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Quarterly Journal of Engineering Geology and Hydrogeology
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Quarterly Journal of Engineering Geology and Hydrogeology; 2008; v. 41; issue.1; p. 123-126;
DOI: 10.1144/1470-9236/07-068
© 2008 Geological Society of London

Discussion of ‘A5 Llyn Ogwen peatslide, Capel Curig, North Wales’ by D. Nichol, G.K. Doherty & M.J. Scott Quarterly Journal of Engineering Geology and Hydrogeology, 40, 293–299

A.P. Dykes1, J. Warburton2, D. Nichol3, G.K. Doherty4 & M.J. Scott5

1 School of Earth Sciences and Geography, Centre for Earth and Environmental Science Research, Kingston University, Penrhyn Road, Kingston-upon-Thames KT1 2EE, UK (a.p.dykes{at}kingston.ac.uk)
2 Department of Geography, Durham University, Science Laboratories, South Road, Durham DH1 2LE, UK
3 North Wales Trunk Road Agency, Units 91–92, Bowen Court, St. Asaph Business Park, St. Asaph LL17 0JE, UK (dougnichol{at}northwales-tra.gov.uk)
4 Gwynedd Consultancy, Environment Directorate, Gwynedd Council, Shirehall Street, Caernarfon L55 1SH, UK
5 GroundSolve Limited, Adlink House, 86 The Highway, Hawarden CH5 3DJ, UK


Figure 1
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  		Fig. 1 The recent peat slide on Bilsdale Moor, North York Moors, NE England, following severe rainfall on 19 June 2005. The scale is 950 m on the long axis of the photograph and the failure (upper left part of the photograph) involved displacement of a large part of the moorland and loss of c. 42 000 m3 of peat and soil downstream.

 

Figure 2
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  		Fig. 2 The head of peaty-debris slide E6 on Dooncarton Mountain, Co. Mayo, western Ireland. The person collecting samples near the far side of the failure scar provides a scale. Inset: soil pipes formed over an iron pan in the subsoil below the peat at debris slide N1 on Dooncarton Mountain (0.25 m ruler for scale).