Resource

On-Demand Webinar: Introduction to Earthen Spillway Erosion: Basic Processes and Parameters

Resource Type
ASDSO Webinars
Reference Title
On-Demand Webinar: Introduction to Earthen Spillway Erosion: Basic Processes and Parameters
Author/Presenter
Horsham, Kyle
Visser, Karl
Organization/Agency
Association of State Dam Safety Officials
Year
2026
Date
01/13/2026
Abstract/Additional Information

This focused 2-hour webinar provides engineers and dam safety professionals with a practical introduction to the fundamentals of earthen spillway erosion.  The session is designed to deliver essential knowledge in a compact format and provide a basic understanding of key erodibility concepts. By attending the webinar, participants will gain a clear understanding of how erosion initiates and progresses in earthen spillways, including the physical and environmental factors that drive these changes. The webinar will also discuss critical soil and rock erodibility parameters and how these are assessed in the field and laboratory. Participants will benefit from expert explanations, real-world examples, and opportunities for Q&A, ensuring that attendees leave with actionable insights into evaluating and managing erosion risks in earthen spillways.

Key Takeaways:
1.    Understand, on a basic level, key erodibility concepts.
2.    Understand how erosion initiates and progresses in earthen spillways.
3.    Understand the physical and environmental factors that are driven by erosion changes in earthen spillways. 
4.    Understand critical soil and rock erodibility parameters. 
5.    Understand how soil and rock erodibility parameters are assessed in the field and laboratory.