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Catastrophic flooding origin of shelf valley systems in the English Channel

Author

Listed:
  • Sanjeev Gupta

    (Imperial College London, London SW7 2AZ, UK)

  • Jenny S. Collier

    (Imperial College London, London SW7 2AZ, UK)

  • Andy Palmer-Felgate

    (Imperial College London, London SW7 2AZ, UK)

  • Graeme Potter

    (UK Hydrographic Office, Admiralty Way, Taunton, Somerset TA1 2DN, UK)

Abstract

Britain out of Europe... Britain became geographically isolated from continental Europe when high interglacial seas flooded the shallow English Channel and North Sea shelf areas. But a tenuous link remained: the Weald–Artois chalk ridge between southeast England and northwest France. Just how this isthmus was breached, making Britain an island, has been a matter of conjecture. A new bathymetric map of the sea floor may solve the mystery. It reveals a large bedrock-floored valley containing landforms, including grooves and streamlined islands, consistent with a megaflood event caused when a rock dam at the Dover Strait breached, draining a large pro-glacial lake in the North Sea basin.

Suggested Citation

  • Sanjeev Gupta & Jenny S. Collier & Andy Palmer-Felgate & Graeme Potter, 2007. "Catastrophic flooding origin of shelf valley systems in the English Channel," Nature, Nature, vol. 448(7151), pages 342-345, July.
    • Handle: RePEc:nat:nature:v:448:y:2007:i:7151:d:10.1038_nature06018
    DOI: 10.1038/nature06018
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    Cited by:

    1. Gilles Lericolais & Oya Algan & Elmas Kirci-Elmas & Caterina Morigi & Gunay Cifci, 2019. "Overview of the Bosphorus Depositional Fan from Data Sets Recovered on the Black Sea Shelf off the Strait of Istanbul," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 17(2), pages 52-70, February.

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