Systems in physical geography

what is a system ?

The interrelationship with biotic and abiotic factors within a particular environment.

What is an input ?

Material or energy entering the system from outside.

What is an output ?

Material or energy leaving the system.

What is a store ?

An accumulation or quantity of water or carbon.

what is a flow ?

The link or relationship between stores.

What is positive feedback ?

A cyclical sequence of events that amplifies or increases change. It exacerbates the output of a system, promoting environmental instability.

What is negative feedback ?

A cyclical sequence of events that neutralises the effects of a system, it promotes stability and dynamic equilibrium.

What is dynamic equilibrium ?

Represents a state of balance within a constantly changing system.

What is energy ?

The power or driving force.