Two and three-dimensional shoreline behaviour at a MESO-MACROTIDAL barred beach. Angnuureng, D. B., Almar, R., Senechal, N., Castelle, B., Appeaning Addo, K., Marieu, V., & Ranasinghe, R. 21(3):381–392. Number: 3![Two and three-dimensional shoreline behaviour at a MESO-MACROTIDAL barred beach [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The present work investigates cross-shore shoreline migration as well as its alongshore variability (with deformation) on timescales of days to years using 6 years of time-averaged video images. The variability of the shoreline is estimated through empirical statistical methods with comprehensive reference to three scales of variability. At the meso-to macro-tidal barred Biscarrosse beach, shoreline responds in decreasing order at seasonal (winter/summer cycles, 52%), event (storms, 28%) and inter-annual scales. Whereas seasonal evolution is dominated by wave climate modulation, short-term evolution is influenced by tidal range and surf-zone sandbar characteristics. The influence of tide range and sandbars increases when timescale decreases. This is even more the case for the alongshore deformation of the shoreline which is dominated by short-term evolution. An EOF analysis reveals that the first mode of shoreline change time series is associated with cross-shore migration and explains 58% of the shoreline variability. The rest of the modes are associated to deformation which explain 42% of shoreline variability.
@article{angnuureng_two_2017,
title = {Two and three-dimensional shoreline behaviour at a {MESO}-{MACROTIDAL} barred beach},
volume = {21},
issn = {1874-7841},
url = {https://doi.org/10.1007/s11852-017-0516-6},
doi = {10.1007/s11852-017-0516-6},
abstract = {The present work investigates cross-shore shoreline migration as well as its alongshore variability (with deformation) on timescales of days to years using 6 years of time-averaged video images. The variability of the shoreline is estimated through empirical statistical methods with comprehensive reference to three scales of variability. At the meso-to macro-tidal barred Biscarrosse beach, shoreline responds in decreasing order at seasonal (winter/summer cycles, 52\%), event (storms, 28\%) and inter-annual scales. Whereas seasonal evolution is dominated by wave climate modulation, short-term evolution is influenced by tidal range and surf-zone sandbar characteristics. The influence of tide range and sandbars increases when timescale decreases. This is even more the case for the alongshore deformation of the shoreline which is dominated by short-term evolution. An {EOF} analysis reveals that the first mode of shoreline change time series is associated with cross-shore migration and explains 58\% of the shoreline variability. The rest of the modes are associated to deformation which explain 42\% of shoreline variability.},
pages = {381--392},
number = {3},
journaltitle = {Journal of Coastal Conservation},
shortjournal = {J Coast Conserv},
author = {Angnuureng, Donatus Bapentire and Almar, Rafael and Senechal, Nadia and Castelle, Bruno and Appeaning Addo, Kwasi and Marieu, Vincent and Ranasinghe, Roshanka},
urldate = {2019-11-26},
date = {2017-06-01},
langid = {english},
note = {Number: 3},
keywords = {Sandbar, Aquitaine coast, Biscarrosse beach, {EOF}, Event scale, Seasonal evolution, Shoreline change, Tide, Video imagery}
}
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At the meso-to macro-tidal barred Biscarrosse beach, shoreline responds in decreasing order at seasonal (winter/summer cycles, 52%), event (storms, 28%) and inter-annual scales. Whereas seasonal evolution is dominated by wave climate modulation, short-term evolution is influenced by tidal range and surf-zone sandbar characteristics. The influence of tide range and sandbars increases when timescale decreases. This is even more the case for the alongshore deformation of the shoreline which is dominated by short-term evolution. An EOF analysis reveals that the first mode of shoreline change time series is associated with cross-shore migration and explains 58% of the shoreline variability. 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The variability of the shoreline is estimated through empirical statistical methods with comprehensive reference to three scales of variability. At the meso-to macro-tidal barred Biscarrosse beach, shoreline responds in decreasing order at seasonal (winter/summer cycles, 52\\%), event (storms, 28\\%) and inter-annual scales. Whereas seasonal evolution is dominated by wave climate modulation, short-term evolution is influenced by tidal range and surf-zone sandbar characteristics. The influence of tide range and sandbars increases when timescale decreases. This is even more the case for the alongshore deformation of the shoreline which is dominated by short-term evolution. An {EOF} analysis reveals that the first mode of shoreline change time series is associated with cross-shore migration and explains 58\\% of the shoreline variability. 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