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GEOGRAPHIC INFORMATION SYSTEMS (GIS). GEOGRAPHIC ... Retrieved August 23, 2006.
Geographic Information Systems (GIS). Kevany (2003). GIS ...
Geographic Information System. Geographic Information Systems (GIS) captures, stores,
analyses and manages data that is geographically related. ...
... Geographic Information Systems Geographic information systems (GIS) technology can
be used for scientific investigations, resource management, and development ...
... Oxford Reference Online. Oxford University Press. Charles Darwin University. 12
September 2005 ). “Geographic (Geographical) Information Systems (GIS), GIS ...
... a relatively new addition to the Geographic field, with most of its main innovations
in the last 40 years, GIS (Geographic Information Systems) had several ...
Submitted by tink4279 on February 25, 2008
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GEOGRAPHIC INFORMATION SYSTEMS (GIS)
AND TERRORIST ATTACKS OF OKLAHOMA CITY BOMBING
AND THE WORLD TRADE CENTER
Submitted To
Mark Stallo
School of Graduate Studies
Of Tiffin University
In partial fulfillment of the
requirement for the graduate course
Geographic Information Systems
ENF 622
In the School of Criminal Justice
Summer Quarter 2006
by
Oscar Young
Geographic Information Systems (GIS)
And Terrorist Attacks Of Oklahoma City Bombing
And The World Trade Center
History of GIS
GIS is a way of organizing large amounts of geographic information. It is not a tool, a software, a hardware or a specific image; it is a concept--a way of understanding maps (http://cnx.org/content/m13693/latest). Maps are one of the most common products of GIS. Figure 1 is an example of how GIS is a way of conceiving maps as layers of information.
Figure 1. On the left is enlarged piece of the same Nile Delta map from before, and on the right in an annotated version of the same map showing how GIS would categorize the features of the map (http://cnx.org/content/m13693/latest).
“Geographic Information Systems (GIS) are computerized systems for the storage, retrieval, manipulation, analysis, and display of geographically referenced data” (http://www.ncgia.buffalo.edu/gishist/bar_harbor.html). It is a powerful system that procures data from many sources; changes the data into a variety of useful formats; stores the data; retrieves and manipulates the data for analysis; and then generates output required by a given user (http://cnx.org/content/m13693/latest).
“Although its antecedents go back hundreds of years in the fields of cartography and mapping, GIS...
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