Water Case Studies

Question 1

Rainforest

How much of the Amazon has been deforested?

Answer 1

20%

Question 2

Rainforest

In a forest environment, how much water is returned to the cycle through EVT versus when it is cleared?

Answer 2

75% compared to 20%

Question 3

Rainforest

How much rainforest is being cleared every minute?

Answer 3

A football pitch worth

Question 4

Rainforest

How much of the world’s fresh water comes from the Amazon?

Answer 4

20%

Question 5

Rainforest

When did the first wave of deforestation begin in the Amazon?

Answer 5

1970s

Question 6

Amazon River

How many countries does the river support?

Answer 6

5

Question 7

Amazon River

What is the driest month in the Amazon Basin?

Answer 7

August

Question 8

Amazon River

How much is the rainfall during the dry season?

Answer 8

2 Inches

Question 9

Amazon River

How much is the rainfall per month in the wet season?

Answer 9

8 inches

Question 10

Amazon River

On the average day, how much moisture do the trees of the Amazon reduce?

Answer 10

20 billion tonnes

Question 11

Amazon River

What is a feature of the underlying soil in the Amazon?

Answer 11

It is very dense and nutrient heavy

Question 12

2007 floods

How much economic damage did the River Severn Cause?

Answer 12

£6 million

Question 13

2007 floods

How many people in Upton died because of the floods?

Answer 13

12

Question 14

2007 floods

How many homes were effected in Tewkesbury?

Answer 14

48,000

Question 15

2007 floods

How high above normal levels did the river flood in Worcester?

Answer 15

4.5 metres

Question 16

Nile

How many people rely on the Nile’s water?

Answer 16

200 million people

Question 17

Nile

How many countries does the Nile run through? Name 2?

Answer 17

11
Egypt and Ethiopia

Question 18

Nile

How much water from the Nile does Egypt depend on?

Answer 18

95%

Question 19

Nile

What was the Nile Basin Initiative and when was it signed?

Answer 19

1999

Enhanced cooperation over the water sources of the Nile between affected countries.

Question 20

Drought

In 1999, how many people needed food in Ethiopia due to shortages caused by drought?

Answer 20

10 million

Question 21

Drought

How much of Ethiopias rain falls in summer?

Answer 21

85%

Question 22

Drought

When did the big Dry occur in Australia?

Answer 22

2006

Question 23

Drought

How much did reservoirs in Australia fall to during the Big Dry?

Answer 23

40% of their capacity

Question 24

Drought

What was the impact of the water restrictions in Australia?

Answer 24

Melbourne’s water consumption fell by 16% in 2007 compared to 2006

Question 25

Nile In April 2011 which water project was announced?

Answer 25

Grand Ethiopia Renaissance Dam

Question 26

Nile When did Egypt agree to the Grand Ethiopia Dam?

Answer 26

March 2015

Question 27

Water Management How much water does Desalination in China produce per day?

Answer 27

14 million cubic metres

Question 28

Water Management How many people were protected downstream due to the 3 Gorges dam?

Answer 28

100 million people

Question 29

Water Management How many people forced to relocate due to the 3 Gorges dam?

Answer 29

1.3 million people

Question 30

Water Management How many emissions do desalination plants produce?

Answer 30

The same as 350 million cars

Question 31

Water Management What have the National Water Agency in Singapore invested in?

Answer 31

Local catchment water - collecting rainwater through a network of drains

Question 32

Flooding How many people have been affected by flooding since 1990?

Answer 32

3 billion

Question 33

Flooding Name a water Bourne disease?

Answer 33

Cholera

Question 34

Nile What is the 1929 Nile agreement?

Answer 34

The agreement that gave most of the water allocation to Egypt and Sudan

Question 35

When did China begin the South-North water redirection plan? How much is it expected to cost?

Answer 35

2003 $100 billion

Question 36

What % of Dams globally are in China?

Answer 36

46%

Question 37

What company encourage water conserving farming practices in Africa?

Answer 37

Farm Africa

Question 38

How much water is expected to be saved on the North China Plain from sustainable irrigation?

Answer 38

25%

Question 39

Which river did the US army restore in Florida? How much was restored?

Answer 39

Kissimmee Over 100 square km

Question 40

Oceans contain what % of all water and what % of fresh water?

Answer 40

97% 0%

Question 41

Ice caps contain what % of all water and what % of fresh water?

Answer 41

1.9% 68.7%

Question 42

Ground water contain what % of all water and what % of fresh water?

Answer 42

1.1% 30.1%

Question 43

What % of all precipitation removal in arid/semi arid areas does EVT account for?

Answer 43

Nearly 100% 75% in humid areas

Question 44

In 2014, how many cloud seeding missions were there in Dubai?

Answer 44

187

Question 45

How long does it take for run off to stop on recently afforested land?

Answer 45

30 years

Question 46

By 1994 how much had the surface of the Aral Sea declined by? Why?

Answer 46

50% Soviet Irregation use

Question 47

How long can mid latitude anticyclones block precipitation for in the UK? What droughts did they cause

Answer 47

2 weeks 2010/2012

Question 48

When was the Millennium drought in Australia?

Answer 48

1997-2009

Question 49

What is the hottest temperature ever recorded in the UK?

Answer 49

40.3°c

Question 50

What is an example of a wetland?

Answer 50

Everglades in Florida

Question 51

How long do trees take to recover to their normal growth after drought?

Answer 51

1-4 years

Question 52

During the 2000-2003 droughts in Piñon Pines (USA) how many pines died because they were more susceptible to beetle attacks?

Answer 52

90% in some areas

Question 53

In 2015, how many people in Myanmar died due to Monsoon flooding?

Answer 53

103

Question 54

Which Siberian river floods due to snowmelt?

Answer 54

Ob

Question 55

What % of the world’s population live in areas receiving 25% of annual rainfall?

Answer 55

66%

Question 56

In China, how many people use contaminated water each day?

Answer 56

300 million

Question 57

Until recently, what % of abstractions were for agriculture?

Answer 57

70%

Question 58

Why is LA water expensive?

Answer 58

Because it comes from Colorado and therefore has to travel through pipes for miles

Question 59

How much higher are costs in Manila than normal due to informal vendors controlling supply?

Answer 59

4x

Question 60

How many litres of water needed for 1kg of beef in China?

Answer 60

17,850

Question 61

What % of water is used in energy production?

Answer 61

20%

Question 62

Where in the UK was there conflict over dam building?

Answer 62

Kielder Northumberland

Question 63

What Tanzanian river did stakeholders disagree about the management of?

Answer 63

Great Ruaha River

Question 64

What percent of all tube wells in Bangladesh were found to have arsenic in?

Answer 64

20%

Question 65

Where is saltwater encroaching into aquifers?

Answer 65

Los Angeles Basin