Large-scale experiments on wave propagation over Posidonia oceanica / Vasiliki Stratigaki in Journal of hydraulic research, Vol. 49 Supplément 1 (2011)  

Public ISBD [article]  inJournal of hydraulic research > Vol. 49 Supplément 1 (2011) . - pp. 31-43 Titre : Large-scale experiments on wave propagation over Posidonia oceanica Type de document : texte imprimé Auteurs : Vasiliki Stratigaki, Auteur ; Eleonora Manca, Auteur ; Panayotis Prinos, Auteur Année de publication : 2012 Article en page(s) : pp. 31-43 Note générale : Hydraulique Langues : Anglais (eng) Mots-clés : Artificial seagrass vegetation Large-scale experiment Posidonia oceanica Wave attenuation Wave–seagrass interaction Index. décimale : 627 Ingénierie des cours d'eau naturels, des ports, des rades et des cotes. Installations de navigation, de dragage, de récupération et de sauvetage. Barrages et centrales électriques hydrauliques Résumé : Posidonia oceanica, the most abundant seagrass species in the Mediterranean, supports a highly bio-diverse habitat and is crucial in protecting against coastal erosion. In this work, experiments in a large-scale facility have been performed, for the measurement of wave attenuation, transmission and energy dissipation over artificial Posidonia oceanica. The effects of submergence ratio corresponding to the seagrass height divided by water depth, and seagrass density as the number of stems per square metre on the above characteristics are investigated. Measurements of wave height at different locations along the vegetation meadow indicate the wave attenuation along the Posidonia oceanica for three different submergence ratios and two seagrass densities. Results are also analysed with regard to the wave-induced flow within the meadow, and the effects of the submergence ratio and the seagrass density on the mean flow characteristics, based on data of mean velocities taken at three locations within the seagrass. DEWEY : 627 ISSN : 0022-1686 En ligne : http://www.tandfonline.com/doi/abs/10.1080/00221686.2011.583388 [article] Large-scale experiments on wave propagation over Posidonia oceanica [texte imprimé] / Vasiliki Stratigaki, Auteur ; Eleonora Manca, Auteur ; Panayotis Prinos, Auteur . - 2012 . - pp. 31-43. Hydraulique Langues : Anglais (eng) in Journal of hydraulic research > Vol. 49 Supplément 1 (2011) . - pp. 31-43 Mots-clés : Artificial seagrass vegetation Large-scale experiment Posidonia oceanica Wave attenuation Wave–seagrass interaction Index. décimale : 627 Ingénierie des cours d'eau naturels, des ports, des rades et des cotes. Installations de navigation, de dragage, de récupération et de sauvetage. Barrages et centrales électriques hydrauliques Résumé : Posidonia oceanica, the most abundant seagrass species in the Mediterranean, supports a highly bio-diverse habitat and is crucial in protecting against coastal erosion. In this work, experiments in a large-scale facility have been performed, for the measurement of wave attenuation, transmission and energy dissipation over artificial Posidonia oceanica. The effects of submergence ratio corresponding to the seagrass height divided by water depth, and seagrass density as the number of stems per square metre on the above characteristics are investigated. Measurements of wave height at different locations along the vegetation meadow indicate the wave attenuation along the Posidonia oceanica for three different submergence ratios and two seagrass densities. Results are also analysed with regard to the wave-induced flow within the meadow, and the effects of the submergence ratio and the seagrass density on the mean flow characteristics, based on data of mean velocities taken at three locations within the seagrass. DEWEY : 627 ISSN : 0022-1686 En ligne : http://www.tandfonline.com/doi/abs/10.1080/00221686.2011.583388

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