Cross-shore sediment transport quantification on depth of closure calculation from profile surveys

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Title: Cross-shore sediment transport quantification on depth of closure calculation from profile surveys
Authors: Aragonés, Luis | Pagán, José Ignacio | López García, María Pilar | Serra, José Cristobal
Research Group/s: Ingeniería del Transporte, Territorio y Medio Litoral (AORTA) | Ingeniería del Terreno y sus Estructuras (InTerEs) | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: Depth of closure | Beach profiles | Sediment transport | Nourishment
Knowledge Area: Ingeniería e Infraestructura de los Transportes
Issue Date: Sep-2019
Publisher: Elsevier
Citation: Coastal Engineering. 2019, 151: 64-77. doi:10.1016/j.coastaleng.2019.04.002
Abstract: Depth of Closure (DoC) calculation has been analysed for engineers and researchers during decades due to its relevant importance on marine works, such as beach nourishments or littoral defense projects. Several methods can be found in the literature related to the evaluation of DoC. However, they just focus on the bottom elevation change, leaving aside the cross-shore sediment transport issue. This work deals with all requests of the DoC definition and presents a new method based on the comparison of repetitive beach profiles. The main contribution of this research is the methodology presented to quantify the cross-shore sediment transport by the calculation of the Net Cross-shore Sediment Transport Parameter (NCSTPC). Its application to a complex area of the East Spanish coast concludes that NCSTPC values less than or equal to 10% can be considered as no significant. The differences between several criteria based on the change of the bottom elevation are also studied in order to evaluate if they are relevant for engineering works. The new methodology developed is a great advance in the knowledge of this imaginary boundary (DoC), since it allows to discriminate between different possible DoC values when applying any method based on profile surveys comparison.
Sponsor: This work has been partially supported by the University of Alicante (Spain) through the project “Estudios sobre el perfil de equilibrio y la profundidad de cierre en playas de arena” (GRE15-02).
ISSN: 0378-3839 (Print) | 1872-7379 (Online)
DOI: 10.1016/j.coastaleng.2019.04.002
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 Elsevier B.V.
Peer Review: si
Publisher version:
Appears in Collections:INV - AORTA - Artículos de Revistas
INV - INTERES - Artículos de Revistas
INV - DMCIA - Artículos de Revistas

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