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Science 15 September 2006:
Vol. 313. no. 5793, p. 1537
DOI: 10.1126/science.313.5793.1537d
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This Week in Science

At the height of the last glaciation, a combination of low sea level and the position of the Fennoscandian and British ice sheets caused much of the runoff from continental Europe to flow through an enormous river that flowed into the Atlantic Ocean through what now is the English Channel, called the Channel River. Ménot et al. (p. 1623) present a record of Channel River activity between about 30,000 and 5,000 years before the present. Its flow began to swell around 22,000 years ago, reached a peak between 19,000 and 17,000 years ago, and ended abruptly then at the start of Heinrich Event 1. This record should help allow models to determine what effect the melting of European glaciers at the end of the Last Glacial Maximum had on ocean circulation, as has been done for the melting of the Laurentide Ice Sheet on the other side of the Atlantic Ocean.




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