a three demensional representation of the earth
provides a way to view the earth as it travels through space
because earth is a sphere provides a way to see both sides of the earth
not alway practical because it is not easily portable
emphasize specific kinds of information
first step in creating a map
most mapping is done by remote satellite
Global Positioning System
originally developed for military forces
shows absolute location
Geographic Information System
Stores information about the world
includes maps, photographs, and other data
Geostationary Operational Environment
satellite that orbits in sync with the earth
a way of drawing the earth's surface that reduces distortion
Differences in land cover
Variation in temperature
a person that makes maps
the gathering of geographic information from a distance by an instrument that is not physically in contact with the mapping area
orbits 100 miles around the earth
a representation of natural and man made features on earth
drove stake into mouth of the Nile River
Noted shadow angle
off by 15%
accurate with given tools
Maps as a tool
to show location of places, landforms, and bodies of water and where they are in relation to other parts of the earth
two dimensional graphic representations of the earth
easily portable an can be drawn to different scales distortion occurs as the earth flattens
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