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Shorecasts: a blind-test of shoreline models

Shorecasts: a blind-test of shoreline models
Shorecasts: a blind-test of shoreline models
Predictions of shoreline change are of great societal importance, but models tend to be tested and tuned for the specific site of interest. To overcome this issue and test the ability of numerical models to simulate shoreline change over the medium scale (order of years) we have organized a non-competitive competition where participants were given data to train their model (1999–2014) and data to predict seasonal to inter-annual future changes (2014–2017). Participants were shown the observed shoreline changes only after submission of their modelling results. Overall, 19 numerical models were tested, the vast majority falling in the broad categories of “hybrid models” or “machine learning”. Models were able to reproduce the mean characteristics of shoreline change but often failed to reproduce the observed rapid changes induced by storms.
627-631
World Scientific
Montano, Jenifer
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Coco, Giovanni
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Antolinez, J A A
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Beuzen, T
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Bryan, Karin
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Cagigal, L
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Castelle, Bruno
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Davidson, Mark
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Goldstein, E B
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Vega, R I
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Idier, D
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Ludka, B C
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Ansari, S M
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Mendez, Fernando
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Murray, Brad
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Plant, Nathanial
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Robinet, A
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Rueda, A
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Senechal, N
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Simmons, J A
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Splinter, K D
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Stephens, S
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Townend, Ian
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Vitousek, S
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Vos, K
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Wang, Ping
Rosati, Julie D.
Vallee, Mathieu
Montano, Jenifer
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Coco, Giovanni
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Antolinez, J A A
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Beuzen, T
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Bryan, Karin
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Cagigal, L
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Castelle, Bruno
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Davidson, Mark
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Goldstein, E B
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Vega, R I
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Idier, D
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Ludka, B C
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Ansari, S M
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Mendez, Fernando
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Murray, Brad
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Plant, Nathanial
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Robinet, A
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Rueda, A
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Senechal, N
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Simmons, J A
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Splinter, K D
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Stephens, S
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Townend, Ian
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Vitousek, S
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Vos, K
89c3830d-7e0e-4320-91e8-f9fd22a3dc9c
Wang, Ping
Rosati, Julie D.
Vallee, Mathieu

Montano, Jenifer, Coco, Giovanni, Antolinez, J A A, Beuzen, T, Bryan, Karin, Cagigal, L, Castelle, Bruno, Davidson, Mark, Goldstein, E B, Vega, R I, Idier, D, Ludka, B C, Ansari, S M, Mendez, Fernando, Murray, Brad, Plant, Nathanial, Robinet, A, Rueda, A, Senechal, N, Simmons, J A, Splinter, K D, Stephens, S, Townend, Ian, Vitousek, S and Vos, K (2019) Shorecasts: a blind-test of shoreline models. Wang, Ping, Rosati, Julie D. and Vallee, Mathieu (eds.) In Coastal Sediments 2019: Proceedings of the 9th International Conference. World Scientific. pp. 627-631 . (doi:10.1142/9789811204487_0055).

Record type: Conference or Workshop Item (Paper)

Abstract

Predictions of shoreline change are of great societal importance, but models tend to be tested and tuned for the specific site of interest. To overcome this issue and test the ability of numerical models to simulate shoreline change over the medium scale (order of years) we have organized a non-competitive competition where participants were given data to train their model (1999–2014) and data to predict seasonal to inter-annual future changes (2014–2017). Participants were shown the observed shoreline changes only after submission of their modelling results. Overall, 19 numerical models were tested, the vast majority falling in the broad categories of “hybrid models” or “machine learning”. Models were able to reproduce the mean characteristics of shoreline change but often failed to reproduce the observed rapid changes induced by storms.

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More information

Published date: 2019
Venue - Dates: International Conference on Coastal Sediments: Coastal Sediments 2019, Tampa, St. Petersburg, United States, 2019-05-27 - 2019-05-31

Identifiers

Local EPrints ID: 437556
URI: http://eprints.soton.ac.uk/id/eprint/437556
PURE UUID: f450d81d-ab06-479a-9318-a20e08a57f36
ORCID for Ian Townend: ORCID iD orcid.org/0000-0003-2101-3858

Catalogue record

Date deposited: 05 Feb 2020 17:31
Last modified: 17 Mar 2024 02:54

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Contributors

Author: Jenifer Montano
Author: Giovanni Coco
Author: J A A Antolinez
Author: T Beuzen
Author: Karin Bryan
Author: L Cagigal
Author: Bruno Castelle
Author: Mark Davidson
Author: E B Goldstein
Author: R I Vega
Author: D Idier
Author: B C Ludka
Author: S M Ansari
Author: Fernando Mendez
Author: Brad Murray
Author: Nathanial Plant
Author: A Robinet
Author: A Rueda
Author: N Senechal
Author: J A Simmons
Author: K D Splinter
Author: S Stephens
Author: Ian Townend ORCID iD
Author: S Vitousek
Author: K Vos
Editor: Ping Wang
Editor: Julie D. Rosati
Editor: Mathieu Vallee

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