cff-version: 1.2.0 abstract: "

This dataset includes all data which were collected as part of this study on how small-scale gradients in sediment characteristics can act as early indicators for saltmarsh cliff initiation, which typically proceeds marsh erosion and retreat. Data include those from three stages of testing: i) field measurements of sediment characteristics around saltmarsh edges ii) fast flow flume (FFF) measurements of sediment erodibility of samples surrounding saltmarsh edges and iii) a wave mesocosm experiment to identify whether sediment offsets proceed a saltmarsh cliff forming. . Overall, we provide insight into the role of small-scale gradients in sediment stability for driving the long-term dynamics of biogeomorphic saltmarshes, which can be used as early indicators to identify cliff-prone saltmarsh areas.

" authors: - family-names: Mason given-names: Victoria orcid: "https://orcid.org/0000-0001-7589-5476" - family-names: Willemsen given-names: Pim orcid: "https://orcid.org/0000-0002-6378-6392" - family-names: Muller given-names: Jos orcid: "https://orcid.org/0000-0003-1396-3239" - family-names: Borsje given-names: Bas W. orcid: "https://orcid.org/0000-0002-0357-6270" - family-names: van de Koppel given-names: Johan orcid: "https://orcid.org/0000-0002-0103-4275" - family-names: Bouma given-names: T.J. (Tjeerd) orcid: "https://orcid.org/0000-0001-7824-7546" title: "Data underlying the publication: Identifying small-scale gradients in sediment stability as early indicators of saltmarsh cliff initiation" keywords: version: 1 identifiers: - type: doi value: 10.4121/b413c3de-4294-496e-8a18-cb48d8d1f41c.v1 license: CC0 date-released: 2025-08-27