Movie:Coastal Bluff Erosion

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Information Page: Coastal Bluff Erosion

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Key Attributes

Domain: terrestrial, coastal
Model name: Animation model name
Name: BFM, TV
Where: Saint-Jouin-Bruneval, France
When: 1m13s


Short Description

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/

http://coastalcare.org/2013/07/normandy-cliff-collapses-onto-beach-at-st-jouin-bruneval/

Theory

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

Links

References



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