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The implications of cohesive shore platform erosion for coastal management

Lookup NU author(s): Dr Mike Walkden


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The irreversible erosion of cohesive shore platforms plays a large part in controlling the func-tioning of the wider coastal system and poses significant problems for management. Cohesive platforms typically lie along the most rapidly eroding coastlines in the country, for example north Kent, Holderness and Essex, where sand and gravel beaches overlie cohesive clay mate-rials (such as London Clay, glacial till and Holocene mud). The relative contributions from a variety of processes which result in the downcutting of the platform, and the interaction be-tween the platform and non-cohesive beach sediments, are not well understood. This paper provides an appraisal of research, both United Kingdom and worldwide, in the field of cohe-sive shore platform and weathering and erosion. The paper examines how these processes may affect the behaviour of the adjoining beaches and the evolution of cliffs where present. The role of cohesive shore platforms is considered within the geomorphological systems in which they emerge and function. The results are presented in the context of coastal defence and con-servation strategies.

Publication metadata

Author(s): Brew D, Balson P, Pearson S, Hobbs P, Williams R, Robinson D, Moses C, Walkden M

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Paper presented at Littoral

Year of Conference: 2004