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gis lecture 1

gis

QuestionAnswer
data raw observations that are still affected by bias
information the result of processing or interpreting raw data to reveal meaning
geographic data any description or measurement (quantitative or qualitative) of properties that can be observed about physical and social environments at any scale
geographic information created when human knowledge is applied to transform "raw" geographic data into contextually suitable information that is useful for geographic decision making
spatial any kind of physical or abstract space
geographic refers to the earth's surface and near-surface, includes both quantitative and qualitative perspectives of geographic space, focusing on the impact of social and environmental processes on people's lives
geospatial quantitative and computational representations and analysis of geographic data that can be given explicit spatial coordinates and easily mapped to reveal geographic patterns
benefits of GIS maps not static and can be updated; are interactive; are customizable for different contexts; are multi-scale because of zoom; support search functionality; can view underlying geographic information for each layer
GIS maps are interfaces for sharing data, and can be combined with other forms of data visualization tools.
benefits of paper maps help create general awareness of places; highly efficient tools for recording and communicating geographic information; highly portable; don't need power to operate
space our intuitive sense of our surroundings; constant
place a subjective understanding of a space in time; dynamic
information system a system of interrelated parts that have been designed for collectively processing raw data; they can collect, store, analyze, and present information
examples of spatial information systems CAD, Fusion360, AutoCAD
examples of geographic information systems Google maps, GIS online, ArcGIS pro, TransCAD
geographic information system a set of computer programs that can organize, display, and analyze spatially distributed data; it has a mapping and geovisualization system, a database management system, and a spatial analysis system.
what is public perception of GIS a container of maps in digital form
Created by: clarematt8
 

 



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