Articles | Volume 9, issue 2
Earth Surf. Dynam., 9, 183–203, 2021
Earth Surf. Dynam., 9, 183–203, 2021

Research article 17 Mar 2021

Research article | 17 Mar 2021

Quantifying thresholds of barrier geomorphic change in a cross-shore sediment-partitioning model

Daniel J. Ciarletta et al.

Related subject area

Physical: Geomorphology (including all aspects of fluvial, coastal, aeolian, hillslope and glacial geomorphology)
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Earth Surf. Dynam., 9, 145–166,,, 2021
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Growing topography due to contrasting rock types in a tectonically dead landscape
Daniel Peifer, Cristina Persano, Martin D. Hurst, Paul Bishop, and Derek Fabel
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How do modeling choices and erosion zone locations impact the representation of connectivity and the dynamics of suspended sediments in a multi-source soil erosion model?
Magdalena Uber, Guillaume Nord, Cédric Legout, and Luis Cea
Earth Surf. Dynam., 9, 123–144,,, 2021
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Different coastal marsh sites reflect similar topographic conditions under which bare patches and vegetation recovery occur
Chen Wang, Lennert Schepers, Matthew L. Kirwan, Enrica Belluco, Andrea D'Alpaos, Qiao Wang, Shoujing Yin, and Stijn Temmerman
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Coupling threshold theory and satellite-derived channel width to estimate the formative discharge of Himalayan foreland rivers
Kumar Gaurav, François Métivier, A V Sreejith, Rajiv Sinha, Amit Kumar, and Sampat Kumar Tandon
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Cited articles

Aagaard, T., Davidson-Arnott, R., Greenwood, B., and Nielsen, J.: Sediment supply from shoreface to dunes: linking sediment transport measurements and long-term morphological evolution, Geomorphology, 60, 205–224, 2004. 
Ashton, A. D. and Lorenzo-Trueba, J.: Morphodynamics of barrier response to sea-level rise, in: Barrier Dynamics and Response to Changing Climate, Springer, Cham, 277–304, 2018. 
Billy, J., Robin, N., Certain, R., Hein, C., and Berné, S.: Barrier shoreline evolution constrained by shoreface sediment reservoir and substrate control: The Miquelon-Langlade Barrier, NW Atlantic, J. Coast. Res., 65, 2089–2094, 2013. 
Billy, J., Robin, N., Hein, C. J., Certain, R., and FitzGerald, D. M.: Internal architecture of mixed sand-and-gravel beach ridges: Miquelon-Langlade Barrier, NW Atlantic, Mar. Geol., 357, 53–71, 2014. 
Boon, J. D. and Mitchell, M.: Nonlinear change in sea level observed at North American tide stations, J. Coast. Res., 31, 1295–1305, 2015. 
Short summary
The world's sandy coastlines are increasingly altered by humans and sea-level rise, yet quantitative relationships between coastal landscapes and sediment availability remain poorly described. Using a novel modeling framework, we explore the evolution of coastal barrier islands under varying rates of sea-level rise and sediment availability. Our model results suggest that as sea levels increase, minor changes in sediment availability could result in rapid changes to barrier coasts.