Unit 1 Flashcards
Reference map
Shows general information/navigation/location. Ex: political, physical, road
Thematic map
Communicate information about a place - spatial aspects - what is it like?
Chloropleth map
Use various colors/shades to show location/distribution of spatial data
Dot-density map
Each dot represents a specified quantity of spatial characteristic (same size)
Graduated proportional symbol map
Use symbols of different sizes to indicate different amounts of variable
Cartogram map
The sizes of countries are shown according to specific variable. Area distorted to show variable.
Isoline map
Use lines that connect points of equal value to depict variations in data across space. Ex: weather, elevation.
Absolute location
Exact location (coordinates)
Relative location
Location in relation to other object
Absolute distance
Exact distance
Relative distance
Distance in relation to other things
Absolute direction
Exact direction
Relative direction
Direction in relation to other things
Clustering
Density: the number of something in defined area
Dispersal/distribution
The way something is spread out in an area
Patterns and spatial associations
Indication that 2 or more phenomena may be related
Map projection
The process of a cartographer showing the curved surface of the earth on a flat map
Mercator projection
Purpose: sea navigation
Area is distorted near poles