Beyerle, Urs; Purtschert, Roland; Aeschbach-Hertig, Werner; Imboden, Dieter M.; Loosli, Heinz H.; Wieler, Rainer; Kipfer, Rolf (1998). Climate and groundwater recharge during the last glaciation in an ice-covered region. Science, 282(5389), pp. 731-734. American Association for the Advancement of Science 10.1126/science.282.5389.731
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A multitracer study of a small aquifer in northern Switzerland indicates that the atmosphere in central Europe cooled by at least 5°C during the last glacial period. The relation between oxygen isotope ratios (δ18O) and recharge temperatures reconstructed for this period is similar to the present-day one if a shift in the δ18O value of the oceans during the ice age is taken into account. This similarity suggests that the present-day δ18O-temperature relation can be used to reconstruct paleoclimate conditions in northern Switzerland. A gap in calculated groundwater age between about 17,000 and 25,000 years before the present indicates that during the last glacial maximum, local groundwater recharge was prevented by overlying glaciers.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
08 Faculty of Science > Physics Institute > Climate and Environmental Physics |
UniBE Contributor: |
Purtschert, Roland, Loosli, Heinz Hugo |
Subjects: |
500 Science > 530 Physics |
ISSN: |
0036-8075 |
Publisher: |
American Association for the Advancement of Science |
Language: |
English |
Submitter: |
BORIS Import 2 |
Date Deposited: |
18 Aug 2021 16:21 |
Last Modified: |
05 Dec 2022 15:52 |
Publisher DOI: |
10.1126/science.282.5389.731 |
BORIS DOI: |
10.48350/158274 |
URI: |
https://boris.unibe.ch/id/eprint/158274 |
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