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Tests of a New Hypothesis for Non-Bathymetrically Driven Rip Currents

Rip currents-strong, isolated, offshore-directed flows-can occur in the absence of bathymetric features such as rip channels. No consensus exists regarding the cause of these impressive but life-threatening features, sometimes called "flash" rip currents. In a new model, flash rip currents...

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Published in:	Journal of coastal research 2003-03, Vol.19 (2), p.269-277
Main Authors:	MURRAYT, A. Brad, LEBARS, Michael, GUILLONT, Cyril
Format:	Article
Language:	English
Subjects:	Bathymetry Beaches Dynamics of the ocean (upper and deep oceans) Earth, ocean, space Engineering Sciences Exact sciences and technology External geophysics Fluid mechanics Fluids mechanics Image rectification Mechanics Modeling Observational research Ocean currents Ocean, Atmosphere Parametric models Physics Physics of the oceans Sciences of the Universe Simulations Standard deviation Waves
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container_title	Journal of coastal research
container_volume	19
creator	MURRAYT, A. Brad LEBARS, Michael GUILLONT, Cyril
description	Rip currents-strong, isolated, offshore-directed flows-can occur in the absence of bathymetric features such as rip channels. No consensus exists regarding the cause of these impressive but life-threatening features, sometimes called "flash" rip currents. In a new model, flash rip currents self-organize because of feedbacks resulting from a newly hypothesized interaction between waves and currents. Robust predictions arise from this numerical model: Flash rip currents become less prevalent with increasing beach slope and increasing variations in incident-wave heights. The results of field tests of these predictions support this model, but are not consistent with some other models, as applied to the flash rip currents on beaches such as those in Southern California.
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source	JSTOR Archival Journals and Primary Sources Collection; Allen Press Journals
subjects	Bathymetry Beaches Dynamics of the ocean (upper and deep oceans) Earth, ocean, space Engineering Sciences Exact sciences and technology External geophysics Fluid mechanics Fluids mechanics Image rectification Mechanics Modeling Observational research Ocean currents Ocean, Atmosphere Parametric models Physics Physics of the oceans Sciences of the Universe Simulations Standard deviation Waves
title	Tests of a New Hypothesis for Non-Bathymetrically Driven Rip Currents
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