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  • InSAR – Dam Safety Considerations and Applications

InSAR – Dam Safety Considerations and Applications

  • 22 Apr 2021
  • 10:00 AM - 12:00 PM
  • Online

     Register Here for the USSD April Monthly Webinar

InSAR – Dam Safety Considerations and Applications 

2.0 PDHs available

This webinar will be focused on interferometric synthetic aperture radar (InSAR) applications for geotechnical engineers engaged in dam safety. InSAR is a satellite-based, remote sensing technology capable of measuring ground & infrastructure displacement with mm-scale precision. The technology is deployed as an ongoing monitoring tool to help mitigate geotechnical risk across a number of verticals. InSAR is being adopted by geotechnical engineers in mining, oil & gas, transportation, government and urban infrastructure sectors as a means to feasibly identify subtle surface displacements both in the past and present. Such surface displacements provide insights into potential slope instability, internal erosion, landslide induced damage to assets, settlement related failure modes of assets etc. The webinar will introduce the technology methodology, and work into real industry examples/results.


The InSAR methodology used on a hydroelectric dam may change depending on the target application. Therefore, in order to maximize the success of a program, users must understand the appropriate risk mitigation in which this technology should be applied, and should be equipped with the knowledge of it’s relative strengths/weaknesses. As such, the following topics will be discussed:

 Introduction to InSAR

  • SAR Satellite Data (Frequencies, wavelengths, precision, resolution)
  • InSAR Methodology
  • Strengths/Limitations
  • Operational case studies

Target audience

Dam Safety Directors, Staff, and Those in industry who support Public Safety efforts.


Bill Empson, USACE

Ben Pantony, 3VGeomatics

United States Society on Dams
13918 E. Mississippi Ave #61160, Aurora, CO 80012

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