Articles | Volume 7, issue 3
https://doi.org/10.5194/cp-7-1011-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-7-1011-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
27 Sep 2011
Research article |
| 27 Sep 2011
Temperature variability at Dürres Maar, Germany during the Migration Period and at High Medieval Times, inferred from stable carbon isotopes of Sphagnum cellulose
R. Moschen
Institute of Bio- and Geosciences: Agrosphere (IBG-3), Research Centre Juelich (Forschungszentrum Jülich), 52425 Juelich, Germany
N. Kühl
Steinmann Institute of Geology, Mineralogy and Paleontology, University of Bonn, 53115 Bonn, Germany
S. Peters
Institute of Geology, University of Cologne (Universität zu Köln), 50923 Koeln, Germany
H. Vos
Institute of Energy and Climate Science: Stratosphere (IEK-7), Research Centre Juelich (Forschungszentrum Jülich), 52425 Juelich, Germany
A. Lücke
Institute of Bio- and Geosciences: Agrosphere (IBG-3), Research Centre Juelich (Forschungszentrum Jülich), 52425 Juelich, Germany
Related subject area
Subject: Continental Surface Processes | Archive: Terrestrial Archives | Timescale: Holocene
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David T. Liefert and Bryan N. Shuman
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A large drought potentially occurred roughly 4200 years ago, but its impacts and significance are unclear. We find new evidence in carbonate oxygen isotopes from a mountain lake in southeastern Wyoming, southern Rocky Mountains, of an abrupt reduction in effective moisture (precipitation–evaporation) or snowpack from approximately 4200–4000 years ago. The drought's prominence among a growing number of sites in the North American interior suggests it was a regionally substantial climate event.
Laura J. Larocca and Yarrow Axford
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Soil respiration is a critical but poorly constrained component of the global carbon cycle. We analyse the effect of changing soil respiration rates on the stable carbon isotope ratio of speleothems from northern Spain covering the last deglaciation. Using geochemical analysis and forward modelling we quantify the processes affecting speleothem stable carbon isotope ratios and extract a signature of increasing soil respiration synchronous with deglacial warming.
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Rosine Cartier, Florence Sylvestre, Christine Paillès, Corinne Sonzogni, Martine Couapel, Anne Alexandre, Jean-Charles Mazur, Elodie Brisset, Cécile Miramont, and Frédéric Guiter
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A major environmental change, 4200 years ago, was recorded in the lacustrine sediments of Lake Petit (Mediterranean Alps). The regime shift was described by a modification in erosion processes in the watershed and aquatic species in the lake. This study, based on the analysis of the lake water balance by using oxygen isotopes in diatoms, revealed that these environmental responses were due to a rapid change in precipitation regime, lasting ca. 500 years.
Simon L. Pendleton, Gifford H. Miller, Robert A. Anderson, Sarah E. Crump, Yafang Zhong, Alexandra Jahn, and Áslaug Geirsdottir
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Recent warming in the high latitudes has prompted the accelerated retreat of ice caps and glaciers, especially in the Canadian Arctic. Here we use the radiocarbon age of preserved plants being exposed by shrinking ice caps that once entombed them. These ages help us to constrain the timing and magnitude of climate change on southern Baffin Island over the past ~ 2000 years. Our results show episodic cooling up until ~ 1900 CE, followed by accelerated warming through present.
Carolyne Pickler, Hugo Beltrami, and Jean-Claude Mareschal
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C. Pickler, H. Beltrami, and J.-C. Mareschal
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J. Ruan, F. Kherbouche, D. Genty, D. Blamart, H. Cheng, F. Dewilde, S. Hachi, R. L. Edwards, E. Régnier, and J.-L. Michelot
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S. Albani, N. M. Mahowald, G. Winckler, R. F. Anderson, L. I. Bradtmiller, B. Delmonte, R. François, M. Goman, N. G. Heavens, P. P. Hesse, S. A. Hovan, S. G. Kang, K. E. Kohfeld, H. Lu, V. Maggi, J. A. Mason, P. A. Mayewski, D. McGee, X. Miao, B. L. Otto-Bliesner, A. T. Perry, A. Pourmand, H. M. Roberts, N. Rosenbloom, T. Stevens, and J. Sun
Clim. Past, 11, 869–903, https://doi.org/10.5194/cp-11-869-2015, https://doi.org/10.5194/cp-11-869-2015, 2015
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We propose an innovative framework to organize paleodust records, formalized in a publicly accessible database, and discuss the emerging properties of the global dust cycle during the Holocene by integrating our analysis with simulations performed with the Community Earth System Model. We show how the size distribution of dust is intrinsically related to the dust mass accumulation rates and that only considering a consistent size range allows for a consistent analysis of the global dust cycle.
H. Beltrami, G. S. Matharoo, L. Tarasov, V. Rath, and J. E. Smerdon
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C. Spötl and H. Cheng
Clim. Past, 10, 1349–1362, https://doi.org/10.5194/cp-10-1349-2014, https://doi.org/10.5194/cp-10-1349-2014, 2014
A. E. Mehl and M. A. Zárate
Clim. Past, 10, 863–875, https://doi.org/10.5194/cp-10-863-2014, https://doi.org/10.5194/cp-10-863-2014, 2014
C. Hély, A.-M. Lézine, and APD contributors
Clim. Past, 10, 681–686, https://doi.org/10.5194/cp-10-681-2014, https://doi.org/10.5194/cp-10-681-2014, 2014
B. Vannière, M. Magny, S. Joannin, A. Simonneau, S. B. Wirth, Y. Hamann, E. Chapron, A. Gilli, M. Desmet, and F. S. Anselmetti
Clim. Past, 9, 1193–1209, https://doi.org/10.5194/cp-9-1193-2013, https://doi.org/10.5194/cp-9-1193-2013, 2013
A. Simonneau, E. Chapron, B. Vannière, S. B. Wirth, A. Gilli, C. Di Giovanni, F. S. Anselmetti, M. Desmet, and M. Magny
Clim. Past, 9, 825–840, https://doi.org/10.5194/cp-9-825-2013, https://doi.org/10.5194/cp-9-825-2013, 2013
A. Francke, B. Wagner, M. J. Leng, and J. Rethemeyer
Clim. Past, 9, 481–498, https://doi.org/10.5194/cp-9-481-2013, https://doi.org/10.5194/cp-9-481-2013, 2013
J. Fohlmeister, A. Schröder-Ritzrau, D. Scholz, C. Spötl, D. F. C. Riechelmann, M. Mudelsee, A. Wackerbarth, A. Gerdes, S. Riechelmann, A. Immenhauser, D. K. Richter, and A. Mangini
Clim. Past, 8, 1751–1764, https://doi.org/10.5194/cp-8-1751-2012, https://doi.org/10.5194/cp-8-1751-2012, 2012
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