6/5/09. 1. Geographic Information Systems. 6/5/09. 2 ..

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Geographic Information Systems
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What is GIS?

• Geographic
• Information
• Systems
• --the use of hardware and software by a user to
  enter, manipulate, and display data.

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ArcView GIS Software

• Allows the user to explore relationships between
  features distributed unevenly over space, seeking
  patterns that may not be apparent without using
  advanced techniques of query, selection,
  analysis, and display

• Uses layers or themes to build a special-purpose
  map for problem-solving situations and decision
  making

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Great GIS Links for Social Studies!
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NASA Site
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National Geographic Mapmaker