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Large-scale experiments on wave propagation over Posidonia oceanica

Large-scale experiments on wave propagation over Posidonia oceanica
Large-scale experiments on wave propagation over Posidonia oceanica
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.
Artificial seagrass, artificial vegetation, large-scale experiment, Posidonia oceanica, wave attenuation, wave–seagrass interaction
0022-1686
31-43
Stratigaki, Vasiliki
91ff43d5-c853-4580-9c8e-3c942c7b6524
Manca, Eleonora
4323c36e-8fc6-4261-9328-770d7c6238d5
Prinos, Panayotis
a670983b-fb50-43cd-be44-124c4f182047
Losada, Inigo J.
2ea31ffe-966e-40f9-b742-aefae8363ad3
Lara, Javier L.
a4b12a56-25af-4042-a795-25681cdd968f
Sclavo, Mauro
0dca00c6-ab3c-4bd3-a85a-7d80932343d9
Amos, Carl L.
d0a18a13-bccd-4fdc-8901-aea595d4ed5c
Cáceres, Iván
99c04e2f-c73b-4b54-b91b-ce88a08c623c
Sánchez-Arcilla, Agustín
618301a0-dc0f-49dd-a339-72dd57b5bee1
Stratigaki, Vasiliki
91ff43d5-c853-4580-9c8e-3c942c7b6524
Manca, Eleonora
4323c36e-8fc6-4261-9328-770d7c6238d5
Prinos, Panayotis
a670983b-fb50-43cd-be44-124c4f182047
Losada, Inigo J.
2ea31ffe-966e-40f9-b742-aefae8363ad3
Lara, Javier L.
a4b12a56-25af-4042-a795-25681cdd968f
Sclavo, Mauro
0dca00c6-ab3c-4bd3-a85a-7d80932343d9
Amos, Carl L.
d0a18a13-bccd-4fdc-8901-aea595d4ed5c
Cáceres, Iván
99c04e2f-c73b-4b54-b91b-ce88a08c623c
Sánchez-Arcilla, Agustín
618301a0-dc0f-49dd-a339-72dd57b5bee1

Stratigaki, Vasiliki, Manca, Eleonora, Prinos, Panayotis, Losada, Inigo J., Lara, Javier L., Sclavo, Mauro, Amos, Carl L., Cáceres, Iván and Sánchez-Arcilla, Agustín (2011) Large-scale experiments on wave propagation over Posidonia oceanica. Journal of Hydraulic Research, 49 (Supp1), 31-43. (doi:10.1080/00221686.2011.583388).

Record type: Article

Abstract

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.

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More information

Published date: 2011
Keywords: Artificial seagrass, artificial vegetation, large-scale experiment, Posidonia oceanica, wave attenuation, wave–seagrass interaction
Organisations: Coastal & Shelf Research

Identifiers

Local EPrints ID: 336533
URI: http://eprints.soton.ac.uk/id/eprint/336533
ISSN: 0022-1686
PURE UUID: 703e0d97-df6b-44f0-b42d-d8acb356632c

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Date deposited: 28 Mar 2012 15:29
Last modified: 14 Mar 2024 10:43

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Contributors

Author: Vasiliki Stratigaki
Author: Eleonora Manca
Author: Panayotis Prinos
Author: Inigo J. Losada
Author: Javier L. Lara
Author: Mauro Sclavo
Author: Carl L. Amos
Author: Iván Cáceres
Author: Agustín Sánchez-Arcilla

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