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A Geographic Information System (GIS)

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Geographic Information System (GIS)
A geographic information system (GIS) is a computer system for capturing, storing, checking, and displaying data related to positions on Earth’s surface. GIS can show many different kinds of data on one map. This enables people to more easily see, analyze, and understand patterns and relationships.

With GIS technology, people can compare the locations of different things in order to discover how they relate to each other. For example, using GIS, the same map could include sites that produce pollution, such as gas stations, and sites that are sensitive to pollution, such as wetlands. Such a map would help people determine which wetlands are most at risk.
GIS can use any information that includes location. …show more content…

Data that are already in map form can be included in GIS. This includes such information as the location of rivers and roads, hills and valleys. Digital, or computerized, data can also be entered into GIS. An example of this kind of information is data collected by satellites that show land use—the location of farms, towns, or forests. GIS can also include data in table form, such as population information. GIS technology allows all these different types of information, no matter their source or original format, to be overlaid on top of one another on a single map. Putting information into GIS is called data capture. Data that are already in digital form, such as images taken by satellites and most tables, can simply be uploaded into GIS. Maps must be scanned, or converted into digital …show more content…

They can utilize satellite information to study subjects, for example, the amount of the Polar Regions is secured in ice. A police office can study changes in wrongdoing information to figure out where to allocate officers.
GIS regularly contains a substantial assortment of information that doesn’t show up in an onscreen or printed map. GIS innovation in some cases permits clients to get to this data. A man can indicate a spot on a mechanized guide to discover other data put away in the GIS about that area. For instance, a client may tap on a school to discover what numbers of understudies are enlisted, what number of understudies there are per instructor, or what sports offices the school has.
GIS frameworks are frequently used to create three-dimensional pictures. This is valuable, for instance, to geologists concentrating on flaws. GIS innovation makes redesigning maps much less demanding. Upgraded information can essentially be added to the current GIS program. Another guide can then be printed or showed on screen. This avoids the conventional procedure of drawing a guide, which can be tedious and

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