Category:Geographic Information Systems

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Today, a Geographical Information System (GIS) is a unique system designed to input, store, retrieve, manipulate, and analyze layers of geographic data to produce interpretable information.

The central purpose of a GIS is to turn geographic data into useful information—the answers to real-life questions—questions such as:

  • How can we monitor the influence of global climatic changes on the Earth’s resources?
  • How should political districts be redrawn in a growing metropolitan area?
  • Where is the best place for a shopping center that is most convenient to shoppers and least harmful to the local ecology?
  • What areas should be protected to ensure the survival of endangered species?
  • How can communities be better prepared to face natural disasters, such as earthquakes, tornadoes, hurricanes, and floods?