Section C - Resource Management Flashcards
(14 cards)
How do fertilizers from farming cause water pollution?
When excess fertilizer is applied, it can run off into water bodies or leach into groundwater, carrying nutrients like nitrogen and phosphorus.
How do chemicals from industry contribute to water pollution?
Industrial processes discharge various chemicals into water sources through wastewater, spills, and runoff.
What is Desalination?
Involves extracting salt from seawater to create fresh drinking water. Extremely expensive process.
What are the harmful environmental impacts desalination has?
Salt waste can damage marine ecosystems and the high energy demand increases carbon emmissions.
What can dams be used for?
Used to generate electricity and help prevent river flooding downstream.
What are the impacts of water insecurity?
Waterborne diseases
Food shortages
Industrial output
Potential for conflict.
What is water conservation?
Involves reducing waste and using water more sparingly.
What are ways we can conserve water?
Installing water meters to reduce water usage.
Taking showers rather than baths
Drip irrigation instead of wasteful sprinkler systems.
Preventing water pollution
What is the aim of the south/north china water transfer project?
To move water from the relatively wet south of the country to the more arid north.
What are some advantages of this scheme?
(China project)
Reduces water insecurity in Northen China and promotes economic development.
Improvements in water quality will enable people to enjoy better health and be more productive at work.
What are the disadvantages of this scheme?
(China project)
Very expensive project with taxpayers having to pay.
Region is prone to earthquakes.
Why does Hitosa need a local water supply scheme?
there is limited water in Hitosa as it is located on hot, dry plains.
annual rainfall in the area is low.
What are some advantages of the hitosa scheme?
Reliable and safe water is now provided to over 65,000 people.
The project is managed by the local community.
What are some disadvantages of hitosa scheme?
The scheme will be too expensive to replace after its 30-year lifespan.
The risk of contracting a disease from standpipes is high.
