Increasing Sustainability By Economical Use And The Exploitation Of New Sources Flashcards
How does a water meter work
The customer is billed on how much water they actually use
Encourages users to use less or they pay more
How can more efficient appliances save water
As they use less water but still provide the same services
What is rainwater catchment
Simple as have a water butt to store run off
When rainwater is caught and stored in case it’s needed in a dry period
Why might rainwater be better than river water
Rainwater is cleaner as it does not contain chemicals from factories or surface runoff from roads
What is grey water
Wastewater from homes and businesses that don’t contain faecal matter
Water from sinks and showers
What colour pipe has to be used for grey water
Purple
Why are reservoirs good for water supply
They allow you store water in times if surplus for when it’s needed
What is an estuary barrage
Building a dam across where a river enters the sea
What are the benefits of estuary barrages
Land doesn’t need to be flooded so less conflict with land owners
What issues arrive from estuary barrages
Yangtze dolphin forced into supposed extinction
Affects shipping routes
Why are many aquifers left unexploited
Found mainly in Africa possibly because of lack of infrastructure or they are harder to abstract from
8km for water gold mine 4km
What is inter-basin transfers
Involves moving water from one area to another
This is bad environmentally as water is taken from its original source affecting flow
What are some types of low water use appliances
Dual flush toilet
Variable shower head
Where is water catchment important
In India
Why is water catchment important in India
As they have monsoon with lots of rain fall followed by dry periods
