Articles | Volume 11, issue 11
https://doi.org/10.5194/cp-11-1491-2015
© Author(s) 2015. 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-11-1491-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Abrupt climate and vegetation variability of eastern Anatolia during the last glacial
N. Pickarski
CORRESPONDING AUTHOR
University of Bonn, Steinmann Institute for Geology, Mineralogy, and Paleontology, Bonn, Germany
O. Kwiecien
Ruhr-University Bochum, Sediment and Isotope Geology, Bochum, Germany
D. Langgut
Tel Aviv University, Institute of Archaeology, Tel Aviv, Israel
T. Litt
University of Bonn, Steinmann Institute for Geology, Mineralogy, and Paleontology, Bonn, Germany
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Cinthya Esther Nava Fernandez, Tobias Braun, Bethany Fox, Adam Hartland, Ola Kwiecien, Chelsea Pederson, Sebastian Hoepker, Stefano Bernasconi, Madalina Jaggi, John Hellstrom, Fernando Gázquez, Amanda French, Norbert Marwan, Adrian Immenhauser, and Sebastian Franz Martin Breitenbach
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Manuscript not accepted for further review
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We present a new detailed pollen and isotope record from Lake Van (Turkey) spanning the period from 250 to 128 ka. In contrast to SW Europe, all three terrestrial warm intervals at Lake Van are characterized by clear interglacial conditions. The largest forest expansion occurred during MIS 7c instead of MIS 7e. Our record also reveals high oscillations between 193 and 157 ka followed by low variations (157 to 131 ka) that highlighted Dansgaard–Oeschger-like events during the penultimate glacial.
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Subject: Vegetation Dynamics | Archive: Terrestrial Archives | Timescale: Millenial/D-O
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Ultra-high resolution pollen record from the northern Andes reveals rapid shifts in montane climates within the last two glacial cycles
Elisabeth Dietze, Kai Mangelsdorf, Andrei Andreev, Cornelia Karger, Laura T. Schreuder, Ellen C. Hopmans, Oliver Rach, Dirk Sachse, Volker Wennrich, and Ulrike Herzschuh
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Long-term climate change impacts on fire, vegetation and permafrost in the Arctic are uncertain. Here, we show the high potential of organic compounds from low-temperature biomass burning to serve as proxies for surface fires in lake deposits. During warm periods of the last 430 000 years, surface fires are closely linked to the larch taiga forest with its moss–lichen ground vegetation that isolates the permafrost. They have reduced in warm–wet, spruce–dominated and cool–dry steppe environments.
Nadine Pickarski and Thomas Litt
Clim. Past, 13, 689–710, https://doi.org/10.5194/cp-13-689-2017, https://doi.org/10.5194/cp-13-689-2017, 2017
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We present a new detailed pollen and isotope record from Lake Van (Turkey) spanning the period from 250 to 128 ka. In contrast to SW Europe, all three terrestrial warm intervals at Lake Van are characterized by clear interglacial conditions. The largest forest expansion occurred during MIS 7c instead of MIS 7e. Our record also reveals high oscillations between 193 and 157 ka followed by low variations (157 to 131 ka) that highlighted Dansgaard–Oeschger-like events during the penultimate glacial.
Dunia H. Urrego, Henry Hooghiemstra, Oscar Rama-Corredor, Belen Martrat, Joan O. Grimalt, Lonnie Thompson, Mark B. Bush, Zaire González-Carranza, Jennifer Hanselman, Bryan Valencia, and César Velásquez-Ruiz
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We compare eight pollen records reflecting environmental change in the tropical Andes over the past 30 000 years. Our analysis focuses on the signature of millennial-scale climate variability in the tropical Andes: Heinrich stadials (HS) and Greenland interstadials (GI). We identify rapid responses of the tropical vegetation, with downslope upper forest line (UFL) migrations and cooling during HS and the Younger Dryas.
Andrea Miebach, Phoebe Niestrath, Patricia Roeser, and Thomas Litt
Clim. Past, 12, 575–593, https://doi.org/10.5194/cp-12-575-2016, https://doi.org/10.5194/cp-12-575-2016, 2016
Short summary
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We analyze the vegetation and climate in northwestern Turkey during the last ca. 31 000 years based on a new pollen data set from lacustrine sediment cores. The study reveals vegetation responses to long-term and rapid climate changes. Moreover, it documents human activities in the catchment of Lake Iznik and shows a clear anthropogenic impact on the vegetation since the Early Bronze Age.
S. G. A. Flantua, M. Blaauw, and H. Hooghiemstra
Clim. Past, 12, 387–414, https://doi.org/10.5194/cp-12-387-2016, https://doi.org/10.5194/cp-12-387-2016, 2016
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We present a review of chronological dating from ca. 1100 fossil pollen records in Central and South America. Additionally, a temporal quality assessment is implemented on 292 records from northwest South America, which include recalibrating 234 age models. This method evaluates uncertainties for inferred sample ages and chronologies. Important time windows on centennial-millennial climate variability are discussed for sample resolution (estimated years/sample) and temporal uncertainty.
K. Panagiotopoulos, A. Böhm, M. J. Leng, B. Wagner, and F. Schäbitz
Clim. Past, 10, 643–660, https://doi.org/10.5194/cp-10-643-2014, https://doi.org/10.5194/cp-10-643-2014, 2014
M. H. M. Groot, R. G. Bogotá, L. J. Lourens, H. Hooghiemstra, M. Vriend, J. C. Berrio, E. Tuenter, J. Van der Plicht, B. Van Geel, M. Ziegler, S. L. Weber, A. Betancourt, L. Contreras, S. Gaviria, C. Giraldo, N. González, J. H. F. Jansen, M. Konert, D. Ortega, O. Rangel, G. Sarmiento, J. Vandenberghe, T. Van der Hammen, M. Van der Linden, and W. Westerhoff
Clim. Past, 7, 299–316, https://doi.org/10.5194/cp-7-299-2011, https://doi.org/10.5194/cp-7-299-2011, 2011
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