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How Britain became an island

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18:30 – 19:30 5 May 2011
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Surface Science Research centre, Liverpool University L69 3DR

Speakers: Dr Jenny Collier

Megaflood events involving sudden discharges of exceptionally large volumes of water are rare but they can significantly affect landscape evolution, continental-scale drainage patterns and climate change. Analysis of English Channel high-resolution sonar data shows a large valley containing landforms indicative of large-scale subaerial erosion by high-magnitude water discharges, supporting the megaflood model in which breaching of a rock dam at the Dover Strait instigated catastrophic drainage of a large pro-glacial lake in the southern North Sea basin. Megaflooding explains the permanent isolation of Britain from mainland Europe during interglacial periods and consequently patterns of early human colonisation of Britain, together with the large-scale reorganisation of palaeodrainage in north-west Europe.

Event type: Lecture/Talk
Organised by: Merseyside Branch
Contact details: Email: Mike.poole@stfc.ac.uk

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Surface Science Research centre, Liverpool University L69 3DR
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18:30 – 19:30 5 May 2011
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