Hydrodynamics and Sediment-Transport Pathways along a Mixed-Energy Spit-Inlet System: A Modeling Study at Chincoteague Inlet (Virginia, USA)

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Author(s)Georgiou, Ioannis Y.
Author(s)Messina, Francesca
Author(s)Sakib, Md Mohiuddin
Author(s)Zou, Shan
Author(s)Foster-Martinez, Madeline
Author(s)Bregman, Martijn
Author(s)Hein, Christopher J.
Author(s)Fenster, Michael S.
Author(s)Shawler, Justin L.
Author(s)McPherran, Kaitlyn
Author(s)Trembanis, Arthur C.
Date Accessioned2024-03-01T21:25:43Z
Date Available2024-03-01T21:25:43Z
Publication Date2023-05-18
DescriptionThis article was originally published in Journal of Marine Science and Engineering. The version of record is available at: https://doi.org/10.3390/jmse11051075. © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
AbstractTidal-inlet systems are dynamic features that respond to short-term (e.g., storms) and longer-term processes (e.g., sea-level rise, changes in tidal prism). The Chincoteague Inlet system, located along the northern Eastern Shore of Virginia (USA), is a dynamic coastal complex that experiences rapid change associated with sediment redistribution and a shifting inlet throat due to the southern elongation of adjacent Assateague Island. In this study, a numerical model based on Delft3D with coupled flow–waves, multiclass sediment transport, and morphologic feedback was developed to quantify the hydrodynamic and geomorphic controls within this rapidly evolving inlet–spit system and to develop a more comprehensive understanding of regional to local controls on sediment-transport pathways. Model results show that most of the sand transport along southern Assateague Island is sequestered nearshore and proximally in deeper sinks within Fishing Point, and, of that, only finer sand sizes are transported around the spit, confirming previous analysis and hypothesis. The model also showed that sand transport toward the south increases along Wallops Island and quantified spatially explicit transport trends for selected sediment classes, revealing that coarser sediment bypassing is a punctuated process that is proportional to storms.
SponsorThis research was supported by funds from the Commonwealth of Virginia under the auspices of the Chincoteague Inlet Modeling Study under contract number CIS2020UNO. The statements, findings, conclusions, and recommendations are those of the author(s) and do not necessarily reflect the views of the Commonwealth of Virginia.
CitationGeorgiou, I.Y.; Messina, F.; Sakib, M.M.; Zou, S.; Foster-Martinez, M.; Bregman, M.; Hein, C.J.; Fenster, M.S.; Shawler, J.L.; McPherran, K.; et al. Hydrodynamics and Sediment- Transport Pathways along a Mixed-Energy Spit-Inlet System: A Modeling Study at Chincoteague Inlet (Virginia, USA). J. Mar. Sci. Eng. 2023, 11, 1075. https://doi.org/ 10.3390/jmse11051075
ISSN2077-1312
URLhttps://udspace.udel.edu/handle/19716/34091
Languageen_US
PublisherJournal of Marine Science and Engineering
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
Keywordshydrodynamics
Keywordssediment transport
KeywordsChincoteague inlet
Keywordssand transport
Keywordssediment budgets
Keywordsstorms
Keywordsclimate action
TitleHydrodynamics and Sediment-Transport Pathways along a Mixed-Energy Spit-Inlet System: A Modeling Study at Chincoteague Inlet (Virginia, USA)
TypeArticle
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