Bed Roughness (sed strat) @sumnerd

Bed Roughness (sed strat) @sumnerd

Uploaded April 2020 | Updated September 2026, 1 week ago

The Reynolds Number provides a measure of turbulence for a water flow over a smooth surface. However, most natural surfaces are not smooth. In this video, I show how grains and other roughness elements on a surface influence the turbulence of the flow.

Bed Roughness (sed strat)

Reynolds Number for water, ice, and air (sed strat)

Wind Storm at Lake Untersee, Antarctica (sed strat)

Uniformitarianism, Horizontality and Time

Weathering - The difference between physical and chemical weathering (sed strat)

Bedload and Suspended Load Transport (sed strat)

Teaching with YouTube

Laminar Flow Example - Ice (sed strat)

Sediment Transport

Sed Strat Lab: Copper River Samples

Estuaries in Stratigraphic Columns (sed strat) (sed strat)

Tidal Processes

Bed Roughness (sed strat)