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Geographic Information System Scholarly Journal | Open Access Journals
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Journal of Environmental Hazards

ISSN: 2684-4923

Open Access

Geographic Information System Scholarly Journal

The main technological development of the late 20th century was one that, while not geographically specific in its broad range of applications, has had particular significance for geographers. Geographic information systems (GIS) are a combination of hardware and software systems to collect, store, track, integrate, manage, view and analyze spatially referenced (geocoded) data. The data (i.e., coordinate referencing information, such as latitude and longitude) is entered into these systems and displayed in two- or three-dimensional maps and other diagrammatic forms. Two or more charts, such as a relief map and a map of wells, may be overlaid and combined for study, even though they are assembled on separate spatial grids. If geocoding schemes can be made compatible, you can combine, evaluate, and view separate data sets. In many circumstances this is technically demanding because of the problems involved in the interpolation of values from partial data for particular points. GIS facilitates process modeling in both space and time, and has been the focus of a great deal of research investment. It has a broad number of possible applications in a wide variety of fields, such as public buildings and infrastructure planning.

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