Water Resources Lec.6

Question 1

For how long does Joaquin River run dry?

Answer 1

40mi

Question 2

Is the water on earth leaving or being redistributed?

Answer 2

Redistributed

Question 3

What percent of people do not have enough water?

Answer 3

10%

Question 4

What percentage of people must drink and bathe in water that isn’t sanitary?

Answer 4

40%

Question 5

What percentage of water is available for use?

Answer 5

1/100 of 1%

Question 6

What percentage of water is held in glaciers?

Answer 6

35 mil cubic kilometers

Question 7

Linkage of all marine and freshwater aquatic environments; process of water travel from atmosphere to earth to atmosphere

Answer 7

Hydrological cycle

Question 8

What happens to toxins during the Hydrological cycle?

Answer 8

They’re picked up, transported, or eliminated

Question 9

The land area surrounding a body of water over which water could floe and potentially enter the body of water

Answer 9

Watershed

Question 10

The WHO
estimates…

Answer 10

-2 bil people don’t have clean water
-265 mil gallons of sewage enter Gange R. Daily
-3000 people die from water borne illnesses daily in Africa
- 2/3 people will face water shortages by 2025

Question 11

Whereis water in the US being used?

Answer 11

Agriculture(70%), Industry(22%), Domestic (8%)

Question 12

In many developing nations what do people use to meet their basic needs?

Answer 12

Nearby surface water

Question 13

An underground region of soil or porous rock which is saturated with water

Answer 13

Aquifer

Question 14

The process of water soaking into the ground

Answer 14

Infiltration

Question 15

The top of the underground water-saturated region

Answer 15

Water table

Question 16

Fresh water is replaced by salt water

Answer 16

Salt water intrusion

Question 17

Do full freshwater aquifers tke in sea water ?

Answer 17

No

Question 18

Where does Georgia get most of their water?

Answer 18

ACT
ACF river basins

Question 19

How to solve the water demand in Georgia?

Answer 19

Damming rivers and creating reservoirs

Question 20

What are the benefits of damming rivers and creating reservoirs?

Answer 20

Source of freshwater
Flood control
Electricity production
Boating, fishing, and other recreation

Question 21

What are downsides of damming rivers and creating reservoirs?

Answer 21

Evaporation
Others live downstream from us

Question 22

What percentage of metro Atlanta’s water is from rivers, lakes, and streams?

Answer 22

99%

Question 23

What are the man-made reservoirs in Atlanta?

Answer 23

Lake Lanier (ACF) and Lake Allatoona(ACT)

Question 24

Who are the players in the tristate war

Answer 24

Georgia, Alabama, Florida

Question 25

Who are the players in the 2 decade long Tri State War?

Answer 25

Georgia, Alabama, and Florida

Question 26

How can water usage be reduced?

Answer 26

New water-efficient technologies waste water Buying and using less energy

Question 27

A massive hydroelectric dam that spans the Yangtze R. And is the worlds largest power station

Answer 27

Three Gorges Dam

Question 28

What does the gorges dam do?

Answer 28

Produces electricity Increased shipping capacity reduced the potential for floods downstream (water shortage space)

Question 29

Down sides of gorges damn

Answer 29

Relocated 1.2 mil people Freshwater fish affected Earthquake Sediment settles

Question 30

Balancing water budget…?

Answer 30

Increase reserves And we can Reduce withdrawals (conservation, grey water, landscape architecture)

Question 31

Pre urban evaporation and transpiration

Answer 31

Pre: 40% evaporated 10% surface runoff 50% ground water

Question 32

Urban evaporation and transpiration

Answer 32

25% evaporation 43% surface run off 32% groundwater

Question 33

Water conservation tricks

Answer 33

Trees Green roof Downspout Rain barrel Permeable pavers Rain gardens Storm drain Curb cutouts

Question 34

In 1969 were there laws regulating what could be discharged into waterways

Answer 34

No

Question 35

Which river was on fire

Answer 35

The cuyahoga river

Question 36

Are sources of water pollution hard to pinpoint

Answer 36

Yes

Question 37

Can be attributed to a certain place

Answer 37

Point source

Question 38

A variety of sources contribute pollutants that can run off the surface of the land during rainfall and enter the water; air pollutants can fall directly with the rain

Answer 38

Non point source

Question 39

Some industrial and agricultural sources discharge pollutants directly into a body of water

Answer 39

Point sources

Question 40

Water shed includes what percent of the land in the lower 48 states?

Answer 40

1/3 or 33.3 %

Question 41

What is the water shed land used for?

Answer 41

Agriculture

Question 42

What causes a dead zone/ hypoxic area?

Answer 42

Excess nitrogen flowing into a body of water

Question 43

A plot of land adjacent to a body of water that is affected by the water’s presence and that affect the water itself

Answer 43

A riparian area

Question 44

How to protect riparian areas?

Answer 44

Planting vegetated buffer zones that slow runoff

Question 45

They store nutrients in their tissue reducing the amount free to enter the water

Answer 45

Plants are nutrient sinks

Question 46

Stabilize banks and prevent erosion and the deepening of the channel

Answer 46

Plant roots

Question 47

Slows runoff and allows water to soak into the ground

Answer 47

Ground vegetation

Question 48

Cools water; cooler water can hold more oxygen

Answer 48

Shade

Question 49

Provide food

Answer 49

Trees

Question 50

Clean water act (established pollution standards)

Answer 50

1972