unit 1 Flashcards
(30 cards)
Absolute distance
Distance that can be measured in feet or miles
Relative distance
Measures social, cultural, and political similarities or differences between two locations
Absolute direction
Cardinal directions (north, south, east, west)
Relative direction
Describes one location in reference to another
Map scale
Tells how distance on the map relates to distance in the real world
Reference maps
Display specific geographic locations
Thematic maps
Display geographic information
Choropleth map
Visualizes data from a specific geographic region in different colors
Cartogram map
Distorts the size of geographic shapes to display differences in data
Graduated symbol map
“Proportional map”. Symbols grow in proportion to the data represented
Dot distribution map
Uses dots to visualize the location of certain data points
Isoline map
Uses lines to depict changes in data
Mercator projection
Latitude and longitude meet at right angles. Distortion increases towards north and south poles.
Peters projection
Depicts continents according to true size of their landmass
Polar projection
View of the world from north or South Pole, obvious distortion as you move from the center
Robinson projection
Distributes distortion to all parts of the map; compromise between mercator and Peters
Quantitative data
Numbers based
Qualitative data
Characteristics or qualities
Geospatial technology
Hardware and software that can examine and measure geographical features on Earth
Geographic Information System (GIS)
Software which can manipulate geospatial data that can be used for research or problem solving
Absolute location
Indicates a precise geographical location on the Earth’s surface
Relative location
Describes one location in reference to another and usually measured in distance or time
Place
Describes the way humans modify a particular space to reflect who they are
Distance decay
The further apart two things are, the less connected they will be