Articles | Volume 9, issue 1
https://doi.org/10.5194/cp-9-377-2013
© Author(s) 2013. This work is distributed under
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the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/cp-9-377-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
14 Feb 2013
Research article |
| 14 Feb 2013
Reconstruction of drip-water δ18O based on calcite oxygen and clumped isotopes of speleothems from Bunker Cave (Germany)
Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT, 06511, USA
H. P. Affek
Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT, 06511, USA
T. Marx
Institut für Umweltphysik, Universität Heidelberg, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
W. Aeschbach-Hertig
Institut für Umweltphysik, Universität Heidelberg, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
D. F. C. Riechelmann
Geographisches Institut, Johannes Gutenberg-Universität Mainz, Johann-Joachim-Becher-Weg 21, 55099 Mainz, Germany
D. Scholz
Institut für Geowissenschaften, Johannes Gutenberg-Universität Mainz, Johann-Joachim-Becher-Weg 21, 55099 Mainz, Germany
S. Riechelmann
Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany
A. Immenhauser
Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany
D. K. Richter
Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany
J. Fohlmeister
Heidelberger Akademie der Wissenschaften, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
A. Wackerbarth
Heidelberger Akademie der Wissenschaften, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
A. Mangini
Heidelberger Akademie der Wissenschaften, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
C. Spötl
Institut für Geologie und Paläontologie, Leopold-Franzens-Universität Innsbruck, Innrain 52, 6020 Innsbruck, Austria
Related authors
Tobias Kluge, Tatjana S. Münster, Norbert Frank, Elisabeth Eiche, Regina Mertz-Kraus, Denis Scholz, Martin Finné, and Ingmar Unkel
Clim. Past Discuss., https://doi.org/10.5194/cp-2020-47, https://doi.org/10.5194/cp-2020-47, 2020
Revised manuscript not accepted
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A stalagmite from Hermes Cave (Greece) provides new insights into the climate evolution from 5.3−0.8 ka. Its close proximity to Mycenae and Corinth allows for a future comparative assessment of societal changes in a climatic context. Proxy data suggest significant centennial scale climate variability (i.e., wet vs. dry) with a long-term trend towards drier conditions from ca 3.7 to ~ 2.0 ka. The largest proxy variation of the whole record is found around the 4.2 ka event.
T. Kluge and C. M. John
Biogeosciences, 12, 3289–3299, https://doi.org/10.5194/bg-12-3289-2015, https://doi.org/10.5194/bg-12-3289-2015, 2015
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•Vaterite was synthesized from a NaCl-saturated CaCO3 solution at 23-91°C •Vaterite occurred as pure or dominating phase and amounted up to 235 mg per experiment •The precipitation technique allows thermal and isotopic equilibration and enables oxygen and clumped isotope analyses •18α(vaterite-H2O) has the same temperature dependence as calcite •Vaterite δ18O values can hardly be distinguished from calcite (offset +0.0±0.4‰) •Clumped isotope values are indistinguishable from calibration data
Tobias Kluge, Tatjana S. Münster, Norbert Frank, Elisabeth Eiche, Regina Mertz-Kraus, Denis Scholz, Martin Finné, and Ingmar Unkel
Clim. Past Discuss., https://doi.org/10.5194/cp-2020-47, https://doi.org/10.5194/cp-2020-47, 2020
Revised manuscript not accepted
Short summary
Short summary
A stalagmite from Hermes Cave (Greece) provides new insights into the climate evolution from 5.3−0.8 ka. Its close proximity to Mycenae and Corinth allows for a future comparative assessment of societal changes in a climatic context. Proxy data suggest significant centennial scale climate variability (i.e., wet vs. dry) with a long-term trend towards drier conditions from ca 3.7 to ~ 2.0 ka. The largest proxy variation of the whole record is found around the 4.2 ka event.
T. Kluge and C. M. John
Biogeosciences, 12, 3289–3299, https://doi.org/10.5194/bg-12-3289-2015, https://doi.org/10.5194/bg-12-3289-2015, 2015
Short summary
Short summary
•Vaterite was synthesized from a NaCl-saturated CaCO3 solution at 23-91°C •Vaterite occurred as pure or dominating phase and amounted up to 235 mg per experiment •The precipitation technique allows thermal and isotopic equilibration and enables oxygen and clumped isotope analyses •18α(vaterite-H2O) has the same temperature dependence as calcite •Vaterite δ18O values can hardly be distinguished from calcite (offset +0.0±0.4‰) •Clumped isotope values are indistinguishable from calibration data
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Earth experiences regular ice ages resulting in shifts between cooler and warmer climates. Around 1 million years ago, the ice age cycles grew longer and stronger. We used bacterial and plant lipids preserved in an Arctic lake to reconstruct temperature and vegetation during this climate transition. We find that Arctic land temperatures did not cool much compared to ocean records from this period, and that vegetation shifts correspond with a long-term drying previously reported in the region.
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Laminated sediments from the deepest part of the Dead Sea unravel the hydrological response of the eastern Mediterranean to past climate changes. This study demonstrates the importance of geological archives in complementing modern hydrological measurements that do not fully capture natural hydroclimatic variability, which is crucial to configure for understanding the impact of climate change on the hydrological cycle in subtropical regions.
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J. Zhu, A. Lücke, H. Wissel, C. Mayr, D. Enters, K. Ja Kim, C. Ohlendorf, F. Schäbitz, and B. Zolitschka
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S. Affolter, D. Fleitmann, and M. Leuenberger
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P. S. Minyuk, T. V. Subbotnikova, L. L. Brown, and K. J. Murdock
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A. R. Holland, S. T. Petsch, I. S. Castañeda, K. M. Wilkie, S. J. Burns, and J. Brigham-Grette
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S. Samartin, O. Heiri, A. F. Lotter, and W. Tinner
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