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Palaeowaters from the Glatt Valley, Switzerland

By
R. Purtschert
R. Purtschert
Physics Institute, University of Bern, 3012 Bern, Switzerland
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U. Beyerle
U. Beyerle
Physics Institute, University of Bern, 3012 Bern, Switzerland
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W. Aeschbach-Hertig
W. Aeschbach-Hertig
Physics Institute, University of Bern, 3012 Bern, Switzerland
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R. Kipfer
R. Kipfer
Physics Institute, University of Bern, 3012 Bern, Switzerland
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H. H. Loosli
H. H. Loosli
Physics Institute, University of Bern, 3012 Bern, Switzerland
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Published:
January 01, 2001

Abstract

Isotopic and noble gas data from a confined gravel aquifer in the Swiss Plateau has been investigated. From glaciomorphological studies it is well known that the Glatt Valley was repeatedly ice covered during the last glacial period. Corrected radiocarbon ages range from 0 to > 28 ka bp and reveal a gap of between 25 and 17 ka Be, indicating an interruption of groundwater recharge during the last glacial maximum. Based on 39Ar measurements, a contribution of younger water components with residence times of a few hundred years have been identified in some waters. Recharge temperatures, estimated by analysis of noble gas contents, suggest a temperature difference of c. 5°C at the Holocene–Pleistocene transition at 12 ka bp. The long-term temporal 5180-recharge temperature relation over the last 30 ka has a slope of c. 0.49‰ °C−1, consistent with the modern seasonal relation.

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Geological Society, London, Special Publications

Palaeowaters in Coastal Europe: Evolution of Groundwater since the Late Pleistocene

W. M. Edmunds
W. M. Edmunds
British Geological Survey, Wallingford, UK
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C. J. Milne
C. J. Milne
British Geological Survey, Wallingford, UK
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Geological Society of London
Volume
189
ISBN electronic:
9781862394377
Publication date:
January 01, 2001

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