Sediment mixing-depths on a low-energy reflective beach

D. J. Sherman, K. F. Nordstrom, N. L. Jackson, J. R. Allen

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54 Scopus citations


A field experiment was conducted on a sandy, micro-tidal, estuarine beach at Fire Island, New York, USA to determine the maximum depth of sediment mixing by waves and currents on a low-energy, reflective beach. Mixing depth was measured during three experiments using fluorescent-tracer sands injected across the upper foreshore at high water. The average mixing depth for this environment during these experiments was about 22% of significant wave height. Wave-based models for high-energy beaches underestimate the average, maximum mixing-depth by as much as 400%. The cross-shore distribution of mixing depth shows a maximum at the breakpoint associated with breaker-generated turbulence in the swash. -from Authors

Original languageEnglish (US)
Pages (from-to)297-305
Number of pages9
JournalJournal of Coastal Research
Issue number2
StatePublished - 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ecology
  • Water Science and Technology
  • Earth-Surface Processes


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