Mechanisms of Coastal Cliff Erosion in Ceredigion, West Wales, UK

by A. T. Williams, Polytechnic of Wales, Pontypridd, United Kingdom,
D. G. Jones, Polytechnic of Wales, Pontypridd, United Kingdom,

Abstract: Investigation of cliff recession along 20km of the West Wales coastline has recognised erosion processes and mechanisms. Mean contemporary recession rates of 13cm/year have been measured in glacial embayments where storm-wave action is considered the primary direct agent initiating cliff erosion. Morphological and field mapping evidence suggested that different mechanisms have produced recession in other areas, i.e. sub-aerial processes, marine exposure and rockfall activity.

Subject Headings: Cliffs | Erosion | Coastal processes | Coastal environment | Sea water | Ocean waves | Landslides | Shores | United Kingdom | Wales | Europe

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