Dataset of collated dune face height and slope angles at failure

This submission contains data and MATLAB scripts for analysing and producing figures of dune face height and slope angle at failure from 10 published studies reference below tied to a journal manuscript titled "Is Dune Face Erosion by Waves Scalable from the Laboratory to the Field?" submitted to Geophysical Research Letters. It combines dune face height and slope angle at failure from 10 published studies with erosion-rate estimates derived from the laboratory data of Conti et al. (2025), used to compare transport of slumped sediment with subsequent notch formation.`DuneHeightsVsSlopesAtFailure.csv` : Spreadsheet in CSV format containing dune face heights (m), face angles at failure (degrees), source studies, run identifiers, toe and crest coordinates where available, and failure-type and vegetation classifications. Blank study cells refer to the preceding study. `ErosionRates.mat` : MATLAB structure `Results` containing 10 paired observations across six experimental runs. `Rnet_slump` and `Rnet_notch` contain the corresponding net transport rates; `SlumpRanges` and `NotchRanges` record the selected analysis intervals. `plot_dune_height_vs_failure_angle.m` : Plots failure angle against dune face height, distinguishes studies and failure types, and fits a constrained exponential relationship. Figure 3 in paper. `plot_erosion_rates.m` : Compares the absolute slump and notch transport rates in paired bars, ordered by increasing slump transport magnitude. Figure 4 in paper. References: Erikson, L., Larson, M., & Hanson, H. (2007). Laboratory investigation of beach scarp and dune recession due to notching and subsequent failure. Marine Geology - MAR GEOLOGY, 245, 1-19. https://doi.org/10.1016/j.margeo.2007.04.006 van Gent, M. R. A., van Thiel de Vries, J. S. M., Coeveld, E. M., de Vroeg, J. H., & van de Graaff, J. (2008). Large-scale dune erosion tests to study the influence of wave periods. Coastal Engineering, 55(12), 1041-1051. https://doi.org/10.1016/j.coastaleng.2008.04.003 Palmsten, M. L., & Holman, R. A. (2011). Infiltration and instability in dune erosion. Journal of Geophysical Research: Oceans, 116(C10). https://doi.org/10.1029/2011JC007083 Feagin, R. A., Innocenti, R. A., Bond, H., Wengrove, M., Huff, T. P., Lomonaco, P., Tsai, B., Puleo, J., Pontiki, M., Figlus, J., Chavez, V., & Silva, R. (2023). Does vegetation accelerate coastal dune erosion during extreme events? Science Advances, 9(24), eadg7135. https://doi.org/10.1126/sciadv.adg7135 Lee, E., Van Dang, H., Shin, S., Yoo, J., & Park, H. (2024). Observations of wave run-up affected by dune scarp during storm conditions: a two dimensional large-scaled movable bed experiment [Original Research]. Frontiers in Marine Science, Volume 11 - 2024. https://doi.org/10.3389/fmars.2024.1369418 van Wiechen, P., Rutten, J., de Vries, S., Tissier, M., Mieras, R., Anarde, K., Baker, C., Reniers, A., & Mol, J.-W. (2024). Measurements of dune erosion processes during the RealDune/REFLEX experiments. Scientific Data, 11(1), 421. https://doi.org/10.1038/s41597-024-03156-9 Conti, S., Splinter, K. D., & Turner, I. L. (2025). Dataset of controlled laboratory measurements of dune erosion under variable waves, water levels and dune pore-moisture Version v1). https://doi.org/10.5281/zenodo.15718380 Mehrtens, B., Vinkelau, L., Bölker, T., Lojek, O., Ahrenbeck, L., Schweiger, C., Kosmalla, V., Schürenkamp, D., & Goseberg, N. (2025). Benchmarking Overview on Methods for Spatiotemporal Detection of Dune Erosion in Physical Modeling. Journal of Waterway, Port, Coastal, and Ocean Engineering, 151(4), 04025012. https://doi.org/doi:10.1061/JWPED5.WWENG-2138 Kosmalla, V., Lojek, O., Ahrenbeck, L., Mehrtens, B., Schweiger, C., Schürenkamp, D., & Goseberg, N. (2026). Vegetation effects on dune erosion under wave collision: Influence of planting density, biomass distribution and arrangement in scaled experiments. Coastal Engineering, 204, 104899. https://doi.org/https://doi.org/10.1016/j.coastaleng.2025.104899 Conti, S., Turner, I. L., & Splinter, K. D. (2026). Field Observations and Geotechnical Modeling of Dune Face Erosion During a Storm (Narrabeen Beach, Australia). Journal of Geophysical Research: Earth Surface, 131(3), e2025JF008860. https://doi.org/https://doi.org/10.1029/2025JF008860