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Sedimentary records of coastal storm surges: Evidence of the 1953 North Sea event

Swindles, Graeme T., Galloway, Jennifer M., Macumber, Andrew L., Croudace, Ian W., Emery, Andy R., Woulds, Clare, Bateman, Mark D., Parry, Lauren, Jones, Julie M., Selby, Katherine, Rushby, Greg T., Baird, Andy J., Woodroffe, Sarah A. and Barlow, Natasha L.M. 2018. Sedimentary records of coastal storm surges: Evidence of the 1953 North Sea event. Marine Geology 403 , pp. 262-270. 10.1016/j.margeo.2018.06.013

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The expression of storm events in the geological record is poorly understood; therefore, stratigraphic investigations of known events are needed. The 1953 North Sea storm surge was the largest natural disaster for countries bordering the southern North Sea during the twentieth century. We characterize the spatial distribution of a sand deposit from the 1953 storm surge in a salt marsh at Holkham, Norfolk (UK). Radionuclide measurements, core scanning X-ray fluorescence (Itrax), and particle size analyses, were used to date and characterise the deposit. The deposit occurs at the onset of detectable 137Cs - coeval with the first testing of nuclear weapons in the early 1950s. The sand layer is derived from material eroded from beach and dunes on the seaward side of the salt marsh. After the depositional event, accumulation of finer-grained silt and clay materials resumed. This work has important implications for understanding the responses of salt marshes to powerful storms and provides a near-modern analogue of storm surge events for calibration of extreme wave events in the geological record.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Environmental Sciences
Publisher: Elsevier
ISSN: 0025-3227
Date of First Compliant Deposit: 18 August 2020
Date of Acceptance: 22 June 2018
Last Modified: 05 May 2023 07:28

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