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Home > Explore! > Marine Geology > Field Localities > Seawall and Popham Beach Dynamics > Figure 16



Figure 16. Linear ripples in this photograph have a secondary set of smaller ripples in the troughs. As the tide falls across the spit, water drains through the troughs and carries sand in miniature channels where the smaller ripples form. MGS file photo by S. M. Dickson taken November 4, 2008.


Last updated on November 6, 2008