1.2 Geographic Data

GIS is a map created by a computer that combines layers of spatial data. This is a GIS map of China, the data collected is about taxes in china. This map also displays boundaries and the body of water surrounding the part of China represented. The map key on the right describes what the map is representing and the information box on the top explains the data collected for this map.

A satellite Navigation system is a system of satellites that provide geospatial positioning. This is a GPS map of China, it shows you all the cities and boarders in china, the bodies of water around China, etc.

Remote sensing collects data with instruments that are distant from the area of study- this includes (but isn't limited to) satellites, planes, spacecrafts, aircrafts, and ships. This map has a lot of data, it shows population, city centers, the type of terrain in certain areas, urban areas, etc.