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. 2019 Dec 4;7(12):1235–1269. doi: 10.1029/2018EF001145

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©2019. The Authors.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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eft2595-fig-0004 — Conceptual sketches for both barrier (a and b) and deltaic systems (c and d) illustrating the difference in shoreline change under passive flooding (Δx _s,p) and dynamic landscape (Δx _s,d) scenarios. In barrier island systems, the shoreline can retreat faster in the dynamic landscape scenario (i.e., Δx _s,d≫>Δx _s,p) as overwash and tidal fluxes move sediment from the ocean side to the lagoon side of the barrier (b). In the case of fluvial deltas, when riverine sediment supply is large enough, the shoreline can migrate seawards despite sea‐level rise (d).