Chapter 17- Groundwater

Question 1

280 years is the Rate of Exchange for?

Answer 1

Groundwater

Question 2

7 years is the Rate of Exchange for?

Answer 2

Lakes

Question 3

11.3 days is the Rate of Exchange for

Answer 3

Rivers

Question 4

85% is the Percentage of freshwater for?

Answer 4

Glaciers

Question 5

14% is the Percentage of freshwater for?

Answer 5

Groundwater

Question 6

Pore spaces filled mainly with air, includes soil moisture is called

Answer 6

Zone of Aeration

Question 7

Pore spaces completely filled with water, water within the pores is called groundwater is called

Answer 7

Zone of Saturation

Question 8

Upper limit of zone of saturation is called?

Answer 8

Water table

Question 9

Humid climate, groundwater moves into channel is an example of?

Answer 9

Effluent Stream

Question 10

Arid climate, downward seepage from the stream channel to the water table is an example of

Answer 10

Influent stream

Question 11

8,000 years is the Rate of Exchange for?

Answer 11

Glaciers

Question 12

Proportion of void space in material, holes or cracks, expressed as percentage

Answer 12

Porosity

Question 13

Measure of how readily fluids pass through the material, based on how well holes or cracks are connected

Answer 13

Permeability

Question 14

High porosity + low permeability is an example of

Answer 14

Shale

Question 15

Low porosity + low permeability is an example of?

Answer 15

Granite

Question 16

High porosity + high permeability is an example of

Answer 16

Sandstone

Question 17

The Permeable rocks that freely transmits groundwater (sandstone,limestone, sand, gravel) is called

Answer 17

Aquifer

Question 18

The Impermeable layers (clay, shale, massive igneous rocks) is called

Answer 18

Aquiclude

Question 19

The Water table that intersects earth’s surface is called

Answer 19

Springs

Question 20

The Opening bored into the zone of saturation is called?

Answer 20

Wells

Question 21

The Drop in water table in vicinity of well is called?

Answer 21

Drawdown

Question 22

The Conical shaped drawdown of water table is called?

Answer 22

Cone of depression

Question 23

The Groundwater under pressure rises above level of aquifer is called?

Answer 23

Artesian Well

Question 24

Surface sinks, caused by heavy pumping of groundwater from sediment or drought that lowers water table are examples of?

Answer 24

Subsidence

Question 25

Coastal areas salt groundwater pumped toward coastal wells is called

Answer 25

Salt Water Contamination

Question 26

Septic tanks, inadequate and broken sewer lines, barnyard waste (bacteria, nitrate, and chemicals) is called?

Answer 26

Sewage

Question 27

Filtered by sand (filtered out, destroyed by oxidation or eaten other organisms) is?

Answer 27

Harmful Bacteria

Question 28

A harmful chemical to humans is?

Answer 28

Arsenic