5.1 Definitions Flashcards
1
Q
Closed system
A
When there is a transfer of energy but not matter between the system and it’s surrounding. There are no external inputs/outputs, any inputs come from within the system
2
Q
Flows (fluxes)
A
Measurements of the rate of flow between stores
3
Q
Processes
A
Are the physical mechanisms such as evaporation that drive the flows of water between the stores
4
Q
Stores (stocks)
A
Reservoirs where water is held, e.g. oceans
5
Q
Blue water
A
Water that is stored in rivers, streams, lakes and groundwater in liquid forms (visible)
6
Q
Green water
A
Water stored in the soil and vegetation (invisible)