Introduction to Maps

These flashcards cover key concepts and types of maps introduced in the lecture.

Reference Maps

Maps that provide general information about places, including political, physical, and road maps.

Thematic Maps

Maps that show spatial aspects of data or a phenomenon, such as population distribution or climate.

Choropleth Map

A thematic map that uses various colors or patterns to show the location and distribution of data.

Dot-Density Map

A map that shows specific locations and distributions, with each dot representing a specified quantity.

Graduated Symbol Map

A map that uses symbols of different sizes to indicate varying amounts of something.

Cartogram

A map where the size of countries or regions is shown according to a specific statistic, altering political boundaries.

IsoLINE Map

Maps that use wavy lines to connect points of equal value, showing variations in data or elevation.

Map Projections

Methods of representing the curved surface of the Earth on a flat map, which can distort shape, area, distance, or direction.

SADD

An acronym for the four types of distortions in map projections: Shape, Area, Distance, and Direction.

Absolute Distance

The exact measurement of the space between two locations, typically expressed in miles or kilometers.

Relative Distance

A measure of distance based on the time or cost taken to travel between locations, considering other relational factors.

Spatial Patterns

The arrangement of data across a space, including clustering, dispersal, and linear arrangements.

Political Map

A map that focuses on human-created boundaries such as states, countries, and capitals.

Physical Map

A map that highlights natural features such as mountains, rivers, and deserts.

Scale

The relationship between distances on a map and the actual distances in the real world.