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South East: UAV Photogrammetry for Sea Cliff Erosion & Stability Analysis
Event type:
Evening meeting, Lecture, Regional Group
Organised by:
South East Regional Group
Venue:
The Bell Inn, Godstone
Event status:
EVENT CLOSED
Our speaker tonight is Dr John Barlow, whose research focuses on the use of remote sensing to detect geomorphic change. In his talk he will be discussing the use of digital photogrammetry taken from drone aircraft to create 3D models of chalk sea cliffs at Telscombe in East Sussex.
Here the cliff face is 750 m long and ranges from 20 - 49 m in height. Structural features such as joints, bedding planes, and faults are manually mapped and these data are used to create a stereonet of the discontinuities within the rock mass which is consistent with results obtained from other studies that have been conducted using direct measurement in the field. From this, it is possible to carry out an assessment of the differing modes of failure at the site.
The results indicate that wedge failure is by far the most likely mode of slope instability.
Speaker
Dr Barlow completed his BSc (hons) and MES at Wilfrid Laurier University. His honours and masters theses focused on mass movements along the Niagara Escarpment in Ontario. He received his PhD from the University of Calgary for research into the automated detection of rapid mass movements using digital data.
Upon completion of his doctoral research, John did post-doctoral work at both the University of Saskatchewan and Durham University. He has been a lecturer in Applied Geomorphology at the University of Sussex since 2011.
Venue
The Bell Inn, Godstone, Surrey RH9 8DX
Time
6.00pm for 6.30pm start