Direct estimation wave setup as a medium level in swash

Díaz Sánchez, Roberto; López Gutiérrez, José Santos; Lechuga, Antonio; Negro Valdecantos, Vicente y Esteban, M. Dolores (2013). Direct estimation wave setup as a medium level in swash. "Journal of Coastal Research Special Issue", v. 65 ; pp. 201-206. ISSN 1551-5036. https://doi.org/10.2112/SI65-036.1.

Descripción

Título: Direct estimation wave setup as a medium level in swash
Autor/es:
  • Díaz Sánchez, Roberto
  • López Gutiérrez, José Santos
  • Lechuga, Antonio
  • Negro Valdecantos, Vicente
  • Esteban, M. Dolores
Tipo de Documento: Artículo
Título de Revista/Publicación: Journal of Coastal Research Special Issue
Fecha: 2013
Volumen: 65
Materias:
Palabras Clave Informales: setup, runup, extreme runup, swash, beach processes.
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ingeniería Civil: Ordenación del Territorio, Urbanismo y Medio Ambiente [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The extreme runup is a key parameter for a shore risk analysis in which the accurate and quantitative estimation of the upper limit reached by waves is essential. Runup can be better approximated by splitting the setup and swash semi-amplitude contributions. In an experimental study recording setup becomes difficult due to infragravity motions within the surf zone, hence, it would be desirable to measure the setup with available methodologies and devices. In this research, an analysis is made of evaluated the convenience of direct estimation setup as the medium level in the swash zone for experimental runup analysis through a physical model. A physical mobile bed model was setup in a wave flume at the Laboratory for Maritime Experimentation of CEDEX. The wave flume is 36 metres long, 6.5 metres wide and 1.3 metres high. The physical model was designed to cover a reasonable range of parameters, three different slopes (1/50, 1/30 and 1/20), two sand grain sizes (D50 = 0.12 mm and 0.70 mm) and a range for the Iribarren number in deep water (ξ0) from 0.1 to 0.6. Best formulations were chosen for estimating a theoretical setup in the physical model application. Once theoretical setup had been obtained, a comparison was made with an estimation of the setup directly as a medium level of the oscillation in swash usually considered in extreme runup analyses. A good correlation was noted between both theoretical and time-averaging setup and a relation is proposed. Extreme runup is analysed through the sum of setup and semi-amplitude of swash. An equation is proposed that could be applied in strong foreshore slope-dependent reflective beaches.

Más información

ID de Registro: 25534
Identificador DC: http://oa.upm.es/25534/
Identificador OAI: oai:oa.upm.es:25534
Identificador DOI: 10.2112/SI65-036.1
URL Oficial: http://ics2013.org/papers/Paper3696_rev.pdf
Depositado por: Memoria Investigacion
Depositado el: 22 Abr 2014 15:55
Ultima Modificación: 22 Sep 2014 11:36
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