An integral approach to design the Roggenplaat intertidal shoal nourishment

J.J. van der Werf, P.L.M. de Vet, M.P. Boersema, T.J. Bouma, A.J. Nolte, R.A. Schrijvershof, L.M. Soissons, J. Stronkhorst, E. van Zanten, T. Ysebaert

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The Eastern Scheldt, a tidal basin in the southwest of The Netherlands, underwent large physical and ecological changes due to a system-wide human interference. The construction of a storm surge barrier at the seaward side and closure of the upstream branches in the 1980s resulted in intertidal flat erosion. This has far reaching consequences for the ecological functioning of these habitats, especially as foraging ground for many wader species. Therefore, a 1.3 million m3 sand nourishment is foreseen on the Roggenplaat intertidal shoal to mitigate the erosion and preserve suitable foraging habitat for waders for the coming 25 years. This paper presents an integral nourishment design approach. It consists of the following steps: (i) understanding the morphology and ecology, (ii) translation of the nourishment objective into an evaluation framework, (iii) construction of a suitability map indicating potential nourishment locations, (iv) generation of nourishment designs, (v) short-term morphodynamic numerical model simulations, (vi) estimation of the long-term shoal development using a simplified approach, (vii) integral evaluation leading to the preferred design. This integral approach resulted in a design that is expected to fulfill the Roggenplaat nourishment objective, accounting for ecological, morphological, economical and technical aspects. This integrated approach could form a basis for future intertidal shoal nourishment designs worldwide.

LanguageEnglish
Pages30-40
JournalOcean and Coastal Management
Volume172
DOIs
Publication statusPublished - 15 Apr 2019

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foraging
erosion
wader
morphodynamics
storm surge
habitat
habitats
integrated approach
preserves
Netherlands
simulation models
environmental impact
sand
basins
ecology
basin
simulation
evaluation
preserve

Keywords

  • Estuarine management
  • Intertidal shoal
  • Morphological modelling
  • Sediment nourishment design

Cite this

van der Werf, J. J., de Vet, P. L. M., Boersema, M. P., Bouma, T. J., Nolte, A. J., Schrijvershof, R. A., ... Ysebaert, T. (2019). An integral approach to design the Roggenplaat intertidal shoal nourishment. Ocean and Coastal Management, 172, 30-40. https://doi.org/10.1016/j.ocecoaman.2019.01.023
van der Werf, J.J. ; de Vet, P.L.M. ; Boersema, M.P. ; Bouma, T.J. ; Nolte, A.J. ; Schrijvershof, R.A. ; Soissons, L.M. ; Stronkhorst, J. ; van Zanten, E. ; Ysebaert, T. / An integral approach to design the Roggenplaat intertidal shoal nourishment. In: Ocean and Coastal Management. 2019 ; Vol. 172. pp. 30-40.
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van der Werf, JJ, de Vet, PLM, Boersema, MP, Bouma, TJ, Nolte, AJ, Schrijvershof, RA, Soissons, LM, Stronkhorst, J, van Zanten, E & Ysebaert, T 2019, 'An integral approach to design the Roggenplaat intertidal shoal nourishment', Ocean and Coastal Management, vol. 172, pp. 30-40. https://doi.org/10.1016/j.ocecoaman.2019.01.023

An integral approach to design the Roggenplaat intertidal shoal nourishment. / van der Werf, J.J.; de Vet, P.L.M.; Boersema, M.P.; Bouma, T.J.; Nolte, A.J.; Schrijvershof, R.A.; Soissons, L.M.; Stronkhorst, J.; van Zanten, E.; Ysebaert, T.

In: Ocean and Coastal Management, Vol. 172, 15.04.2019, p. 30-40.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - An integral approach to design the Roggenplaat intertidal shoal nourishment

AU - van der Werf, J.J.

AU - de Vet, P.L.M.

AU - Boersema, M.P.

AU - Bouma, T.J.

AU - Nolte, A.J.

AU - Schrijvershof, R.A.

AU - Soissons, L.M.

AU - Stronkhorst, J.

AU - van Zanten, E.

AU - Ysebaert, T.

PY - 2019/4/15

Y1 - 2019/4/15

N2 - The Eastern Scheldt, a tidal basin in the southwest of The Netherlands, underwent large physical and ecological changes due to a system-wide human interference. The construction of a storm surge barrier at the seaward side and closure of the upstream branches in the 1980s resulted in intertidal flat erosion. This has far reaching consequences for the ecological functioning of these habitats, especially as foraging ground for many wader species. Therefore, a 1.3 million m3 sand nourishment is foreseen on the Roggenplaat intertidal shoal to mitigate the erosion and preserve suitable foraging habitat for waders for the coming 25 years. This paper presents an integral nourishment design approach. It consists of the following steps: (i) understanding the morphology and ecology, (ii) translation of the nourishment objective into an evaluation framework, (iii) construction of a suitability map indicating potential nourishment locations, (iv) generation of nourishment designs, (v) short-term morphodynamic numerical model simulations, (vi) estimation of the long-term shoal development using a simplified approach, (vii) integral evaluation leading to the preferred design. This integral approach resulted in a design that is expected to fulfill the Roggenplaat nourishment objective, accounting for ecological, morphological, economical and technical aspects. This integrated approach could form a basis for future intertidal shoal nourishment designs worldwide.

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KW - Estuarine management

KW - Intertidal shoal

KW - Morphological modelling

KW - Sediment nourishment design

U2 - 10.1016/j.ocecoaman.2019.01.023

DO - 10.1016/j.ocecoaman.2019.01.023

M3 - Article

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SP - 30

EP - 40

JO - Ocean & Coastal Management

T2 - Ocean & Coastal Management

JF - Ocean & Coastal Management

SN - 0964-5691

ER -

van der Werf JJ, de Vet PLM, Boersema MP, Bouma TJ, Nolte AJ, Schrijvershof RA et al. An integral approach to design the Roggenplaat intertidal shoal nourishment. Ocean and Coastal Management. 2019 Apr 15;172:30-40. https://doi.org/10.1016/j.ocecoaman.2019.01.023