Geographic Data System

Definition

A geographic data system, also known as a GIS, is a computer-based tool used to collect, store, analyze, and visualize geographic data. It allows users to create maps and perform spatial analysis by integrating various types of data such as satellite imagery, aerial photographs, and other geographical information.

Related terms

Geospatial Data: This refers to any type of data that has a spatial or geographic component attached to it. For example, coordinates (latitude and longitude) or addresses are geospatial data.

Remote Sensing: Remote sensing involves gathering information about the Earth's surface from a distance using technologies like satellites or airplanes. It is often used in conjunction with GIS to gather up-to-date data.

Spatial Analysis: Spatial analysis is the process of examining patterns and relationships within geographic data. It helps identify trends, clusters, or disparities in order to make informed decisions about specific locations or areas.