Movie:Coastal Bluff Erosion
Information Page: Coastal Bluff Erosion
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Grade level: Middle (6-8), High (9-12), Under graduate (13-16)
Statement: Large cliff block topples onto beach
Abstract: BFM TV, a french television network (http://www.bfmtv.com/), captured spectacular footage of bluff failure occurring in coastal France. BFM TV reported that ~30,000 tons of material was moved.
Also discussed at: http://blogs.agu.org/landslideblog/2013/07/23/rock-topple-france/
Duperret et al. (2002) recently discussed bluff failure at Puys, 75 km to the northeast of the site of the video, Saint-Jouin-Bruneval. In that case they concluded that increased groundwater flow after heavy rain facilitated the collapse.
Coastal Rock Cliff Erosion by Collapse at Puys, France: The Role of Impervious Marl Seams within Chalk of NW Europe Anne Duperret, Albert Genter, Rory N. Mortimore, Baptiste Delacourt and Mick R. De Pomerai Journal of Coastal Research , Vol. 18, No. 1 (Winter, 2002), pp. 52-61
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