Geological and Environmental Sustainability

Geographic Information System (GIS)

Geographic Information Systems (GIS) store, and analyze and visualize data for geographic positions on Earth’s surface. GIS is a computer-based tool that examines spatial relationships, patterns, and trends. By connecting geography with data, GIS better understands data employing a geographic context.GIS flourished within the 1980s. Common GIS operations include data acquisition, data management, data demand, vector data analysis, raster data analysis, and data display. A crucial tendency is that the integration of desktop GIS, web GIS, and mobile technology, which has already led to the event of location-based services, collaborative web-mapping, and volunteered geographic information.