SPECTRAL WAVE ENERGY DISSIPATION BY A SEAGRASS MEADOW: INTEGRATING ANALYTICAL AND EMPIRICAL MODELS

Nery Contti Neto; Ryan Lowe; Andrew Pomeroy; Marco Ghisalberti; Matthew Reidenbach; Mario Conde-Frias

doi:10.9753/icce.v37.management.117

Núm. 37 (2022), Coastal Management, Environment, and Risk

Núm. 37 (2022)

SPECTRAL WAVE ENERGY DISSIPATION BY A SEAGRASS MEADOW: INTEGRATING ANALYTICAL AND EMPIRICAL MODELS

Coastal Management, Environment, and Risk

Publicado 2023-09-01

Nery Contti Neto
Ryan Lowe
Andrew Pomeroy
Marco Ghisalberti
Matthew Reidenbach
Mario Conde-Frias

Nery Contti Neto

Ryan Lowe

Andrew Pomeroy

Marco Ghisalberti

Matthew Reidenbach

Mario Conde-Frias

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SPECTRAL WAVE ENERGY DISSIPATION BY A SEAGRASS MEADOW: INTEGRATING ANALYTICAL AND EMPIRICAL MODELS. (2023). Coastal Engineering Proceedings, 37, management.117. https://doi.org/10.9753/icce.v37.management.117

Resumen

Waves propagating across partially emerged and submerged vegetation (such as a seagrass meadow) gradually lose energy due dissipation generated by the drag forces exerted by the vegetation elements (e.g., stems, blades, etc.) (Mendez and Losada, 2004). How vegetation characteristics influence wave dissipation is important to quantify how a canopy affects the physical processes that ultimate lead to the attenuation of waves. However, field studies on wave dissipation in seagrass meadows have often not considered the impact of plant flexibility on both in-canopy flows and wave attenuation. In this study we aim to (1) understand how wave interactions with flexible seagrass canopies affect wave dissipation, (2) assess the role of flow modifications by canopies to explain frequency-dependent wave dissipation, and (3) evaluate the role of flexibility on wave attenuations relative to assuming rigid canopy flow theory.

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Referencias

Dalrymple, B. R., Kirby, J. T., Paul. E. Hwang (1984). Wave diffraction due to areas of energy dissipation. Journal of Waterway, Port, Coastal, and Ocean Engineering, 110(1), 67–79.

Lowe, R. J., Falter, J. L., Koseff, J. R., Monismith, S. G., & Atkinson, M. J. (2007). Spectral wave flow attenuation within submerged canopies: Implications for wave energy dissipation. Journal of Geophysical Research: Oceans, https://doi.org/10.1029/2006JC003605

Luhar, M., & Nepf, H. (2016). Wave-induced dynamics of flexible blades. Journal of Fluids and Structures, 61, 20–41. https://doi.org/10.1016/j.jfluidstructs.2015.11.007

Mendez F & Losada I (2004). An empirical model to estimate the propagation of random breaking and nonbreaking waves over vegetation fields. Coastal Eng, https://doi.org/10.1016/j.coastaleng.2003.11.003

Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.

Derechos de autor 2023 Nery Contti Neto, Ryan Lowe, Andrew Pomeroy, Marco Ghisalberti, Matthew Reidenbach, Mario Conde-Frias

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SPECTRAL WAVE ENERGY DISSIPATION BY A SEAGRASS MEADOW: INTEGRATING ANALYTICAL AND EMPIRICAL MODELS

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