Water Insecurity, Strategies To Increase Supply And Sustainable Uses Of Water Flashcards
What is the most polluted river in the world?
River Ganges
How many litres of untreated waste do factories discharge daily into the river Ganges?
260 million litres
Why are NEEs, such as China, increasing their water demand?
Increased industrial output
What percentage of global water supply does agriculture use?
70%
Give two waterborne diseases.
Cholera and dysentery
Where is there conflict with regard to water shortages/insecurity?
River Jordan - border of Israel and Jordan, also runs through Syria and lebanon. They all have water insecurity and compete for water
Give two advantages and disadvantages of dans/reservoirs.
Control/store water and used for irrigation
Displacement of people and economic costs
What are water transfer schemes?
Redistribute water from areas le surplus to deficit
Define desalination and give an example of where it occurs.
Removing salt from seawater to produce fresh water. Saudi Arabia/UAE
Give two ways we can conserve water at home.
Low flow shower heads
Recycle rainwater to water the garden
Which type of irrigation is more sustainable?
Drip irrigation
What happens if groundwater supplies become too low?
Contamination which is expensive to treat
Describe water recycling.
Resuming treated domestic or industrial wastewater for useful purposes like irrigation and industrial processes
What is grey water and why is it useful?
Taken from bathroom sinks, baths, showers and washing machines. If used within 24 hours it can be a valuable fertiliser for plants/irrigation
