![]() ![]() ![]() These are just a few examples of the many uses of GIS in earth sciences, biology, resource management, and many other fields. GIS maps can then display all locations in the area that have similar conditions, so researchers know where to look for more of the rare plants.īy knowing the geographic location of farms using a specific fertilizer, GIS analysis of farm locations, stream locations, elevations, and rainfall will show which streams are likely to carry that fertilizer downstream. (Image credit: Creative Commons cc 4. If, for example, a rare plant is observed in three different places, GIS analysis might show that the plants are all on north-facing slopes that are above an elevation of 1,000 feet and that get more than ten inches of rain per year. A popular Flat-Earth map shows the North Pole at the center of the world and a ring of Antarctic ice surrounding the edge of our planet. ![]() Most of the information we have about our world contains a location reference: Where are USGS streamgages located? Where was a rock sample collected? Exactly where are all of a city's fire hydrants? It uses data that is attached to a unique location. A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information. ![]()
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