1.a. costal landscapes can be veiwed as systems

Question 1

define systems

Answer 1

Systems - group of related components. ‘Open’ systems (having inputs and outputs)

Question 2

define Equilibrium

Answer 2

Equilibrium - state of balance within a system

Question 3

define feedback

Answer 3

Feedback - an automatic response to change within a system {positive feedback leads to further change} {negative feedback reduces effects of change}

Question 4

define thresh hold

Answer 4

Threshold - critical ‘tipping points’ in a system.

Question 5

how are coasts open systems?

Answer 5

they have:
- inputs e.g. energy, sediment.
- Stores or components e.g. energy, water.
- Processes e.g. weathering, erosion, mass movement.
- Throughput e.g. energy, sediment, water
- Outputs e.g. energy, sediment