AM6-5 - Friction surfaces

You are currently viewing an archived version of Topic . If updates or revisions have been published you can find them at .

Author and Citation Info: 

DiBiase, D., DeMers, M., Johnson, A., Kemp, K., Luck, A. T., Plewe, B., and Wentz, E. (2006). Friction surfaces. The Geographic Information Science & Technology Body of Knowledge. Washington, DC: Association of American Geographers. (2nd Quarter 2016, first digital).

Learning Objectives: 
  • Define “friction surface”
  • Apply the principles of friction surfaces in the calculation of least-cost paths
  • Explain how friction surfaces are enhanced by the use of impedance and barriers