Abstract
Shore platform erosion is considered to be a driving mechanism for cliff recession on many rocky coasts and a threat to the stability of cliff defence structures, yet the spatial pattern of platform erosion, as well as the rate of lowering, is poorly documented. Measurements based on techniques such as the Micro-Erosion Meter or portable laser scanner, though highly accurate for short time scales and specific locations, are difficult to extrapolate in space and time. They also fail to measure meso-scale changes such as block removal. This chapter describes and illustrates a photogrammetric method of quantifying spatial and temporal changes on shore platforms.
This chapter was published earlier in the Journal of Coastal Conservation 11:193–200 (2007).
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Acknowledgements
The authors would like to thank the Environment Agency for access to the air photographs and their DEM data, Brighton and Hove City Council for access to their survey data between Brighton and Rottingdean, and the MAST III funded ESPED project for access to Alain Hénaff’s survey data at Peacehaven. This study was funded by the Beaches At Risk INTERREG III project.
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Dornbusch, U., Moses, C., Robinson, D.A., Williams, R. (2010). Soft Copy Photogrammetry to Measure Shore Platform Erosion on Decadal Time Scales. In: Green, D. (eds) Coastal and Marine Geospatial Technologies. Coastal Systems and Continental Margins, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-9720-1_13
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DOI: https://doi.org/10.1007/978-1-4020-9720-1_13
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