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Mixed Sand/Gravel Beach Response to the Beast from the East Storms

Dolphin, T; Burningham, H; Sifnioti, D; Manning, W; Wallbridge, S; Farcas, A; (2020) Mixed Sand/Gravel Beach Response to the Beast from the East Storms. Journal of Coastal Research , 95 (sp1) pp. 463-467. 10.2112/si95-090.1. Green open access

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Abstract

Two large, very long-duration, shore-normal (easterly) storms worked on the Minsmere – Sizewell mixed sand and gravel (MSG) beach frontage (Suffolk, UK) in March 2018. These storms were unusual in their sustained high waves (Hs > 2.1 m, 97.5th percentile) for 140 hours from the east (16% occurrence), compared to the regional median duration of 8.5 hours per storm. Patterns in contour advance/retreat were compared with modelled nearshore wave conditions every 100 m along the 3.3 km frontage. Although there was a positive correlation between the upper supra-tidal beach and wave period, patterns in the beach response were inconsistent and zones of common behaviour could not be explained by the wave data. Postulated explanations include spatial variation in the antecedent morphology and particle-size arrangement within the MSG sediment matrix. Despite the high magnitude of work done by these storms, the lack of barrier erosion suggests that barrier stability is likely for the present sea level under these perceived more-erosive, though less common, easterly storms.

Type: Article
Title: Mixed Sand/Gravel Beach Response to the Beast from the East Storms
Open access status: An open access version is available from UCL Discovery
DOI: 10.2112/si95-090.1
Publisher version: https://meridian.allenpress.com/jcr/article/95/SI/...
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Geography
URI: https://discovery.ucl.ac.uk/id/eprint/10099349
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