Geometric detached breakwaters indicators on the Spanish North East coastline

Bricio Garberí, Laura and Negro Valdecantos, Vicente and Diez Gonzalez, Jose Javier (2008). Geometric detached breakwaters indicators on the Spanish North East coastline. "Journal of Coastal Research", v. 24 (n. 5); pp. 1293-1309. ISSN 0749-0208. https://doi.org/10.2112/07-0838.

Description

Title: Geometric detached breakwaters indicators on the Spanish North East coastline
Author/s:
  • Bricio Garberí, Laura
  • Negro Valdecantos, Vicente
  • Diez Gonzalez, Jose Javier
Item Type: Article
Título de Revista/Publicación: Journal of Coastal Research
Date: September 2008
ISSN: 0749-0208
Volume: 24
Subjects:
Freetext Keywords: Detached breakwater, tombolo, salient, limited response.
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Ordenación del Territorio, Urbanismo y Medio Ambiente [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Many beaches have been eroded and the obvious environmental and landscape degradation of many coastal stretches are problems that coastal engineers are spending time solving. With this in mind, different protection methods have been used over time, most on the basis of the artificial nourishment of beaches and the building structures such as groynes and detached breakwaters. Detached breakwaters are artificial structures, generally parallel to the coastline, inspired by the working of natural formations, protecting a certain stretch from wave action and being able to create accretion areas. This is why these structures have been in general use, with different results, since the 1970s in countries such as Japan, the United States, Israel, Spain, Italy, and Australia. The study undertaken for this research focuses precisely on this type of structure, with the purpose of providing an overall view of the state of the art in this field. In addition, the effects of a detached breakwater on the shoreline for a series of real cases on the Spanish coastline were analysed to check whether the empirical relations given by different researchers for classifying the shoreline’s type of response were fulfilled for them all or not. This study only takes formulas on the basis of the geometrical characteristics of breakwaters into consideration as being the most used by design engineers for predesigning a construction. All the formulas studied are based on the nondimensional B/X monomial, which is a ratio between the two most important geometric breakwater parameters (the length of the detached breakwater, B, and its distance to the initial coastline, X), so the result of this work led us to propose the following geometric model for the case of the Catalonian coastline: tombolo formation if B/X _ 1.3; salient formation if 1.3 _ B/X _ 0.5; limited shore response if 0.5 _ B/X.

More information

Item ID: 2145
DC Identifier: http://oa.upm.es/2145/
OAI Identifier: oai:oa.upm.es:2145
DOI: 10.2112/07-0838
Official URL: http://www.jcronline.org/loi/coas
Deposited by: Memoria Investigacion
Deposited on: 12 Mar 2010 12:24
Last Modified: 20 Apr 2016 11:54
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