without knowing the local bedrock geology? Also, what features of karst topography on a topographic map might be misinterpreted as some other geologic feature?

Accepted Answer

Evidence of karst topography:

Question 3

__________are specific features of karst topography.

Accepted Answer

A) Streams flowing into depressions and continuing underground 
B) Numerous artesian wells in a given area 
C) Perennial, influent streams fed by large springs 
D) Perched water table springs on hillsides 
A) Streams flowing into depressions and continuing underground 
B) Numerous artesian wells in a given area 
C) Perennial, influent streams fed by large springs 
D) Perched water table springs on hillsides

Question 4

What term describes a stream from which water is infiltrating downward to the water table?

Accepted Answer

The answer of What term describes a stream from which...

Question 5

Which of the following best describes how geysers erupt?

Accepted Answer

A) Water below the water table slowly boils in a vertical crack or natural conduit, causing a plume of condensed water vapor to rise above the vent. 
B) Water suddenly boils in disconnected voids and cracks above the water table, causing the aquifer to explosively fragment. 
C) With a slight reduction in pressure, water in a saturated, natural conduit suddenly boils, sending a plume of steam and hot water into the air above the vent. 
D) Water slowly boils in a network of vertical cracks above the water table, sending up a plume of steam and hot water. 
A) Water below the water table slowly boils in a vertical crack or natural conduit, causing a plume of condensed water vapor to rise above the vent. 
B) Water suddenly boils in disconnected voids and cracks above the water table, causing the aquifer to explosively fragment. 
C) With a slight reduction in pressure, water in a saturated, natural conduit suddenly boils, sending a plume of steam and hot water into the air above the vent. 
D) Water slowly boils in a network of vertical cracks above the water table, sending up a plume of steam and hot water.

Question 6

What type of topography is illustrated in the diagram below?

Accepted Answer

The answer of What type of topography is illustrated in...

Question 7

A perched water table develops when__________ .

Accepted Answer

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

Question 8

The hot spring deposits at Mammoth Hot Springs, Yellowstone National Park, are travertine. What rock probably lies somewhere beneath the hot springs?

Accepted Answer

A) shale 
B) limestone 
C) rhyolite 
D) quartzite 
A) shale 
B) limestone 
C) rhyolite 
D) quartzite

Question 9

A stream is said to be a losing stream when ___________ .

Accepted Answer

A) the channel bottom is above the local water table 
B) the local water table is above the channel bottom 
A) the channel bottom is above the local water table 
B) the local water table is above the channel bottom

Question 10

__________would have the largest capacity to naturally remove sewage pollutants.

Accepted Answer

A) Fractured granite 
B) Limestone with solution channels and caverns 
C) Well- sorted, coarse gravel 
D) Slightly clayey sand 
A) Fractured granite 
B) Limestone with solution channels and caverns 
C) Well- sorted, coarse gravel 
D) Slightly clayey sand

Question 11

Which of the following statements is TRUE concerning unconfined aquifers in urbanized coastal areas?

Accepted Answer

A) The water table must be 40 feet above sea level to keep the salty water in the aquifer below sea level. 
B) Any salty water in the aquifer will rise if the water table is lowered by pumping. 
C) Wells drilled below sea level will produce only saline water. 
D) Pumping freshwater from one, large capacity well is much less likely to cause salty water to rise in the aquifer than pumping from several, widely spaced, smaller capacity wells. 
A) The water table must be 40 feet above sea level to keep the salty water in the aquifer below sea level. 
B) Any salty water in the aquifer will rise if the water table is lowered by pumping. 
C) Wells drilled below sea level will produce only saline water. 
D) Pumping freshwater from one, large capacity well is much less likely to cause salty water to rise in the aquifer than pumping from several, widely spaced, smaller capacity wells.

Question 12

Which one of the following concerning artesian wells is NOT true?

Accepted Answer

A) The well penetrates an aquifer overlain by an aquitard. 
B) The well penetrates an aquifer underlain by an impermeable bed. 
C) When the well penetrates the aquifer, the water rises to the bottom of the aquitard above the aquifer. 
D) The aquifer is generally inclined, and it is saturated to an elevation above the point where the well penetrates the aquifer. 
A) The well penetrates an aquifer overlain by an aquitard. 
B) The well penetrates an aquifer underlain by an impermeable bed. 
C) When the well penetrates the aquifer, the water rises to the bottom of the aquitard above the aquifer. 
D) The aquifer is generally inclined, and it is saturated to an elevation above the point where the well penetrates the aquifer.

Question 13

The unsaturated zone__________ .

Accepted Answer

A) lies above the water table 
B) lies below the capillary fringe zone 
C) is a well- oxygenated, shallow aquifer 
D) pore spaces are filled with water 
A) lies above the water table 
B) lies below the capillary fringe zone 
C) is a well- oxygenated, shallow aquifer 
D) pore spaces are filled with water

Question 14

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) unconsolidated medium- grained sand; sand grains are coated with clay minerals 
B) limestone; numerous solution channels and fractures widened by dissolution 
C) lakebeds; unconsolidated very fine- grained sand and silt 
D) sandstone; well- cemented with a few, widely spaced vertical fractures 
A) unconsolidated medium- grained sand; sand grains are coated with clay minerals 
B) limestone; numerous solution channels and fractures widened by dissolution 
C) lakebeds; unconsolidated very fine- grained sand and silt 
D) sandstone; well- cemented with a few, widely spaced vertical fractures

An unconfined water table is the __________.

How would you recognize areas of karst topography on a topographic map without knowing the local bedrock geology? Also, what features of karst topography on a topographic map might be misinterpreted as some other geologic feature?

__________are specific features of karst topography.

What term describes a stream from which water is infiltrating downward to the water table?

Which of the following best describes how geysers erupt?

What type of topography is illustrated in the diagram below?

A perched water table develops when__________ .

The hot spring deposits at Mammoth Hot Springs, Yellowstone National Park, are travertine. What rock probably lies somewhere beneath the hot springs?

A stream is said to be a losing stream when ___________ .

__________would have the largest capacity to naturally remove sewage pollutants.

Which of the following statements is TRUE concerning unconfined aquifers in urbanized coastal areas?

Which one of the following concerning artesian wells is NOT true?

The unsaturated zone__________ .

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

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters

Exam 14: Groundwater

An unconfined water table is the __________.

How would you recognize areas of karst topography on a topographic map without knowing the local bedrock geology? Also, what features of karst topography on a topographic map might be misinterpreted as some other geologic feature?

__________are specific features of karst topography.

What term describes a stream from which water is infiltrating downward to the water table?

Which of the following best describes how geysers erupt?

What type of topography is illustrated in the diagram below?

A perched water table develops when__________ .

The hot spring deposits at Mammoth Hot Springs, Yellowstone National Park, are travertine. What rock probably lies somewhere beneath the hot springs?

A stream is said to be a losing stream when ___________ .

__________would have the largest capacity to naturally remove sewage pollutants.

Which of the following statements is TRUE concerning unconfined aquifers in urbanized coastal areas?

Which one of the following concerning artesian wells is NOT true?

The unsaturated zone__________ .

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

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters