Water Case Studies Flashcards
Rainforest
How much of the Amazon has been deforested?
20%
Rainforest
In a forest environment, how much water is returned to the cycle through EVT versus when it is cleared?
75% compared to 20%
Rainforest
How much rainforest is being cleared every minute?
A football pitch worth
Rainforest
How much of the world’s fresh water comes from the Amazon?
20%
Rainforest
When did the first wave of deforestation begin in the Amazon?
1970s
Amazon River
How many countries does the river support?
5
Amazon River
What is the driest month in the Amazon Basin?
August
Amazon River
How much is the rainfall during the dry season?
2 Inches
Amazon River
How much is the rainfall per month in the wet season?
8 inches
Amazon River
On the average day, how much moisture do the trees of the Amazon reduce?
20 billion tonnes
Amazon River
What is a feature of the underlying soil in the Amazon?
It is very dense and nutrient heavy
2007 floods
How much economic damage did the River Severn Cause?
£6 million
2007 floods
How many people in Upton died because of the floods?
12
2007 floods
How many homes were effected in Tewkesbury?
48,000
2007 floods
How high above normal levels did the river flood in Worcester?
4.5 metres
Nile
How many people rely on the Nile’s water?
200 million people
Nile
How many countries does the Nile run through? Name 2?
11
Egypt and Ethiopia
Nile
How much water from the Nile does Egypt depend on?
95%
Nile
What was the Nile Basin Initiative and when was it signed?
1999
Enhanced cooperation over the water sources of the Nile between affected countries.
Drought
In 1999, how many people needed food in Ethiopia due to shortages caused by drought?
10 million
Drought
How much of Ethiopias rain falls in summer?
85%
Drought
When did the big Dry occur in Australia?
2006
Drought
How much did reservoirs in Australia fall to during the Big Dry?
40% of their capacity
Drought
What was the impact of the water restrictions in Australia?
Melbourne’s water consumption fell by 16% in 2007 compared to 2006
Nile
In April 2011 which water project was announced?
Grand Ethiopia Renaissance Dam
Nile
When did Egypt agree to the Grand Ethiopia Dam?
March 2015