Key Issue 1 Flashcards
(19 cards)
What are maps used for
A reference tool and a communication tool
Why are maps distorted
Globes are 3D and maps are 2D
What are the 4 types of distortion
Distance, direction, size, and shape
Latitude
Parallels on earth
Longitude
Meridians on earth
Remote sensing
The use of satellites and other long distance tools to make maps with photogenic accuracy
GIS
Geographic information system, a computer system that can capture , store, analyze and displays geographic ideas
GIScience
Geographic information science, the development and analysis of data about earth acquired through satellites and other electronic information technologies
GPS
Global Positioning System, a system that determines the precise position of sometime on earths surface using a a series of satellites, tracking stations, and receivers
What questions do geographers ask
Where are people and activities found on earth? Why are they there
Prime meridian
The meridian that passes through the Royal Observatory at Greenwich, England
Meridian
A vertical line of measurement drawn from North Pole to South Pole
Parallel
A horizontal line of measurement drawn to be parallel to the equator
Projection
A system used to transfer locations form earths surface to a flat map
Isoline
A line that connects areas of equal value
Cloropleth maps
A thematic map that uses administrative boundaries to divide the values
Categorical map
Show difference between between different places for
Graduated symbol map
Cows shown by circles
Flow map
Uses lines to show the strength of a flow between two places
