2016
DOI: 10.1016/j.coastaleng.2015.10.008
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Advances in swash-zone research: Small-scale hydrodynamic and sediment transport processes

Abstract: Extensive research efforts in the last decade have improved knowledge of swash-zone processes. This paper reviews and synthesizes from 2004 onward the research advances of small-scale hydrodynamics and sediment transport processes considering field, laboratory and numerical modeling efforts. Swash-zone hydrodynamics are examined by means of shoreline motions, fluid velocities, pressure gradients, flow structure, bed shear stress, friction coefficients and turbulence. Subsequently, advances related to sediment … Show more

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Cited by 66 publications
(46 citation statements)
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References 176 publications
(527 reference statements)
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“…Other methods rely on stereo-metric intersection-for instance, to map the shoreface elevation, thus allowing morphology mapping with a vertical accuracy of 1 cm (e.g., [26,27]). Similar techniques used under laboratory conditions yield more accurate and dense morphological measurements in-between individual swash events (e.g., [28,29]), although Chardón-Maldonado et al [30] comment that it is not clear if this technique can be used in the field owing to the highly accurate instrument set up required.…”
Section: Introductionmentioning
confidence: 99%
“…Other methods rely on stereo-metric intersection-for instance, to map the shoreface elevation, thus allowing morphology mapping with a vertical accuracy of 1 cm (e.g., [26,27]). Similar techniques used under laboratory conditions yield more accurate and dense morphological measurements in-between individual swash events (e.g., [28,29]), although Chardón-Maldonado et al [30] comment that it is not clear if this technique can be used in the field owing to the highly accurate instrument set up required.…”
Section: Introductionmentioning
confidence: 99%
“…Wave angles determine the main direction of transport (cross-shore or longshore), and the panel of their direction, strength, return periods, requests more in-depth analysis of basic mechanisms and processes (see [110][111][112][113]). Our knowledge has recently developed very fast on topics such as rip currents [114], beach cusps [115], sandbars and beachface evolution [116], double bars [117], swash [118][119][120], etc. A better understanding requires to study in parallel fundamental hydrodynamics processes, such as shoaling, wave runup, overwash, storm surges, rip curls, and fundamental sediment processes, such as bed load size distribution [121], armoring, and bed formation.…”
Section: Non Cohesive Sedimentsmentioning
confidence: 99%
“…All of these technological and scientific advances lead to very fast progress in monitoring sediment transport and in the knowledge of involved processes (e.g., [120]). …”
Section: A Science Field That Evolves With Technologymentioning
confidence: 99%
“…The wave condition was designed to result in energetic flow (high onshore/offshore velocities) and strong wave backwash interactions in the lower swash zone. Such interactions are common for natural beaches and have been described by many studies (see Chapter 5, or Chardón Maldonado et al, 2015, for an overview). Chapter 5 illustrates that wave swash interactions affect local pick up and can alter sediment transport gradients, inducing local accretion of the bed.…”
Section: Wave Conditionsmentioning
confidence: 99%
“…Offshore wave heights for the swash zone experiments (Chapter 5) are substantially smaller than waves at Dutch coasts, but the wave conditions result in cross shore velocity magnitudes in the swash zone that are similar to field observations (c.f. Chardón Maldonado et al, 2015).…”
Section: Scale Of Experimentsmentioning
confidence: 99%