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Abstract

This paper presents an investigation into the use of a 2-dimensional laser scanner (LiDAR) to obtain measurements of wave processes in the inner surf and swash zones of a microtidal beach (Rousty, Camargue, France). The bed is extracted at the wave-by-wave timescale using a variance threshold method on the time series. Individual wave properties were then retrieved from a local extrema analysis. Finally, individual and averaged wave celerities, are obtained using a crest-tracking method and cross-correlation technique respectively, and compared with common wave celerity predictors. Very good agreement was found between the individual wave properties and the wave spectrum analysis, showing the great potential of the scanner to be used in the surf and swash zone for studies of nearshore waves at the wave-by-wave timescale.
Original languageEnglish
Article number7965431
Number of pages9
JournalJournal of Sensors
Early online date29 Jun 2015
DOIs
Publication statusPublished - 2016

Fingerprint

scanners
Lasers
Monitoring
lasers
splashing
beaches
Beaches
range (extremes)
Spectrum analysis
France
Time series
cross correlation
spectrum analysis
beds
thresholds

Cite this

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title = "Monitoring individual wave characteristics in the inner surf with a 2-Dimensional laser scanner (LiDAR)",
abstract = "This paper presents an investigation into the use of a 2-dimensional laser scanner (LiDAR) to obtain measurements of wave processes in the inner surf and swash zones of a microtidal beach (Rousty, Camargue, France). The bed is extracted at the wave-by-wave timescale using a variance threshold method on the time series. Individual wave properties were then retrieved from a local extrema analysis. Finally, individual and averaged wave celerities, are obtained using a crest-tracking method and cross-correlation technique respectively, and compared with common wave celerity predictors. Very good agreement was found between the individual wave properties and the wave spectrum analysis, showing the great potential of the scanner to be used in the surf and swash zone for studies of nearshore waves at the wave-by-wave timescale.",
author = "Kevin Martins and Blenkinsopp, {Chris E.} and Jun Zang",
year = "2016",
doi = "10.1155/2016/7965431",
language = "English",
journal = "Journal of Sensors",
issn = "1687-725X",
publisher = "Hindawi Publishing Corporation",

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T1 - Monitoring individual wave characteristics in the inner surf with a 2-Dimensional laser scanner (LiDAR)

AU - Martins, Kevin

AU - Blenkinsopp, Chris E.

AU - Zang, Jun

PY - 2016

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N2 - This paper presents an investigation into the use of a 2-dimensional laser scanner (LiDAR) to obtain measurements of wave processes in the inner surf and swash zones of a microtidal beach (Rousty, Camargue, France). The bed is extracted at the wave-by-wave timescale using a variance threshold method on the time series. Individual wave properties were then retrieved from a local extrema analysis. Finally, individual and averaged wave celerities, are obtained using a crest-tracking method and cross-correlation technique respectively, and compared with common wave celerity predictors. Very good agreement was found between the individual wave properties and the wave spectrum analysis, showing the great potential of the scanner to be used in the surf and swash zone for studies of nearshore waves at the wave-by-wave timescale.

AB - This paper presents an investigation into the use of a 2-dimensional laser scanner (LiDAR) to obtain measurements of wave processes in the inner surf and swash zones of a microtidal beach (Rousty, Camargue, France). The bed is extracted at the wave-by-wave timescale using a variance threshold method on the time series. Individual wave properties were then retrieved from a local extrema analysis. Finally, individual and averaged wave celerities, are obtained using a crest-tracking method and cross-correlation technique respectively, and compared with common wave celerity predictors. Very good agreement was found between the individual wave properties and the wave spectrum analysis, showing the great potential of the scanner to be used in the surf and swash zone for studies of nearshore waves at the wave-by-wave timescale.

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JO - Journal of Sensors

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