megaripple

plural megaripples

1. A giant ripple, typically of sand exposed to tidal action.

   The epifauna of megaripples: species adaptations and population responses to disturbance.

   1990, Ronald Hamlyn-Harris, Memoirs of the Queensland Museum, Brisbane, Queensland Museum, page 260

   2 more examples

   Generally these undulations are less than 1 meter long. Van Straaten (1953, p. 1—2) used the term megaripple for ripple marks with wave lengths (fig. 4-13) greater than 1 meter.

   1963, Paul Edwin Potter, Paleocurrents and Basin Analysis, Brisbane, Queensland Museum, page 260

   Orientations of megaripple and sandwave crestline appear to be controlled by the mean current direction.

   1973, Selected Water Resources Abstracts 1973-08-15: Volume 6 Issue 16, Superintendent of Government Documents, page 27