Oscillatory, Combined and Tidal Flows: sediment transport and sedimentary structures
Oscillation Wave Ripples (MP4 Video 5MB Jan20 12) from Nikki Strong, St. Anthony Falls Hydraulic Laboratory & Department of Geology and Geophysics, University of Minnesota. Part of a collection of Sediment Transport Movies (more info) made available at the website of Paul Heller (University of Wyoming).
Waves and Storms and Tidal Processes from Dawn Sumner at University of California at Davis. These collections are subsets of larger Playlist: Sedimentology and Stratigraphy (more info)