August, 2001

GIS Data

Centers of Population 1790 – 2000

August 27, 2001By Caitlin DempseyGIS Data

Centers of Population from 1790 – 2000 based on calculations by the US Census.

Jason-1 – Measuring Ocean Topography From Space

August 25, 2001By Caitlin DempseyGIS Data

Jason-1 is a satellite to be jointly operated by NASA and CNES (Centre National d’Etudes Spatiales), the French space agency. Scheduled for launch no earlier than September 15th of this year, Jason-1 will work in tandem with TOPEX/Poseidon, a U.S.-French satellite in operation since 1992. TOPEX/Poseidon marked its ninth anniversary […]

Optimizing Traffic with Autonomous Vehicles and Machine Learning

One way to improve traffic is to integrate technologies within autonomous cars, particularly as they are forecast to be soon on our streets, including sensors for driving, and information from different external sources.

When AI Goes Wrong in Spatial Reasoning

Machines can learn ‘wrong’ or more accurately biased information, creating sometimes large problems and poor conclusions when it comes to spatial data.

Elements of a Map

Maps are the primary tools by which spatial relationships are visualized. Maps therefore become important documents. There are several key elements that should be included each time a map is created in order to aid the viewer in understanding the communications of that map and to document the source of […]

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions.