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Unit 1
Intro to AP Human Geography
19
Geography
10th Grade
09/09/2010

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Term
Contagious Diffusion
Definition
the distance-controlled spreading of an idea, innovation, or some other item through a local population by contact from person to person—analogous to the communication of a contagious illness.
Term
 Hierarchical Diffusion
Definition
a form of diffusion in which an idea or innovation spreads by passing first among the most connected places or peoples. an urban hierarchy is usually involved, encouraging the leapfrogging of innovations over wide areas, with geographic distance a less important influence.
Term
Stimulus Diffusion
Definition
a form of diffusion in which a cultural adaptation is created as a result of the introduction of a cultural trait from another place.
Term
Absolute Direction
Definition

the direction of place in reference to a map including the Earth's entire surface

Term
Absolute distance
Definition

the length of a path in space extending from one point to another

Term
Relative distance
Definition

distance relative to a specified reference point, usually one in motion

Term
Environmental determinism
Definition

the view that the natural environment has a controlling influence over various aspects of human life, including cultural development. Also referred to as environmentalism.

Term
Absolute location
Definition

the position or place of a certain item on the surface of the Earth as expressed in degrees, minutes, and seconds of latitude, 0°to 90° north or south of the equator, and longitude, 0°to 180° east or west of the Prime Meridian passing through Greenwich, England (suburb of London)

Term
Situation
Definition
the external locational attributes of a place; it relative location or regional position with reference to other nonlocal places
Term
Place
Definition
name-the 4th theme of geography as defined by the Geography Educational National Implementation Project
Term
Possibilism
Definition
geographic viewpoint—a response to determinism—that holds that human decision making, not the environment, is the crucial factor in cultural development.
Term
Formal/uniform Region
Definition
- formal region is an area that is uniform in characteristics
Term
Functional/nodal Region
Definition

A type of region characterized by its function such as a city-region or a drainage basin.

Term
Accessibility
Definition
the degree of ease with which it is possible to reach a certain location from other locations. Accessibility varies from place to place and can be measured.
Term
Connectivity
Definition
the degree of direct linkage between one particular location and other locations in a transport network.
Term
Distance decay
Definition

the effects of distance on interaction, generally the greater the distance the less interaction

Term
Thematic map
Definition
maps that tell stories, typically showing the degree of some attribute or the movement of a geographic phenomenon.
Term
Statistical map
Definition

A special type of map in which the variation in quantity of a factor such as rainfall, population, or crops in a geographic area is indicated; a dot map is one type.

Term
Cartogram map
Definition

A presentation of statistical data in geographical distribution on a map.

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