Systems and Models Flashcards
1
Q
Attributes
A
Characteristics of the element
2
Q
Open System
A
Both mass and energy are allowed to transfer across a the interface. (drainage basin)
3
Q
Closed System
A
Only energy is allowed to transfer across the interface. (carbon and water cycle)
4
Q
Feedback
A
If inputs or outputs are suddenly changed then stores are forced to upset the equilibrium.
5
Q
… Systems work on a balance of inputs and outputs.
A
Dynamic Equilibrium.
6
Q
What is the difference between negative and positive feedback
A
Negative leads to something less than it was before.
Positive leads to something more than it was before.
7
Q
Albedo
A
Amount of reflection of the suns radiation from the Earths surface.
8
Q
Subsystem
A
A set of elements, which is a system itself, and a part of a larger system.
