Key Terminology Flashcards
What is residence time
The average amount of time a water molecule stays in a place/ residence
What is transfer rate
How much water moves over a period of time
E.g - molecules per minute
litres per second
What is Abstraction
The process of taking water from a natural reservoir for human use
What is a water footprint
Indicator that measures the volume of fresh water needed to produce goods and services demanded by society
What is Reservoir
An artificial lake where water is stored
Aquifer
A body of permeable rock which can contain or transmit groundwater
What are the seven reservoirs of water
- Oceans
- Land Ice
- Groundwater
- Lakes and rivers
- Soil moisture
- Atmosphere
- Living organisms
What is turbidity
A measure of water clarity. High turbidity makes water appear cloudy or muddy
Where does the energy come from that drives the water cycle
The sun as it causes evaporation