Human Geo Boundaries and Diffusion

Expansion diffusion

The spread of innovation so that the number of people affected by that innovation grows continuously

Hierarchical diffusion

The spread of an idea through established structure usually from people or areas of power down to people or areas.

Contagious diffusion

The spread through a group of people or an area equally without regard to social class, economic position or position of power.

Stimulus diffusion

The spread of an underlying principle but without its particular traits due to cultural or other barriers to the movement of the ideas

Relocation diffusion

The actual movement of the original adopters from their point of origin, or hearth, and take their cultural attributes with them to a new place.

Migrant diffusion

When an innovation originates and enjoys strong, but brief, adoption there

Physical boundary

Follows a natural feature such as a river or a mountain

Geometric boundary

Drawn as straight lines that sometimes follow latitude and longitude

Cultural boundary

based on one or more cultural traits such as religion or ethnicity

Relic boundary

A boundary that used to exists but is no longer recognized as an official boundary

Subsequent boundary

Drawn after a population has been established and evolves with a growing population

Demarcated/fortified boundary

A boundary that is established to separate 2 places military is often present at the border

Superimposed

Chosen by an outside power that doesnt take into account cultural diversity

Antecedent boundary

Drawn prior to the settlement