megaripple
nounUK, US /ˈmɛɡəˈɹɪp(ə)l/ · /ˈˈmeɪɡəˈɹɪp(ə)l/
Etymology From mega- + ripple.
1
A giant ripple, typically of sand exposed to tidal action.
- 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:
1 more example
- 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: