Articles | Volume 70, issue 2
https://doi.org/10.5194/egqsj-70-171-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/egqsj-70-171-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Jul 2021
Research article |
| 13 Jul 2021
| 13 Jul 2021
Revisiting the subalpine Mesolithic site Ullafelsen in the Fotsch Valley, Stubai Alps, Austria – new insights into pedogenesis and landscape evolution from leaf-wax-derived n-alkanes, black carbon and radiocarbon dating
Michael Zech
CORRESPONDING AUTHOR
Heisenberg Chair of Physical Geography with Focus on
Paleoenvironmental Research, Department of Geosciences, Technische
Universität Dresden, Helmholtzstr. 10, 01096 Dresden, Germany
Soil Biogeochemistry Group, Institute of Agronomy and Nutritional
Sciences, Martin-Luther University Halle-Wittenberg, Von-Seckendorff-Platz
3, 06120, Halle (Saale), Germany
Marcel Lerch
Heisenberg Chair of Physical Geography with Focus on
Paleoenvironmental Research, Department of Geosciences, Technische
Universität Dresden, Helmholtzstr. 10, 01096 Dresden, Germany
Soil Biogeochemistry Group, Institute of Agronomy and Nutritional
Sciences, Martin-Luther University Halle-Wittenberg, Von-Seckendorff-Platz
3, 06120, Halle (Saale), Germany
Marcel Bliedtner
Chair of Physical Geography, Institute of Geography, Friedrich
Schiller University of Jena, Löbdergraben 32, 07743 Jena, Germany
Tobias Bromm
Soil Biogeochemistry Group, Institute of Agronomy and Nutritional
Sciences, Martin-Luther University Halle-Wittenberg, Von-Seckendorff-Platz
3, 06120, Halle (Saale), Germany
Fabian Seemann
Heisenberg Chair of Physical Geography with Focus on
Paleoenvironmental Research, Department of Geosciences, Technische
Universität Dresden, Helmholtzstr. 10, 01096 Dresden, Germany
Sönke Szidat
Department of Chemistry, Biochemistry and Pharmaceutical Sciences & Oeschger Centre for Climate Change Research, University of Bern,
Freiestrasse 3, 3012 Bern, Switzerland
Gary Salazar
Department of Chemistry, Biochemistry and Pharmaceutical Sciences & Oeschger Centre for Climate Change Research, University of Bern,
Freiestrasse 3, 3012 Bern, Switzerland
Roland Zech
Chair of Physical Geography, Institute of Geography, Friedrich
Schiller University of Jena, Löbdergraben 32, 07743 Jena, Germany
Bruno Glaser
Soil Biogeochemistry Group, Institute of Agronomy and Nutritional
Sciences, Martin-Luther University Halle-Wittenberg, Von-Seckendorff-Platz
3, 06120, Halle (Saale), Germany
Jean Nicolas Haas
Institute of Botany, University of Innsbruck, Sternwartestr. 15,
6020 Innsbruck, Austria
Dieter Schäfer
Institute of Archaeology, University of Innsbruck, Langer Weg 11/3,
6020 Innsbruck, Austria
Clemens Geitner
Institute of Geography, University of Innsbruck, Innrain 52, 6020
Innsbruck, Austria
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Paul D. Zander, Sönke Szidat, Darrell S. Kaufman, Maurycy Żarczyński, Anna I. Poraj-Górska, Petra Boltshauser-Kaltenrieder, and Martin Grosjean
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Johannes Hepp, Imke Kathrin Schäfer, Verena Lanny, Jörg Franke, Marcel Bliedtner, Kazimierz Rozanski, Bruno Glaser, Michael Zech, Timothy Ian Eglinton, and Roland Zech
Biogeosciences, 17, 741–756, https://doi.org/10.5194/bg-17-741-2020, https://doi.org/10.5194/bg-17-741-2020, 2020
Julian Struck, Marcel Bliedtner, Paul Strobel, Jens Schumacher, Enkhtuya Bazarradnaa, and Roland Zech
Biogeosciences, 17, 567–580, https://doi.org/10.5194/bg-17-567-2020, https://doi.org/10.5194/bg-17-567-2020, 2020
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We present leaf wax n-alkanes and their compound-specific (CS) δ13C isotopes from semi-arid and/or arid Mongolia to test their potential for paleoenvironmental reconstructions. Plants and topsoils were analysed and checked for climatic control. Chain-length variations are distinct between grasses and Caragana, which are not biased by climate. However CS δ13C is strongly correlated to climate, so n-alkanes and their CS δ13C show great potential for paleoenvironmental reconstruction in Mongolia.
Christopher Lüthgens, Daniela Sauer, Michael Zech, Becky Briant, Eleanor Brown, Elisabeth Dietze, Markus Fuchs, Nicole Klasen, Sven Lukas, Jan-Hendrik May, Julia Meister, Tony Reimann, Gilles Rixhon, Zsófia Ruszkiczay-Rüdiger, Bernhard Salcher, Tobias Sprafke, Ingmar Unkel, Hans von Suchodoletz, and Christian Zeeden
E&G Quaternary Sci. J., 68, 243–244, https://doi.org/10.5194/egqsj-68-243-2020, https://doi.org/10.5194/egqsj-68-243-2020, 2020
Johannes Hepp, Bruno Glaser, Dieter Juchelka, Christoph Mayr, Kazimierz Rozanski, Imke Kathrin Schäfer, Willibald Stichler, Mario Tuthorn, Roland Zech, and Michael Zech
Biogeosciences Discuss., https://doi.org/10.5194/bg-2019-427, https://doi.org/10.5194/bg-2019-427, 2019
Manuscript not accepted for further review
Bruk Lemma, Betelhem Mekonnen, Bruno Glaser, Wolfgang Zech, Sileshi Nemomissa, Tamrat Bekele, Lucas Bittner, and Michael Zech
E&G Quaternary Sci. J., 68, 189–200, https://doi.org/10.5194/egqsj-68-189-2019, https://doi.org/10.5194/egqsj-68-189-2019, 2019
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Chemotaxonomic identification of keystone plant species in the Bale Mountains are possible using lignin phenols. However, Erica could not be differentiated chemotaxonomically from all other investigated plants using n-alkanes. Unambiguous characteristic patterns of lignin phenols reflected in the plant samples were not sustained in the organic layers and mineral topsoils. This is due to degradation and organic matter inputs by roots. Therefore, the past extent of Erica is still speculative.
Betelhem Mekonnen, Wolfgang Zech, Bruno Glaser, Bruk Lemma, Tobias Bromm, Sileshi Nemomissa, Tamrat Bekele, and Michael Zech
E&G Quaternary Sci. J., 68, 177–188, https://doi.org/10.5194/egqsj-68-177-2019, https://doi.org/10.5194/egqsj-68-177-2019, 2019
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The study evaluates the ability of stable isotopes (δ13C and δ15N) and sugar biomarkers to distinguish Erica from the dominant vegetation of the Bale Mountains in order to reconstruct the past extent of Erica on the Sanetti Plateau. No significant differences in stable isotopes are found between the dominant plant species. Although Erica is characterized by quite high (G+M)/(A+X) ratios, it cannot be unambiguously distinguished from other plants due to degradation and soil microbial effects.
A. Mayr, M. Bremer, M. Rutzinger, and C. Geitner
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-2-W5, 405–412, https://doi.org/10.5194/isprs-annals-IV-2-W5-405-2019, https://doi.org/10.5194/isprs-annals-IV-2-W5-405-2019, 2019
Johannes Hepp, Lorenz Wüthrich, Tobias Bromm, Marcel Bliedtner, Imke Kathrin Schäfer, Bruno Glaser, Kazimierz Rozanski, Frank Sirocko, Roland Zech, and Michael Zech
Clim. Past, 15, 713–733, https://doi.org/10.5194/cp-15-713-2019, https://doi.org/10.5194/cp-15-713-2019, 2019
Karl Espen Yttri, David Simpson, Robert Bergström, Gyula Kiss, Sönke Szidat, Darius Ceburnis, Sabine Eckhardt, Christoph Hueglin, Jacob Klenø Nøjgaard, Cinzia Perrino, Ignazio Pisso, Andre Stephan Henry Prevot, Jean-Philippe Putaud, Gerald Spindler, Milan Vana, Yan-Lin Zhang, and Wenche Aas
Atmos. Chem. Phys., 19, 4211–4233, https://doi.org/10.5194/acp-19-4211-2019, https://doi.org/10.5194/acp-19-4211-2019, 2019
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Carbonaceous aerosols from natural sources were abundant regardless of season. Residential wood burning (RWB) emissions were occasionally equally as large as or larger than of fossil-fuel sources, depending on season and region. RWB emissions are poorly constrained; thus emissions inventories need improvement. Harmonizing emission factors between countries is likely the most important step to improve model calculations for biomass burning emissions and European PM2.5 concentrations in general.
Marcel Bliedtner, Imke K. Schäfer, Roland Zech, and Hans von Suchodoletz
Biogeosciences, 15, 3927–3936, https://doi.org/10.5194/bg-15-3927-2018, https://doi.org/10.5194/bg-15-3927-2018, 2018
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In this study, we systematically analyze leaf wax derived n-alkane patterns in eastern Georgia to test their potential for paleoenvironmental reconstructions in the semi-humid to semi-arid central southern Caucasus region. We investigated the influence of vegetation types on the leaf wax signal in modern plants and topsoil material. Our results show distinct and systematic differences in the n-alkane patterns between vegetation types and prove their potential for vegetation reconstructions.
A. Mayr, M. Rutzinger, and C. Geitner
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2, 691–697, https://doi.org/10.5194/isprs-archives-XLII-2-691-2018, https://doi.org/10.5194/isprs-archives-XLII-2-691-2018, 2018
Arineh Cholakian, Matthias Beekmann, Augustin Colette, Isabelle Coll, Guillaume Siour, Jean Sciare, Nicolas Marchand, Florian Couvidat, Jorge Pey, Valerie Gros, Stéphane Sauvage, Vincent Michoud, Karine Sellegri, Aurélie Colomb, Karine Sartelet, Helen Langley DeWitt, Miriam Elser, André S. H. Prévot, Sonke Szidat, and François Dulac
Atmos. Chem. Phys., 18, 7287–7312, https://doi.org/10.5194/acp-18-7287-2018, https://doi.org/10.5194/acp-18-7287-2018, 2018
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In this work, four schemes for the simulation of organic aerosols in the western Mediterranean basin are added to the CHIMERE chemistry–transport model; the resulting simulations are then compared to measurements obtained from ChArMEx. It is concluded that the scheme taking into account the fragmentation and the formation of nonvolatile organic aerosols corresponds better to measurements; the major source of this aerosol in the western Mediterranean is found to be of biogenic origin.
Athanasia Vlachou, Kaspar R. Daellenbach, Carlo Bozzetti, Benjamin Chazeau, Gary A. Salazar, Soenke Szidat, Jean-Luc Jaffrezo, Christoph Hueglin, Urs Baltensperger, Imad El Haddad, and André S. H. Prévôt
Atmos. Chem. Phys., 18, 6187–6206, https://doi.org/10.5194/acp-18-6187-2018, https://doi.org/10.5194/acp-18-6187-2018, 2018
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Carbonaceous aerosols are related to adverse human health effects, which depend on the aerosol chemical composition and size. Here, we combine aerosol mass spectrometry and radiocarbon measurements of size-resolved samples collected over a long term to identify the origins of primary and secondary carbonaceous aerosols in the fine and coarse modes.
Di Liu, Matthias Vonwiller, Jun Li, Junwen Liu, Sönke Szidat, Yanlin Zhang, Chongguo Tian, Yinjun Chen, Zhineng Cheng, Guangcai Zhong, Pingqing Fu, and Gan Zhang
Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2018-295, https://doi.org/10.5194/acp-2018-295, 2018
Revised manuscript not accepted
Yan-Lin Zhang, Imad El-Haddad, Ru-Jin Huang, Kin-Fai Ho, Jun-Ji Cao, Yongming Han, Peter Zotter, Carlo Bozzetti, Kaspar R. Daellenbach, Jay G. Slowik, Gary Salazar, André S. H. Prévôt, and Sönke Szidat
Atmos. Chem. Phys., 18, 4005–4017, https://doi.org/10.5194/acp-18-4005-2018, https://doi.org/10.5194/acp-18-4005-2018, 2018
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Here we present a quantitative source apportionment of WSOC, isolated from aerosols in China using radiocarbon (14C) and offline high-resolution time of flight aerosol mass spectrometer measurements. We demonstrate a dominant contribution of non-fossil emissions to WSOC aerosols in the Northern Hemisphere. However, the fossil fraction is substantially larger in aerosols from East Asia and the east Asian pollution outflow, especially during winter, due to increasing coal combustion.
Kaspar R. Daellenbach, Imad El-Haddad, Lassi Karvonen, Athanasia Vlachou, Joel C. Corbin, Jay G. Slowik, Maarten F. Heringa, Emily A. Bruns, Samuel M. Luedin, Jean-Luc Jaffrezo, Sönke Szidat, Andrea Piazzalunga, Raquel Gonzalez, Paola Fermo, Valentin Pflueger, Guido Vogel, Urs Baltensperger, and André S. H. Prévôt
Atmos. Chem. Phys., 18, 2155–2174, https://doi.org/10.5194/acp-18-2155-2018, https://doi.org/10.5194/acp-18-2155-2018, 2018
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A novel offline LDI-MS method was developed to analyse particulate matter (PM) collected at multiple sites in central Europe during the entire year of 2013. PM sources were identified by positive matrix factorization. Wood burning emissions were separated according to the burning conditions; inefficient burns had a larger impact on air quality in southern Alpine valleys than in northern Switzerland. Moreover, primary tailpipe exhaust was distinguished from aged/secondary traffic emissions.
Julian Struck, Christopher B. Roettig, Dominik Faust, and Roland Zech
E&G Quaternary Sci. J., 66, 109–114, https://doi.org/10.5194/egqsj-66-109-2018, https://doi.org/10.5194/egqsj-66-109-2018, 2018
Marcel Lerch, Marcel Bliedtner, Christopher-Bastian Roettig, Jan-Uwe Schmidt, Sönke Szidat, Gary Salazar, Roland Zech, Bruno Glaser, Arno Kleber, and Michael Zech
E&G Quaternary Sci. J., 66, 103–108, https://doi.org/10.5194/egqsj-66-103-2018, https://doi.org/10.5194/egqsj-66-103-2018, 2018
Lorenz Wüthrich, Marcel Bliedtner, Imke Kathrin Schäfer, Jana Zech, Fatemeh Shajari, Dorian Gaar, Frank Preusser, Gary Salazar, Sönke Szidat, and Roland Zech
E&G Quaternary Sci. J., 66, 91–100, https://doi.org/10.5194/egqsj-66-91-2017, https://doi.org/10.5194/egqsj-66-91-2017, 2017
Lorenz Wüthrich, Claudio Brändli, Régis Braucher, Heinz Veit, Negar Haghipour, Carla Terrizzano, Marcus Christl, Christian Gnägi, and Roland Zech
E&G Quaternary Sci. J., 66, 57–68, https://doi.org/10.5194/egqsj-66-57-2017, https://doi.org/10.5194/egqsj-66-57-2017, 2017
Tesfaye A. Berhanu, Sönke Szidat, Dominik Brunner, Ece Satar, Rüdiger Schanda, Peter Nyfeler, Michael Battaglia, Martin Steinbacher, Samuel Hammer, and Markus Leuenberger
Atmos. Chem. Phys., 17, 10753–10766, https://doi.org/10.5194/acp-17-10753-2017, https://doi.org/10.5194/acp-17-10753-2017, 2017
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Fossil fuel CO2 is the major contributor of anthropogenic CO2 in the atmosphere, and accurate quantification is essential to better understand the carbon cycle. Such accurate quantification can be conducted based on radiocarbon measurements. In this study, we present radiocarbon measurements from a tall tower site in Switzerland. From these measurements, we have observed seasonally varying fossil fuel CO2 contributions and a biospheric CO2 component that varies diurnally and seasonally.
Prettiny K. Ma, Yunliang Zhao, Allen L. Robinson, David R. Worton, Allen H. Goldstein, Amber M. Ortega, Jose L. Jimenez, Peter Zotter, André S. H. Prévôt, Sönke Szidat, and Patrick L. Hayes
Atmos. Chem. Phys., 17, 9237–9259, https://doi.org/10.5194/acp-17-9237-2017, https://doi.org/10.5194/acp-17-9237-2017, 2017
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Airborne particulate matter (PM) negatively impacts air quality in cities throughout the world. An important fraction of PM is organic aerosol. We have evaluated and developed several new models for secondary organic aerosol (SOA), which is formed from the chemical processing of gaseous precursors. Using our model results, we have quantified important SOA sources and precursors and also identified possible model parameterizations that could be used for air quality predictions.
Vincent Michoud, Jean Sciare, Stéphane Sauvage, Sébastien Dusanter, Thierry Léonardis, Valérie Gros, Cerise Kalogridis, Nora Zannoni, Anaïs Féron, Jean-Eudes Petit, Vincent Crenn, Dominique Baisnée, Roland Sarda-Estève, Nicolas Bonnaire, Nicolas Marchand, H. Langley DeWitt, Jorge Pey, Aurélie Colomb, François Gheusi, Sonke Szidat, Iasonas Stavroulas, Agnès Borbon, and Nadine Locoge
Atmos. Chem. Phys., 17, 8837–8865, https://doi.org/10.5194/acp-17-8837-2017, https://doi.org/10.5194/acp-17-8837-2017, 2017
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The ChArMEx SOP2 field campaign took place from 15 July to 5 August 2013 in the western Mediterranean Basin at Ersa, a remote site in Cape Corse. Exhaustive descriptions of the chemical composition of air masses in gas and aerosol phase were performed. An analysis of these measurements was performed using various source-receptor approaches. This led to the identification of several factors linked to primary sources but also to secondary processes of both biogenic and anthropogenic origin.
Thomas Zieher, Martin Rutzinger, Barbara Schneider-Muntau, Frank Perzl, David Leidinger, Herbert Formayer, and Clemens Geitner
Nat. Hazards Earth Syst. Sci., 17, 971–992, https://doi.org/10.5194/nhess-17-971-2017, https://doi.org/10.5194/nhess-17-971-2017, 2017
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At catchment scale, it is challenging to provide the required input parameters for physically based slope stability models. In the present study, the parameterization of such a model is optimized against observed shallow landslides during two triggering rainfall events. With the resulting set of parameters the model reproduces the location and the triggering timing of most observed landslides. Based on that, potential effects of increasing precipitation intensity on slope stability are assessed.
Célia J. Sapart, Natalia Shakhova, Igor Semiletov, Joachim Jansen, Sönke Szidat, Denis Kosmach, Oleg Dudarev, Carina van der Veen, Matthias Egger, Valentine Sergienko, Anatoly Salyuk, Vladimir Tumskoy, Jean-Louis Tison, and Thomas Röckmann
Biogeosciences, 14, 2283–2292, https://doi.org/10.5194/bg-14-2283-2017, https://doi.org/10.5194/bg-14-2283-2017, 2017
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The Arctic Ocean, especially the Siberian shelves, overlays large areas of subsea permafrost that is degrading. We show that methane with a biogenic origin is emitted from this permafrost. At locations where bubble plumes have been observed, methane can escape oxidation in the surface sediment and rapidly migrate through the very shallow water column of this region to escape to the atmosphere, generating a positive radiative feedback.
Peter Zotter, Hanna Herich, Martin Gysel, Imad El-Haddad, Yanlin Zhang, Griša Močnik, Christoph Hüglin, Urs Baltensperger, Sönke Szidat, and André S. H. Prévôt
Atmos. Chem. Phys., 17, 4229–4249, https://doi.org/10.5194/acp-17-4229-2017, https://doi.org/10.5194/acp-17-4229-2017, 2017
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Most studies use a single Ångström exponent for wood burning (αWB) and traffic (αTR) emissions in the Aethalometer model, used for source apportionment of black carbon, derived from previous work. However, accurate determination of the α values is currently lacking. Comparing radiocarbon measurements (14C) with the Aehtalometer model, good agreement was found, indicating that the Aethalometer model reproduces reasonably well the 14C results using our best estimate of a single αWB and αTR.
Ulrike Dusek, Regina Hitzenberger, Anne Kasper-Giebl, Magdalena Kistler, Harro A. J. Meijer, Sönke Szidat, Lukas Wacker, Rupert Holzinger, and Thomas Röckmann
Atmos. Chem. Phys., 17, 3233–3251, https://doi.org/10.5194/acp-17-3233-2017, https://doi.org/10.5194/acp-17-3233-2017, 2017
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Measurements of the radioactive carbon isotope 14C allow to identify the sources of aerosol carbon. We report an extensive 14C source apportionment record in the Netherlands with samples covering a whole year. We discovered that long-range transport has a large influence on aerosol carbon levels. Fossil fuel carbon is least influenced by long-range transport and more regional in origin. Biomass burning seems to be a minor source of aerosol carbon in the Netherlands.
Chiara Uglietti, Alexander Zapf, Theo Manuel Jenk, Michael Sigl, Sönke Szidat, Gary Salazar, and Margit Schwikowski
The Cryosphere, 10, 3091–3105, https://doi.org/10.5194/tc-10-3091-2016, https://doi.org/10.5194/tc-10-3091-2016, 2016
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A meaningful interpretation of the climatic history contained in ice cores requires a precise chronology. For dating the older and deeper part of the glaciers, radiocarbon analysis can be used when organic matter such as plant or insect fragments are found in the ice. Since this happens rarely, a complementary dating tool, based on radiocarbon dating of the insoluble fraction of carbonaceous aerosols entrapped in the ice, allows for ice dating between 200 and more than 10 000 years.
Jianzhong Xu, Jinsen Shi, Qi Zhang, Xinlei Ge, Francesco Canonaco, André S. H. Prévôt, Matthias Vonwiller, Sönke Szidat, Jinming Ge, Jianmin Ma, Yanqing An, Shichang Kang, and Dahe Qin
Atmos. Chem. Phys., 16, 14937–14957, https://doi.org/10.5194/acp-16-14937-2016, https://doi.org/10.5194/acp-16-14937-2016, 2016
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This study deployed an AMS field study in Lanzhou, a city in northwestern China, evaluating the chemical composition, sources, and processes of urban aerosols during wintertime. In comparison with the results during summer in Lanzhou, the air pollution during winter was more severe and the sources were more complex. In addition, this paper estimates the contributions of fossil and non-fossil sources of organic carbon to primary and secondary organic carbon using the carbon isotopic method.
Imke K. Schäfer, Verena Lanny, Jörg Franke, Timothy I. Eglinton, Michael Zech, Barbora Vysloužilová, and Roland Zech
SOIL, 2, 551–564, https://doi.org/10.5194/soil-2-551-2016, https://doi.org/10.5194/soil-2-551-2016, 2016
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For this study we systematically investigated the molecular pattern of leaf waxes in litter and topsoils along a European transect to assess their potential for palaeoenvironmental reconstruction. Our results show that leaf wax patterns depend on the type of vegetation. The vegetation signal is not only found in the litter; it can also be preserved to some degree in the topsoil.
Vidmantas Ulevicius, Steigvilė Byčenkienė, Carlo Bozzetti, Athanasia Vlachou, Kristina Plauškaitė, Genrik Mordas, Vadimas Dudoitis, Gülcin Abbaszade, Vidmantas Remeikis, Andrius Garbaras, Agne Masalaite, Jan Blees, Roman Fröhlich, Kaspar R. Dällenbach, Francesco Canonaco, Jay G. Slowik, Josef Dommen, Ralf Zimmermann, Jürgen Schnelle-Kreis, Gary A. Salazar, Konstantinos Agrios, Sönke Szidat, Imad El Haddad, and André S. H. Prévôt
Atmos. Chem. Phys., 16, 5513–5529, https://doi.org/10.5194/acp-16-5513-2016, https://doi.org/10.5194/acp-16-5513-2016, 2016
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In early spring the Baltic region is frequently affected by high pollution events due to biomass burning in that area. Here we present a comprehensive study to investigate the impact of biomass/grass burning (BB) on the evolution and composition of aerosol in Preila, Lithuania, during springtime open fires.
Junwen Liu, Jun Li, Di Liu, Ping Ding, Chengde Shen, Yangzhi Mo, Xinming Wang, Chunling Luo, Zhineng Cheng, Sönke Szidat, Yanlin Zhang, Yingjun Chen, and Gan Zhang
Atmos. Chem. Phys., 16, 2985–2996, https://doi.org/10.5194/acp-16-2985-2016, https://doi.org/10.5194/acp-16-2985-2016, 2016
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Many Chinese cities now are suffering the high loadings of fine particular matters, which can bring a lot of negative impacts on air quality, human health, and the climate system. The Chinese government generally focuses on the control of the emissions from vehicles and industry. Our results evidently show that the burning of biomass materials such as wood and agricultural residues can lead to the urban air pollution in China. The characteristic of haze covering China is distinct from regions.
K. R. Daellenbach, C. Bozzetti, A. Křepelová, F. Canonaco, R. Wolf, P. Zotter, P. Fermo, M. Crippa, J. G. Slowik, Y. Sosedova, Y. Zhang, R.-J. Huang, L. Poulain, S. Szidat, U. Baltensperger, I. El Haddad, and A. S. H. Prévôt
Atmos. Meas. Tech., 9, 23–39, https://doi.org/10.5194/amt-9-23-2016, https://doi.org/10.5194/amt-9-23-2016, 2016
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In this study, we developed an offline technique using the AMS for the characterization of the chemical fingerprints of aerosols collected on quartz filters, and evaluated the suitability of the organic mass spectral data for source apportionment. This technique may be used to enhance the AMS capabilities in measuring size-fractionated, spatially resolved long-term data sets.
G. O. Mouteva, S. M. Fahrni, G. M. Santos, J. T. Randerson, Y.-L. Zhang, S. Szidat, and C. I. Czimczik
Atmos. Meas. Tech., 8, 3729–3743, https://doi.org/10.5194/amt-8-3729-2015, https://doi.org/10.5194/amt-8-3729-2015, 2015
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We describe a stepwise uncertainty analysis of 14C measurements of organic (OC) and elemental (EC) carbon fractions of aerosols. Using the Swiss_4S thermal-optical protocol with a newly established trapping setup, we show that we can efficiently isolate and trap each carbon fraction and perform 14C analysis of ultra-small OC and EC samples with high accuracy and low 14C blanks. Our study presents a first step towards the development of a common protocol for OC and EC 14C measurements.
M. Tuthorn, R. Zech, M. Ruppenthal, Y. Oelmann, A. Kahmen, H. F. del Valle, T. Eglinton, K. Rozanski, and M. Zech
Biogeosciences, 12, 3913–3924, https://doi.org/10.5194/bg-12-3913-2015, https://doi.org/10.5194/bg-12-3913-2015, 2015
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Stable water isotopes (18O/16O and 2H/1H) are invaluable proxies for paleoclimate research. Here we use a coupled 18O/16O and 2H/1H biomarker approach based on plant-derived sugars and n-alkanes. Applying this innovative approach to a topsoil transect allows for (i) calculating the deuterium-excess of leaf water as a proxy for relative humidity and (ii) calculating the plant source water isotopic composition (~precipitation). The approach is validated by the presented climate transect results.
P. L. Hayes, A. G. Carlton, K. R. Baker, R. Ahmadov, R. A. Washenfelder, S. Alvarez, B. Rappenglück, J. B. Gilman, W. C. Kuster, J. A. de Gouw, P. Zotter, A. S. H. Prévôt, S. Szidat, T. E. Kleindienst, J. H. Offenberg, P. K. Ma, and J. L. Jimenez
Atmos. Chem. Phys., 15, 5773–5801, https://doi.org/10.5194/acp-15-5773-2015, https://doi.org/10.5194/acp-15-5773-2015, 2015
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(1) Four different parameterizations for the formation and chemical evolution of secondary organic aerosol (SOA) are evaluated using a box model representing the Los Angeles region during the CalNex campaign.
(2) The SOA formed only from the oxidation of VOCs is insufficient to explain the observed SOA concentrations.
(3) The amount of SOA mass formed from diesel vehicle emissions is estimated to be 16-27%.
(4) Modeled SOA depends strongly on the P-S/IVOC volatility distribution.
J. P. Krüger, J. Leifeld, S. Glatzel, S. Szidat, and C. Alewell
Biogeosciences, 12, 2861–2871, https://doi.org/10.5194/bg-12-2861-2015, https://doi.org/10.5194/bg-12-2861-2015, 2015
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Biogeochemical soil parameters are studied to detect peatland degradation along a land use gradient (intensive, extensive, near-natural). Stable carbon isotopes, radiocarbon ages and ash content confirm peat growth in the near-natural bog but also indicate previous degradation. When the bog is managed extensively or intensively as grassland, all parameters indicate degradation and substantial C loss of the order of 18.8 to 42.9 kg C m-2.
L. R. Crilley, W. J. Bloss, J. Yin, D. C. S. Beddows, R. M. Harrison, J. D. Allan, D. E. Young, M. Flynn, P. Williams, P. Zotter, A. S. H. Prevot, M. R. Heal, J. F. Barlow, C. H. Halios, J. D. Lee, S. Szidat, and C. Mohr
Atmos. Chem. Phys., 15, 3149–3171, https://doi.org/10.5194/acp-15-3149-2015, https://doi.org/10.5194/acp-15-3149-2015, 2015
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Wood is a renewable fuel but its combustion for residential heating releases a number of locally acting air pollutants, most notably particulate matter known to have adverse effects on human health. This paper used chemical tracers for wood smoke to estimate the contribution that burning wood makes to concentrations of airborne particles in the atmosphere of southern England and most particularly in London.
Y.-L. Zhang, R.-J. Huang, I. El Haddad, K.-F. Ho, J.-J. Cao, Y. Han, P. Zotter, C. Bozzetti, K. R. Daellenbach, F. Canonaco, J. G. Slowik, G. Salazar, M. Schwikowski, J. Schnelle-Kreis, G. Abbaszade, R. Zimmermann, U. Baltensperger, A. S. H. Prévôt, and S. Szidat
Atmos. Chem. Phys., 15, 1299–1312, https://doi.org/10.5194/acp-15-1299-2015, https://doi.org/10.5194/acp-15-1299-2015, 2015
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Source apportionment of fine carbonaceous aerosols using radiocarbon and other organic markers measurements during 2013 winter haze episodes was conducted at four megacities in China. Our results demonstrate that fossil emissions predominate EC with a mean contribution of 75±8%, whereas non-fossil sources account for 55±10% of OC; and the increment of TC on heavily polluted days was mainly driven by the increase of secondary OC from both fossil-fuel and non-fossil emissions.
P. Zotter, V. G. Ciobanu, Y. L. Zhang, I. El-Haddad, M. Macchia, K. R. Daellenbach, G. A. Salazar, R.-J. Huang, L. Wacker, C. Hueglin, A. Piazzalunga, P. Fermo, M. Schwikowski, U. Baltensperger, S. Szidat, and A. S. H. Prévôt
Atmos. Chem. Phys., 14, 13551–13570, https://doi.org/10.5194/acp-14-13551-2014, https://doi.org/10.5194/acp-14-13551-2014, 2014
M. Zech, R. Zech, K. Rozanski, A. Hemp, G. Gleixner, and W. Zech
Biogeosciences Discuss., https://doi.org/10.5194/bgd-11-7823-2014, https://doi.org/10.5194/bgd-11-7823-2014, 2014
Preprint withdrawn
Related subject area
Geoarchaeology
The Holocene evolution of the fluvial system of the southern Hessische Ried (Upper Rhine Graben, Germany) and its role for the use of the river Landgraben as a waterway during Roman times
New insights into complex social organization in the southern Caucasus – Late Bronze Age–Early Iron Age settlement patterns in the Shiraki Plain (southeast Georgia)
Lost and potentially found: the location of the “Temple of Hermes” at ancient Bubastis in the Nile Delta
The loess landscapes of the Lower Rhine Embayment as (geo-)archeological archives – insights and challenges from a geomorphological and sedimentological perspective
Late Weichselian–Holocene valley development of the Elbe valley near Dresden – linking sedimentation, soil formation and archaeology
A pedo-geomorphological view on land use and its potential in the surroundings of the ancient Hispano-Roman city Munigua (Seville, SW Spain)
Preface: Special issue “Geoarchaeology of the Nile Delta”
Reconstruction of former channel systems in the northwestern Nile Delta (Egypt) based on corings and electrical resistivity tomography (ERT)
Sandhills, sandbanks, waterways, canals and sacred lakes at Sais in the Nile Delta
The late Holocene record of Lake Mareotis, Nile Delta, Egypt
Significant depositional changes offshore the Nile Delta in late third millennium BCE: relevance for Egyptology
Implications of geoarchaeological investigations for the contextualization of sacred landscapes in the Nile Delta
Western Mareotis lake(s) during the Late Holocene (4th century BCE–8th century CE): diachronic evolution in the western margin of the Nile Delta and evidence for the digging of a canal complex during the early Roman period
A new look at the Butic Canal, Egypt
Towards timing and stratigraphy of the Bronze Age burial mound royal tomb (Königsgrab) of Seddin (Brandenburg, northeastern Germany)
Mapping buried paleogeographical features of the Nile Delta (Egypt) using the Landsat archive
New findings of Middle Stone Age lithic artifacts from the Matmata loess region in southern Tunisia
Sediment-filled karst depressions and riyad – key archaeological environments of south Qatar
Preface: Special Issue “Geoarchaeology and past human–environment interactions”
Combining geomorphological–hydrological analyses and the location of settlement and raw material sites – a case study on understanding prehistoric human settlement activity in the southwestern Ethiopian Highlands
Holocene floodplain evolution in a central European loess landscape – geoarchaeological investigations of the lower Pleiße valley in NW Saxony
Neolithic settlement dynamics derived from archaeological data and colluvial deposits between the Baar region and the adjacent low mountain ranges, southwest Germany
Archaeology and agriculture: conflicts and solutions
Fortification, mining, and charcoal production: landscape history at the abandoned medieval settlement of Hohenwalde at the Faule Pfütze (Saxony, Eastern Ore Mountains)
New data from the Middle Palaeolithic Cotencher cave (Swiss Jura): site formation, environment, and chronology
Elena Appel, Thomas Becker, Dennis Wilken, Peter Fischer, Timo Willershäuser, Lea Obrocki, Henrik Schäfer, Markus Scholz, Olaf Bubenzer, Bertil Mächtle, and Andreas Vött
E&G Quaternary Sci. J., 73, 179–202, https://doi.org/10.5194/egqsj-73-179-2024, https://doi.org/10.5194/egqsj-73-179-2024, 2024
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Human intervention in the natural drainage system of the Hessische Ried (Germany) resulted in the transformation of a large wetland into a cultural landscape. In this study, we reconstruct the river network that was used by Romans for transportation and security. We found that the Romans collected water from several smaller rivers to establish the river Landgraben as a navigable waterway. Unexpectedly, larger rivers did not contribute any water to the Landgraben system during Roman times.
Levan Losaberidze, Giorgi Kirkitadze, Mate Akhalaia, Mikheil Lobjanidze, Michael Zimmerman, and Mikheil Elashvili
E&G Quaternary Sci. J., 73, 145–158, https://doi.org/10.5194/egqsj-73-145-2024, https://doi.org/10.5194/egqsj-73-145-2024, 2024
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The study of past environmental changes and their effects on cultures provides key information to reconstruct human–environmental interactions and model how climate change affects cultures and possible avenues of future adaptation. The Shiraki Plain is an uninhabited plain largely devoid of water resources. However, traces of extensive Bronze Age civilization with complex social organization were revealed, featuring the typology of settlements, their ages, and spatial planning.
Philipp Garbe, Amr Abd El-Raouf, Ashraf Es-Senussi, Eva Lange-Athinodorou, and Julia Meister
E&G Quaternary Sci. J., 73, 95–99, https://doi.org/10.5194/egqsj-73-95-2024, https://doi.org/10.5194/egqsj-73-95-2024, 2024
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Geoarchaeological research in ancient Bubastis has concentrated on the western and central parts of the city. Although the “Temple of Hermes” was investigated and roughly located in eastern Bubastis during exploratory excavations in the 19th century, no traces of the temple can be seen on the surface today. Geomorphological surveys carried out in 2023 to determine the possible location of the temple revealed a central area of elevated sandy deposits, providing a suitable area for the building.
Frank Lehmkuhl, Philipp Schulte, Wolfgang Römer, and Stephan Pötter
E&G Quaternary Sci. J., 72, 203–218, https://doi.org/10.5194/egqsj-72-203-2023, https://doi.org/10.5194/egqsj-72-203-2023, 2023
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Research in loess landscapes provides evidence for the paleoenvironmental settings for past human societies and for the paleoclimate evolution of the past. Archeological and geoscientific investigations must consider different relief settings due to erosion, slope wash, accumulation of sediments and relocation of artifacts. The Lower Rhine Embayment can serve as a blueprint for such research as a typical loess landscape of Central Europe.
Christian Tinapp, Johannes Selzer, Norman Döhlert-Albani, Birgit Fischer, Susann Heinrich, Christoph Herbig, Frauke Kreienbrink, Tobias Lauer, Birgit Schneider, and Harald Stäuble
E&G Quaternary Sci. J., 72, 95–111, https://doi.org/10.5194/egqsj-72-95-2023, https://doi.org/10.5194/egqsj-72-95-2023, 2023
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Excavations by the Saxonian Archaeological Heritage Office were conducted in the Elbe valley between Meißen and Dresden, preceding the construction of two natural gas pipelines. Two important multicultural, prehistoric sites were discovered and examined. Through a multimethod approach, the structure of sediments and soils in combination with the archaeological finds could be deciphered, providing a glimpse into the late Weichselian and Holocene valley development of the upper Elbe.
André Kirchner, Nico Herrmann, Paul Matras, Iris Müller, Julia Meister, and Thomas G. Schattner
E&G Quaternary Sci. J., 71, 123–143, https://doi.org/10.5194/egqsj-71-123-2022, https://doi.org/10.5194/egqsj-71-123-2022, 2022
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Our results indicate that the soils around Munigua currently have the potential for at least limited agricultural use in larger areas and would certainly allow the production of basic agricultural goods, not only today but most likely also in Roman times. Multi-layered colluvial deposits. as well as an excavated Roman hortic Anthrosol, indicate a long-term agrarian utilization of the area. Based on these results we can conclude that the city's economy was by no means focused solely on mining.
Julia Meister, Eva Lange-Athinodorou, and Tobias Ullmann
E&G Quaternary Sci. J., 70, 187–190, https://doi.org/10.5194/egqsj-70-187-2021, https://doi.org/10.5194/egqsj-70-187-2021, 2021
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This is the preface to the special issue "Geoarchaeology of the Nile Delta: Current Research and Future Prospects", which brings together geoarchaeological case studies from different regions of the Nile Delta.
Marina Altmeyer, Martin Seeliger, Andreas Ginau, Robert Schiestl, and Jürgen Wunderlich
E&G Quaternary Sci. J., 70, 151–164, https://doi.org/10.5194/egqsj-70-151-2021, https://doi.org/10.5194/egqsj-70-151-2021, 2021
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Kom el-Gir, an ancient settlement hill in the northwestern Nile Delta, is only one of many so-called tells with a former connection to a watercourse. To establish a detailed reconstruction of this former channel system, this paper presents small-scale investigations of Kom el-Gir’s surroundings using a multi-proxy approach.
Penelope Wilson and Hosni Ghazala
E&G Quaternary Sci. J., 70, 129–143, https://doi.org/10.5194/egqsj-70-129-2021, https://doi.org/10.5194/egqsj-70-129-2021, 2021
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Geophysical and archaeological work at Sais (Sa el-Hagar, Egypt) is analysed to discuss the relationships between the palaeolandscape, the evolving river and floodplain and human cultural activity at the site, where humans have lived since Neolithic times (4000 Before Common Era) until the present. The results show a close correlation with and reliance on the underlying sandhills for settlement and the way in which human activity has subsequently affected the floodplain landscape at the site.
Clément Flaux, Matthieu Giaime, Valérie Pichot, Nick Marriner, Mena el-Assal, Abel Guihou, Pierre Deschamps, Christelle Claude, and Christophe Morhange
E&G Quaternary Sci. J., 70, 93–104, https://doi.org/10.5194/egqsj-70-93-2021, https://doi.org/10.5194/egqsj-70-93-2021, 2021
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Lake Mareotis (NW Nile delta, Egypt) was a gateway between the Nile valley and the Mediterranean during Greco-Roman times. The hydrological evolution of Lake Mareotis was reconstructed using lake sediments and archaeological archives. The data show both a rise in Nile inputs to the basin during the first millennia BC and AD and a lake-level rise of ca. 1.5 m during the Roman period. A high-energy deposit such as a tsunami also possibly affected Alexandria's lacustrine hinterland.
Jean-Daniel Stanley and Sarah E. Wedl
E&G Quaternary Sci. J., 70, 83–92, https://doi.org/10.5194/egqsj-70-83-2021, https://doi.org/10.5194/egqsj-70-83-2021, 2021
Eva Lange-Athinodorou
E&G Quaternary Sci. J., 70, 73–82, https://doi.org/10.5194/egqsj-70-73-2021, https://doi.org/10.5194/egqsj-70-73-2021, 2021
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At Buto, Sais and Bubastis in the Nile delta, temples were built on gentle rising mounds surrounded by canals and lakes, representing a perfect fusion of natural and sacred landscapes. The waters served cultic purposes and played an important role in local mythological traditions. The paper aims to reconstruct those sacred waterways, canals and marshes according to recent geoarchaeological and philological research and to assess their impact on the evolution of key mythological narratives.
Maël Crépy and Marie-Françoise Boussac
E&G Quaternary Sci. J., 70, 39–52, https://doi.org/10.5194/egqsj-70-39-2021, https://doi.org/10.5194/egqsj-70-39-2021, 2021
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Based on a new method, this paper proves the presence of several lakes during Greco-Roman antiquity in the Mariut basin and the digging of a canal network (up to 12 km long) in the Roman period to link them to Lake Mareotis. This challenges a 2-century-long scientific tradition according to which Lake Mareotis naturally linked Taposiris Magna to Alexandria during the Hellenistic and Roman periods. It is thus a starting point for new analyses of regional archaeology and geoarchaeology.
Robert Schiestl
E&G Quaternary Sci. J., 70, 29–38, https://doi.org/10.5194/egqsj-70-29-2021, https://doi.org/10.5194/egqsj-70-29-2021, 2021
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The Butic Canal, a Roman-period artificial waterway transversing the Egyptian Nile Delta, is investigated by means of newly available remote sensing data (the TanDEM-X digital elevation model and Corona satellite imagery). New features of the construction can thus be detected. Adding historical sources, the canal's function(s) and chronology are discussed.
Moritz Nykamp, Jacob Hardt, Philipp Hoelzmann, Jens May, and Tony Reimann
E&G Quaternary Sci. J., 70, 1–17, https://doi.org/10.5194/egqsj-70-1-2021, https://doi.org/10.5194/egqsj-70-1-2021, 2021
Tobias Ullmann, Leon Nill, Robert Schiestl, Julian Trappe, Eva Lange-Athinodorou, Roland Baumhauer, and Julia Meister
E&G Quaternary Sci. J., 69, 225–245, https://doi.org/10.5194/egqsj-69-225-2020, https://doi.org/10.5194/egqsj-69-225-2020, 2020
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The contribution highlights the use of Landsat archive data (1985–2019) for the detection of surface anomalies potentially related to buried near-surface paleogeomorphological deposits in the Nile Delta (Egypt). The analyses of selected spectral-temporal metrics showed several anomalies in the immediate surroundings of Pleistocene sand hills (geziras) and settlement mounds (tells) of the eastern Delta, which allowed mapping of the potential near-surface continuation.
Dominik Faust, Sebastian Kreutzer, Yesmine Trigui, Maximilian Pachtmann, Georg Mettig, Moncef Bouaziz, Jose Manuel Recio Espejo, Fernando Diaz del Olmo, Christoph Schmidt, Tobias Lauer, Zeljko Rezek, Alexander Fülling, and Sascha Meszner
E&G Quaternary Sci. J., 69, 55–58, https://doi.org/10.5194/egqsj-69-55-2020, https://doi.org/10.5194/egqsj-69-55-2020, 2020
Max Engel, Stefanie Rückmann, Philipp Drechsler, Dominik Brill, Stephan Opitz, Jörg W. Fassbinder, Anna Pint, Kim Peis, Dennis Wolf, Christoph Gerber, Kristina Pfeiffer, Ricardo Eichmann, and Helmut Brückner
E&G Quaternary Sci. J., 68, 215–236, https://doi.org/10.5194/egqsj-68-215-2020, https://doi.org/10.5194/egqsj-68-215-2020, 2020
Hans von Suchodoletz, Stefanie Berg, Eileen Eckmeier, Lukas Werther, and Christoph Zielhofer
E&G Quaternary Sci. J., 68, 237–240, https://doi.org/10.5194/egqsj-68-237-2020, https://doi.org/10.5194/egqsj-68-237-2020, 2020
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In this editorial, we give a short state of the art of geoarchaeology, including recent advancements and challenges, and shortly present the seven contributions to our special issue.
Elena A. Hensel, Oliver Bödeker, Olaf Bubenzer, and Ralf Vogelsang
E&G Quaternary Sci. J., 68, 201–213, https://doi.org/10.5194/egqsj-68-201-2019, https://doi.org/10.5194/egqsj-68-201-2019, 2019
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This study combines geomorphological–hydrological analyses with the distribution of archaeological sites and obsidian raw material outcrops within the catchment of the Bisare River, Mt Damota, and Mt Sodicho (southwestern Ethiopian Highlands). The current highly dynamic hydrological system, strong recent sediment erosion, and increased human impact lead to land degradation, resulting in exposure of lithic raw material outcrops and destruction of archaeological material.
Christian Tinapp, Susann Heinrich, Christoph Herbig, Birgit Schneider, Harald Stäuble, Jan Miera, and Hans von Suchodoletz
E&G Quaternary Sci. J., 68, 95–105, https://doi.org/10.5194/egqsj-68-95-2019, https://doi.org/10.5194/egqsj-68-95-2019, 2019
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It was possible to define the turning point from extremely clayey and organic- rich sedimentation in the Early and Middle Holocene towards the deposition of coarser-grained and less organic overbank fines in the lower Pleiße valley near Leipzig, NW Saxony. This change occurred between 4000 and 3300 BCE more than 1000 years after the beginning of Early Neolithic settlement and was obviously linked with land clearance by the first farmers.
Jan Johannes Miera, Jessica Henkner, Karsten Schmidt, Markus Fuchs, Thomas Scholten, Peter Kühn, and Thomas Knopf
E&G Quaternary Sci. J., 68, 75–93, https://doi.org/10.5194/egqsj-68-75-2019, https://doi.org/10.5194/egqsj-68-75-2019, 2019
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This study investigates Neolithic settlement dynamics by combining archaeological source criticism and archaeopedological data from colluvial deposits. It is shown that the distribution of Neolithic sites in the Baar region is distorted by superimposition due to erosion. Furthermore, the preservation conditions for pottery are limited by weathering effects. By complementing archaeological data with phases of colluviation we are able to point out settlement dynamics throughout the Neolithic.
Richard Vogt and Inga Kretschmer
E&G Quaternary Sci. J., 68, 47–51, https://doi.org/10.5194/egqsj-68-47-2019, https://doi.org/10.5194/egqsj-68-47-2019, 2019
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Soils are an important source of geoarchaeological information. The archaeological soil archive is extremely endangered by intensive agriculture. Different approaches for problem-solving strategies that derive from daily practice in cultural heritage management are described.
Johann Friedrich Tolksdorf, Matthias Schubert, Frank Schröder, Libor Petr, Christoph Herbig, Petr Kočár, Mathias Bertuch, and Christiane Hemker
E&G Quaternary Sci. J., 67, 73–84, https://doi.org/10.5194/egqsj-67-73-2019, https://doi.org/10.5194/egqsj-67-73-2019, 2019
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This case study provides a reconstruction of settlement and land-use history since the 13th century CE in a small valley in the Ore Mountains (Saxony). Archaeological evidence shows settlement activities with a strong building and mining activities that also triggered local soil erosion. After the abandonment of the site in the middle of the 15th century CE and a reafforestation, later land use in the area occurred in the form of charcoal production.
Judit Deák, Frank Preusser, Marie-Isabelle Cattin, Jean-Christophe Castel, and François-Xavier Chauvière
E&G Quaternary Sci. J., 67, 41–72, https://doi.org/10.5194/egqsj-67-41-2019, https://doi.org/10.5194/egqsj-67-41-2019, 2019
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Provided here are novel data concerning site formation processes and Middle Palaeolithic human presence at Cotencher cave (Switzerland). A local glaciation around 70 ka was followed by ice-free conditions, when artefacts and faunal remains were displaced by solifluction processes. Evidence of local glacier development around 36 ka is also presented. This interdisciplinary study contributes new elements for the understanding of climatic changes and human passage in the central Jura Mountains.
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