1.02 notes- maps and geographic data

Purpose of a map

To store and communicate information.

Cognitive map

A 'mind map' that is open to interpretation.

Reference map

Shows political or physical features related to human geography.

Thematic map

Illustrates one or more characteristics in an area.

Cartogram map

Uses space to show data comparatively.

Choropleth map

Uses color to indicate characteristics in a geographic area.

Dot map

Uses dots/points to show the location of a phenomenon.

Flow line map

Uses arrows to indicate direction and quantity of movement with width indicating amount.

Proportional symbol map

Uses the size of symbols to indicate extent.

Visualization map

Utilizes software to create a 3D representation of Earth's surface.

Absolute distance

The exact measurement of space between two locations.

Relative distance

The measurement of space that considers factors like social, cultural, and economic connections.

Planar/azimuthal projection

Shows Earth from a central point, distorting size and shape.

Conical projection

Places a cone over the Earth, accurately depicting shape but distorting edges.

Cylindrical projection

Uses a cylindrical surface to project the Earth, distorting shape at poles and equator.

Cultural bias

A focus that is centric to one area, often disregarding others.

Remote sensing

Uses satellites to show agricultural practices or urban growth.

GIS (Geographic Information System)

Stores, displays, and retrieves data about an area for mapping and analysis.

GPS (Global Positioning System)

Uses satellites and receivers to identify the precise position of objects on Earth.