Littoral drift barriers and the problem of proving accelerated recession

Barton, M.E. and Brown, S. (2014) Littoral drift barriers and the problem of proving accelerated recession. Lollino, G., Manconi, A., Locat, J., Huang, Y. and Canals Artigas, M. (eds.) In Engineering Geology for Society and Territory: Marine and Coastal Processes. vol. 4, Springer. pp. 9-12 . (doi:10.1007/978-3-319-08660-6_2).

Abstract

A barrier to longshore drift has the potential to cause downdrift erosion. Understanding this problem means that any new construction of a groyne field or breakwater should be accompanied by monitoring to record changes in beach volumes and profiles as well potential erosion of the coastline. In the past, such care may not have happened, especially in those cases involving boundaries between authorities responsible for the coast, or where the ground liable to be eroded was not considered to be of high value. This paper proposes a way by which previous groyne construction, or other coastal works, may be deemed responsible for increasing the rate of erosion beyond a value which could be ascribed to being the result of a natural variation in recession rate

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Contributors

Author: S. Brown

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