What are Geodetic Datums?

In this video we explain the basic concepts behind geodetic datums, where they are used, and why it is important to know about and use the correct datums. For more information on geodetic datums, visit http://www.geodesy.noaa.gov/. For more information and a gallery of reusable resources from this video see https://www.meted.ucar.edu/training_m.... See COMET's MetEd website for hundreds of other geo-science training resources: http://www.meted.ucar.edu.