Chapter 15

1.

1 point

Minnesota is the Land of 10,000 Lakes. What can we conclude about water tables in the state?

Water tables in Minnesota are deep and well below the surface.

Minnesota has more water stored in lakes than in ground water.

Water tables in Minnesota are shallow and near the surface.

Minnesota has limited ground water.

2.

1 point

The Pierre Shale, a shale rock layer with low porosity and low permeability, lies beneath most of the state of North Dakota. What can we conclude about available ground water in North Dakota?

We cannot determine anything about the amount of available ground water.

The state has abundand available ground water.

The state has very limited available ground water.

3.

1 point

What is the correct relationship regarding the global supply of freshwater and the global demand for freshwater?

water supply is decreasing; water demand is increasing

water supply is increasing; water demand is decreasing

water supply is decreasing; water demand is constant

water supply is constant; water demand is increasing

4.

1 point

If the surface infiltration capacity was to decrease, and surface precipitation was to remain unchanged, what would happen to overland runoff?

it would remain unchanged

it would increase

it would decrease

5.

1 point

Which rock type is associated with karst topography?

basalt

granite

limestone

sandstone

6.

1 point

Which relationship is correct regarding the recharge of ground water by precipitation and the removal of ground water by pumping in the Ogallala Aquifer in the United States Great Plains over the past 50 years?

precipitation recharge < human pumping

precipitation recharge = human pumping

precipitation recharge > human pumping

7.

1 point

Excessive pumping of ground water over time can lead to what environmental problem?

contamination of the ground water supply

the formation of artesian wells

land subsidence

a rising water table that can saturate surface soils

8.

1 point

Karst topography is a landscape comprised of what type of rock?

shale

sandstone

limestone

basalt

9.

1 point

Which of the following is NOT a result of human urbanization of drainage basins?

The volume of stream discharge increases.

Infiltration of surface water to ground water storage decreases.

The peak discharge of a 100-year flood increases.

The duration of time for water to drain from the land takes longer.

10.

1 point

An aquifer stores, transports, and yields significant quantities of ground water. What are the properties of a good aquifer?

high porosity and high permeability

low porosity and high permeability

high porosity and low permeability

low porosity and low permeability

11.

1 point

What do we call the boundary that separates the saturated zone from the unsaturated zone beneath the surface of Earth?

influent line

water table

saturation contact

aquiclude

12.

1 point

What force controls the movement of ground water?

pressure gradient force

gravitational force

capillary force

coriolis force

13.

1 point

Excessive pumping of groundwater over time may lead to which of the following environmental issues?

lowering of groundwater table depth

land subsidence

all of the above

reduced base flow to streams

14.

1 point

Water that completely fills the open spaces between soils particles/rocks and which flows by gravity is called:

hygroscopic water

soil water

capillary water

ground water

15.

1 point

The volume of water flowing past a cross-section of a river (cubic meters of water per second) is known as:

stream competance

stream slope

stream velocity

stream discharge

16.

1 point

Which is the largest source of non-frozen and available fresh water in the world?

Lakes

Rivers

Ground water

Soil moisture

17.

1 point

Which topographic feature is NOT created by the effects of flowing ground water in regions of Karst topography?

disappearing streams

calderas

caves and caverns

sinkholes

18.

1 point

What is infiltration?

The rate of movement of water beneath the soil surface toward the water table

The rate of movement of water below the water table

The rate at which precipitation reaches the surface

The rate at which water passes through the soil surface into the soil subsurface