30 terms

AP HUG Vocab Chpt 3

Activity Space
the space within which daily activity occurs
Chain Migration
migration of people to a specific location because relatives or members of the same nationality previously migrated there
short-term, repetitive, or cyclical movements that recur on a regular basis
distance decay function
The diminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origin.
migration from a location
migration to a location
forced migration
permanent movement compelled usually by cultural factors
voluntary migration
permanent movement undertaken by choice
gravity model
A mathematical formula that describes the level of interaction between two places, based on the size of their populations and their distance from each other.
internal migration
permanent movement within the same country
international migration
permanent movement from one country to another
intervening obstacle
An environmental or cultural feature of the landscape that hinders migration.
migration selectivity
Only people exhibiting certain characteristics in a population choosing to migrate.
the quality of moving freely
net migration rate
the difference between the level of immigration and the level of emigration
push factors
factors that induce people to leave old residences
pull factors
factors that induce people to leave old residences
people who are forced to migrate from thier home country and cannot return for fear of persecution because of thier race, religion, nationality, membership of a social group, of political opinion
interregional migration
movement from one region of a country to another
Awareness Space
knowledge of opportunity locations beyond normal activity space
Critical distance
the distance beyond which cost, effort, and/or means play a determining role in the willingness of the people to travel
an event that results in a displacement or discontinuity
movement into another region or community
Intervening opportunity
The presence of a nearer opportunity that greatly diminishes the attractiveness of sites farther away.
when people leave an area looking for jobs
Space-time prism
The set of all points that can be reached by an individual given a maximum possible speed from a starting point in space-time and an ending point in space-time.
Spatial interaction
the movement of people, goods and ideas within and across geographic space
Step Migration
migration to a distant destination that occurs in stages, for example, from farm to nearby village and later to a town and city
a seasonal periodic movement of pastoralists and their livestock between highland and lowland pastures
Voluntary Migration
Permanent movement undertaken by choice.