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Home > Explore! > Marine Geology > Field Localities > Seawall and Popham Beach Dynamics > Figure 17
Figure 17. Three-dimensional ripples have sinuous crests and a more hummocky shape than linear ripples. These ripples can indicate faster currents than those that formed the linear ripples. MGS file photo by S. M. Dickson taken November 4, 2008.
Last updated on November 6, 2008