American Geosciences Institute
American Geosciences Institute: Earth Science Week: Analyzing Hurricanes Using Web and Desktop Gis
In this activity, students research hurricane data to discover their behavior and patterns. They map them across decades to see whether their frequency is increasing. They study Hurricane Andrew and investigate the relationship between...
University of Colorado
University of Colorado: Error, Accuracy, & Precision
A serious paper by serious geographers, discussing at full length the problems caused by error, inaccuracy, and imprecision in Geographical Information Systems. The definitive word in the real world.