the numbering system used to indicate the location of meridians drawn on a globe and measuring distances east and west of the prime meridian (0 degrees)
Mercator projection
this map shows shapes fairly accurately, but not size or distance. It exaggerates land near the poles but lets navigators plot a straight course between any two points
contagious diffusion
the rapid, widespread diffusion of a feature or trend throughout a population
vernacular region
(perceptual region) an area that people believe exists as part of their cultural identity
cultural landscape
fashioning of a natural landscape by a cultural group
Geographic Information System (GIS)
a computer system that stores, organizes, analyzes, and displays geographic data
density
the frequency with which something exists within a given unit of area
Prime Meridian
the meridian, designated as 0 degrees longitude, that passes through the Royal Observatory at Greenwich, England
Global Positioning System (GPS)
a system that determines the precise position of something on earth through a series of satellites, tracking stations, and receivers
