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A Geographic Information System (G.I.S.), known as geographic information systems or geospatial information systems, is a mechanism for capturing, storing, analyzing, managing and visualizing data and its associated attributes which are spatially referenced to the Earth. GIS is a suite of tools that allows users to create interactive user-based queries, analyze spatial information, edit and up-date data in maps, and present the analytical results of these operations. Geographic information science is the science underlying these geo-spatial and analytical concepts, applications and systems, which are taught in several degrees and certificate programs at universities world-wide.

G.I.S. is also related to Remote Sensing (R.S.), which is a specialty area of geo-science using satellite imagery and various types of remotely accessed data to acquire information about the earth’s surface on a larger scale.

Geographic information system technology is multi-faceted and can be used for critical analysis in several areas such as scientific investigations, resource management, asset management, Environmental Impact Assessment, and cartography. It is particularly useful in bringing together information of varying types in order to answer critical questions about our environment.

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Modificado el ( 03/07/12 )
 

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