Webinar: Too hard for Einstein! Sediment transport and mobile bed hydraulics

Where are we now? Are we proving Einstein wrong?

When Albert Einstein’s oldest son, Hans, told his father he wished to pursue sediment transport as a career – so the story goes – Albert reportedly said, “No, that’s much too difficult!” So where are we now? Have advances in software and computational power finally granted us the ability to prove Einstein wrong?

Date: Thursday, 22 August 2019

Time: 1:00pm (Australia/Sydney; find your local time)

Format: 60 minutes total time for Presentation, Discussion and Q&A.

Cost: Free

Chair: Trevor Pillar, National Partnerships Manager ICE WaRM

Resources: Webcasts and other documents will be available here


Krey Price

Surface Water Solutions

Educated at the University of California at Berkeley, Krey is a civil engineer and project manager with international experience in water resources. He is engaged in computational modelling, engineeri... Read more

Stanford Gibson


Dr. Stanford Gibson is the sediment specialist at the Hydrologic Engineering Center (HEC) where he has worked for over fifteen years. He is responsible for implementing the sediment transport capabili... Read more

Marty Teal

WEST Consultants, Inc.

Marty is a water resources engineer and numerical modeler of hydrology, hydraulics and sediment transport with over 30 years of experience in both the public and private sectors.  He is a frequent in... Read more


Eroding rivers and sediment-filled reservoirs pose an increasing threat to lives, environment, and infrastructure around the world. Please join us for this engaging, interactive webinar in which we’ll cover the challenges and opportunities associated with mobile-bed hydraulic modelling, which has the potential to allow the prediction and mitigation of impacts associated with sediment movement.

In this webinar we will provide an overview of sediment transport modelling software options, along with requirements for the collection of input data, selection of modelling parameters, and calibration techniques. We’ll also discuss the trade-offs between qualitative geo-morphological assessments and quantitative numerical modelling, followed by a demonstration of sediment transport capabilities using the U.S. Army Corps of Engineers’ HEC-RAS program.

The key take-home messages for this webinar are:
1. Krey: (5 min) Introduction and typical applications suited for sediment transport modelling.
2. Marty: (10 min) Sediment transport model input data requirements, overview of software options, and requirements for calibration.
3. Stanford: (15 min) HEC-RAS model conceptual background, limitations, and demonstration of capabilities.

Watch this brilliant 9-minute clip of HEC-RAS modeling examples by Krey Price.

Also, for those in the US, you may be interested in this fun HEC-RAS evening with Chris Goodell, Krey Price and Sean Welch in Portland, Oregon, USA.