Combined digital photogrammetry and time-of-flight laser scanning for monitoring cliff evolution

Lim, Michael, Petley, David N., Rosser, Nicholas J., Allison, Robert J., Long, Antony J. and Pybus, David (2005) Combined digital photogrammetry and time-of-flight laser scanning for monitoring cliff evolution. The Photogrammetric Record, 20 (110). pp. 109-129. ISSN 0031-868X

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Although cliffs form approximately 75% of the world's coastline, the understanding of the processes through which they evolve remains limited because of a lack of quantitative data on the morphological changes they undergo. In this paper the combination of terrestrial time-of-flight laser scanning with high-resolution digital photogrammetry is examined to generate high-quality data-sets pertaining to the geomorphic processes governing cliff development. The study was undertaken on a section of hard rock cliffs in North Yorkshire, UK, which has been monitored over a 12-month period. High-density, laser-scanned point clouds have been used to produce an accurate representation of these complex surfaces, free from the optical variations that degrade photographic data. These data-sets have been combined with high-resolution photographic monitoring, resampled with the fixed accuracies of the terrestrial laser survey, to generate a new approach to recording the volumetric changes in complex coastal cliffs. This has led to significant improvements in the understanding of the activity patterns of coastal cliffs.

Item Type: Article
Uncontrolled Keywords: coastal retreat,digital photogrammetry,high-resolution monitoring,laser scanning,rock cliffs
Faculty \ School:
Faculty of Science > School of Environmental Sciences
Depositing User: Pure Connector
Date Deposited: 11 Sep 2014 14:58
Last Modified: 21 Oct 2022 00:07
DOI: 10.1111/j.1477-9730.2005.00315.x

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