FEASIBILITY STUDY OF SAND BYPASS AT AVEIRO AND FIGUEIRA DA FOZ INLETS

Margarida Ferreira, Carlos Coelho, Márcia Lima, Cristina Bernardes, Paulo Baptista, Paulo A. Silva, Ricardo Carvalho, Malcolm Pound, Celso Pinto

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

To mitigate coastal erosion in the sectors Barra-Vagueira and Figueira da Foz-Leirosa (NW of Portugal), Portuguese coastal authority has promoted the discussion on the feasibility of implementing a sand bypassing system to restore natural littoral sediment transport. This study synthesizes the main results of the proposed solutions for Aveiro and Figueira da Foz tidal inlets. The methodology to develop the study compromised tree main phases that included the historical characterization of the study area, the preliminary design of different sand bypassing solutions for each coastal inlet and the discussion of their economic feasibility. The physical performance of the sand bypass solutions demonstrated that several bypassing solutions are technically viable to mitigate coastal erosion. However, it was found that the solution is economically viable only at the coastal sector Figueira da Foz-Leirosa.

Original languageEnglish
Title of host publicationProceedings of the Coastal Engineering Conference
EditorsDaniel Cox
PublisherAmerican Society of Civil Engineers (ASCE)
Edition37
ISBN (Electronic)9780989661164
Publication statusPublished - 1 Sept 2023
Externally publishedYes
Event37th International Conference on Coastal Engineering, ICCE 2022 - Sydney, Australia
Duration: 4 Dec 20229 Dec 2022

Publication series

NameProceedings of the Coastal Engineering Conference
Number37
ISSN (Print)0161-3782

Conference

Conference37th International Conference on Coastal Engineering, ICCE 2022
Country/TerritoryAustralia
CitySydney
Period4/12/229/12/22

Bibliographical note

Publisher Copyright:
© 2023 American Society of Civil Engineers (ASCE). All rights reserved.

Funding

The authors express their thanks to APA and POSEUR-02-1809-FC-000071 that co-funded the feasibility study, to COSMO program (https://cosmo.apambiente.pt/) developed and implemented by APA and co-funded by POSEUR-02-1809-FC-000004, to RISCO and CESAM Research Centers, to FCT by the financial support provided to Ferreira, M. by the PhD grant 2021.07269.BD, to all members of the team that developed the study and all public entities that cooperate with the investigation.

FundersFunder number
Fundação para a Ciência e a Tecnologia2021.07269

Keywords

  • Portugal
  • artificial sand bypassing
  • coastal management
  • cost-benefit
  • erosion
  • numerical modelling

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