Rip currents

TitleRip currents
Publication TypeJournal Article
Year of Publication2011
AuthorsDalrymple, RA, MacMahan, JH, Reniers, AJHM, Nelko, V
JournalAnnual Review of Fluid Mechanics
Pagination551 - 581
Date Published2011
ISBN Number00664189
KeywordsBeaches, Shear flow, Shear waves

Rip currents are fast-moving flows, traveling a&eurooeoutward almost at right angles to the shore( Shepard 1936 ), creating a natural hazard for beachgoers, who suddenly find themselves in deep water. Field measurements and instrumentation, laboratory techniques, and numerical modeling have improved with time, enabling a more complete description of rip currents now. Surprisingly, there are many types of rip currents that can occur on beaches, and these currents are created by a wide variety of mechanisms that are presented here, along with numerical, physical, or field validation. We also show the potential for prediction schemes for use by lifeguards and beach managers. 2011 by Annual Reviews. All rights reserved.


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