Sefton Coast’s vulnerability to coastal flooding using DEM data

Irene Delgado-Fernandez, Matthew McBride, Rachel Platt, Mark Cameron

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Abstract

A preliminary analysis of the vulnerability of the Sefton coast to coastal flooding was carried out using a high-resolution DEM and census data from 2011. Results indicate that up to 12,500 people live within areas below the significant dune erosion level. Low-lying areas are clustered in two main locations, the South Formby / Hightown and Southport. High dunes from 15 to 35 m high are common in the central part of the Sefton Coast, including Formby Point and Ainsdale. This highlights the significance of the Sefton dune field system as a potential defence mechanism against coastal erosion and flooding, and the need to consider management schemes that would allow the dunes to adapt to sea level rise and climate change.
Original languageEnglish
Pages (from-to)1-8
JournalNorth West Geography
Volume15
Issue number1
Publication statusE-pub ahead of print - 30 Jun 2015

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