Lec 4. environmental systems Flashcards
1
Q
what is the difference between an open and a closed system?
A
In a closed system, there is no actual material exchange, it is only energy.
2
Q
What are the three possible states of a system?
A
Steady state
Transient (increasing)
Transient (decreasing)
3
Q
draw out the hydrological Cycle linking (atmosphere, land and ocean)
A
ocean to atmosphere = evaporation
atmosphere to ocean = precipitation
atmosphere to land= precipitaion
land to atmosphere = evaporation
land to ocean = Runoff