Articles | Volume 66, issue 2
https://doi.org/10.5194/egqsj-66-57-2017
© Author(s) 2017. 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-66-57-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 Dec 2017
Research article |
| 20 Dec 2017
| 20 Dec 2017
10Be depth profiles in glacial sediments on the Swiss Plateau: deposition age, denudation and (pseudo-) inheritance
Lorenz Wüthrich
CORRESPONDING AUTHOR
Geographical Institute, University of Bern, 3012 Bern, Switzerland
Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland
Geological Institute, ETH Zurich, 8093 Zurich, Switzerland
Claudio Brändli
Geological Institute, ETH Zurich, 8093 Zurich, Switzerland
Régis Braucher
Aix-Marseille Université, CNRS–IRD–Collège de France, UMR 34 CEREGE, Technopôle de l'Environnement Arbois–Méditerranée, BP80, 13545 Aix-en-Provence, France
Heinz Veit
Geographical Institute, University of Bern, 3012 Bern, Switzerland
Negar Haghipour
Geological Institute, ETH Zurich, 8093 Zurich, Switzerland
Carla Terrizzano
Geographical Institute, University of Bern, 3012 Bern, Switzerland
Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland
Geological Institute, ETH Zurich, 8093 Zurich, Switzerland
Marcus Christl
Laboratory of Ion Beam Physics, ETH Zurich, 8092 Zurich, Switzerland
Christian Gnägi
Geographical Institute, University of Bern, 3012 Bern, Switzerland
Roland Zech
Geographical Institute, University of Bern, 3012 Bern, Switzerland
Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland
Geological Institute, ETH Zurich, 8093 Zurich, Switzerland
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Marius L. Huber, Maarten Lupker, Sean F. Gallen, Marcus Christl, and Ananta P. Gajurel
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David Mair, Alessandro Lechmann, Romain Delunel, Serdar Yeşilyurt, Dmitry Tikhomirov, Christof Vockenhuber, Marcus Christl, Naki Akçar, and Fritz Schlunegger
Earth Surf. Dynam., 8, 637–659, https://doi.org/10.5194/esurf-8-637-2020, https://doi.org/10.5194/esurf-8-637-2020, 2020
Leticia G. Luz, Thiago P. Santos, Timothy I. Eglinton, Daniel Montluçon, Blanca Ausin, Negar Haghipour, Silvia M. Sousa, Renata H. Nagai, and Renato S. Carreira
Clim. Past, 16, 1245–1261, https://doi.org/10.5194/cp-16-1245-2020, https://doi.org/10.5194/cp-16-1245-2020, 2020
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Marcel Bliedtner, Hans von Suchodoletz, Imke Schäfer, Caroline Welte, Gary Salazar, Sönke Szidat, Mischa Haas, Nathalie Dubois, and Roland Zech
Hydrol. Earth Syst. Sci., 24, 2105–2120, https://doi.org/10.5194/hess-24-2105-2020, https://doi.org/10.5194/hess-24-2105-2020, 2020
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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
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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.
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
François Clapuyt, Veerle Vanacker, Marcus Christl, Kristof Van Oost, and Fritz Schlunegger
Solid Earth, 10, 1489–1503, https://doi.org/10.5194/se-10-1489-2019, https://doi.org/10.5194/se-10-1489-2019, 2019
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Using state-of-the-art geomorphic techniques, we quantified a 2-order of magnitude discrepancy between annual, decadal, and millennial sediment fluxes of a landslide-affected mountainous river catchment in the Swiss Alps. Our results illustrate that the impact of a single sediment pulse is strongly attenuated at larger spatial and temporal scales by sediment transport. The accumulation of multiple sediment pulses has rather a measurable impact on the regional pattern of sediment fluxes.
Tessa Sophia van der Voort, Utsav Mannu, Frank Hagedorn, Cameron McIntyre, Lorenz Walthert, Patrick Schleppi, Negar Haghipour, and Timothy Ian Eglinton
Biogeosciences, 16, 3233–3246, https://doi.org/10.5194/bg-16-3233-2019, https://doi.org/10.5194/bg-16-3233-2019, 2019
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The carbon stored in soils is the largest reservoir of organic carbon on land. In the context of greenhouse gas emissions and a changing climate, it is very important to understand how stable the carbon in the soil is and why. The deeper parts of the soil have often been overlooked even though they store a lot of carbon. In this paper, we discovered that although deep soil carbon is expected to be old and stable, there can be a significant young component that cycles much faster.
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
Maxi Castrillejo, Núria Casacuberta, Marcus Christl, Christof Vockenhuber, Hans-Arno Synal, Maribel I. García-Ibáñez, Pascale Lherminier, Géraldine Sarthou, Jordi Garcia-Orellana, and Pere Masqué
Biogeosciences, 15, 5545–5564, https://doi.org/10.5194/bg-15-5545-2018, https://doi.org/10.5194/bg-15-5545-2018, 2018
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The investigation of water mass transport pathways and timescales is important to understand the global ocean circulation. Following earlier studies, we use artificial radionuclides introduced to the oceans in the 1950s to investigate the water transport in the subpolar North Atlantic (SPNA). For the first time, we combine measurements of the long-lived iodine-129 and uranium-236 to confirm earlier findings/hypotheses and to better understand shallow and deep ventilation processes in the SPNA.
Max Boxleitner, Susan Ivy-Ochs, Dagmar Brandova, Marcus Christl, Markus Egli, and Max Maisch
Geogr. Helv., 73, 241–252, https://doi.org/10.5194/gh-73-241-2018, https://doi.org/10.5194/gh-73-241-2018, 2018
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.
Muhammed Ojoshogu Usman, Frédérique Marie Sophie Anne Kirkels, Huub Michel Zwart, Sayak Basu, Camilo Ponton, Thomas Michael Blattmann, Michael Ploetze, Negar Haghipour, Cameron McIntyre, Francien Peterse, Maarten Lupker, Liviu Giosan, and Timothy Ian Eglinton
Biogeosciences, 15, 3357–3375, https://doi.org/10.5194/bg-15-3357-2018, https://doi.org/10.5194/bg-15-3357-2018, 2018
Catharina Dieleman, Susan Ivy-Ochs, Kristina Hippe, Olivia Kronig, Florian Kober, and Marcus Christl
E&G Quaternary Sci. J., 67, 17–23, https://doi.org/10.5194/egqsj-67-17-2018, https://doi.org/10.5194/egqsj-67-17-2018, 2018
Antoine Cogez, Frédéric Herman, Éric Pelt, Thierry Reuschlé, Gilles Morvan, Christopher M. Darvill, Kevin P. Norton, Marcus Christl, Lena Märki, and François Chabaux
Earth Surf. Dynam., 6, 121–140, https://doi.org/10.5194/esurf-6-121-2018, https://doi.org/10.5194/esurf-6-121-2018, 2018
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Sediments produced by glaciers are transported by rivers and wind toward the ocean. During their journey, these sediments are weathered, and we know that this has an impact on climate. One key factor is time, but the duration of this journey is largely unknown. We were able to measure the average time that sediment spends only in the glacial area. This time is 100–200 kyr, which is long and allows a lot of processes to act on sediments during their journey.
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
Liviu Giosan, Camilo Ponton, Muhammed Usman, Jerzy Blusztajn, Dorian Q. Fuller, Valier Galy, Negar Haghipour, Joel E. Johnson, Cameron McIntyre, Lukas Wacker, and Timothy I. Eglinton
Earth Surf. Dynam., 5, 781–789, https://doi.org/10.5194/esurf-5-781-2017, https://doi.org/10.5194/esurf-5-781-2017, 2017
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A reconstruction of erosion in the core monsoon zone of India provides unintuitive but fundamental insights: in contrast to semiarid regions that experience enhanced erosion during erratic rain events, the monsoon is annual and acts as a veritable
erosional pumpaccelerating when the land cover is minimal. The existence of such a monsoon erosional pump promises to reconcile conflicting views on the land–sea sediment and carbon transfer as well as the monsoon evolution on longer timescales.
Maarten Lupker, Jérôme Lavé, Christian France-Lanord, Marcus Christl, Didier Bourlès, Julien Carcaillet, Colin Maden, Rainer Wieler, Mustafizur Rahman, Devojit Bezbaruah, and Liu Xiaohan
Earth Surf. Dynam., 5, 429–449, https://doi.org/10.5194/esurf-5-429-2017, https://doi.org/10.5194/esurf-5-429-2017, 2017
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We use geochemical approaches (10Be) on river sediments to quantify the erosion rates across the Tsangpo-Brahmaputra (TB) catchment in the eastern Himalayas. Our approach confirms the high erosion rates in the eastern Himalayan syntaxis region and we suggest that the abrasion of landslide material in the syntaxis is a key process in explaining how erosion signals are transferred to the sediment load.
Eric Laloy, Koen Beerten, Veerle Vanacker, Marcus Christl, Bart Rogiers, and Laurent Wouters
Earth Surf. Dynam., 5, 331–345, https://doi.org/10.5194/esurf-5-331-2017, https://doi.org/10.5194/esurf-5-331-2017, 2017
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Over very long timescales, 100 000 years or more, landscapes may drastically change. Sediments preserved in these landscapes have a cosmogenic radionuclide inventory that tell us when and how fast such changes took place. In this paper, we provide first evidence of an elevated long-term erosion rate of the northwestern Campine Plateau (lowland Europe), which can be explained by the loose nature of the subsoil.
Jean L. Dixon, Friedhelm von Blanckenburg, Kurt Stüwe, and Marcus Christl
Earth Surf. Dynam., 4, 895–909, https://doi.org/10.5194/esurf-4-895-2016, https://doi.org/10.5194/esurf-4-895-2016, 2016
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We quantify the glacial legacy of Holocene erosion at the eastern edge of the European Alps and add insight to the debate on drivers of Alpine erosion. We present the first data explicitly comparing 10Be-based erosion rates in previously glaciated and non-glaciated basins (n = 26). Erosion rates vary 5-fold across the region, correlating with local topography and glacial history. Our approach and unique study site allow us to isolate the role of glacial topographic legacies from other controls.
Robert B. Sparkes, Ayça Doğrul Selver, Örjan Gustafsson, Igor P. Semiletov, Negar Haghipour, Lukas Wacker, Timothy I. Eglinton, Helen M. Talbot, and Bart E. van Dongen
The Cryosphere, 10, 2485–2500, https://doi.org/10.5194/tc-10-2485-2016, https://doi.org/10.5194/tc-10-2485-2016, 2016
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The permafrost in eastern Siberia contains large amounts of carbon frozen in soils and sediments. Continuing global warming is thawing the permafrost and releasing carbon to the Arctic Ocean. We used pyrolysis-GCMS, a chemical fingerprinting technique, to study the types of carbon being deposited on the continental shelf. We found large amounts of permafrost-sourced carbon being deposited up to 200 km offshore.
Leonor Rodrigues, Umberto Lombardo, Mareike Trauerstein, Perrine Huber, Sandra Mohr, and Heinz Veit
SOIL, 2, 367–389, https://doi.org/10.5194/soil-2-367-2016, https://doi.org/10.5194/soil-2-367-2016, 2016
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Our study examines pre-Columbian agricultural raised fields in the Bolivian Amazon.
It provides a new interpretation for pre-Columbian management of raised fields.
The results show that differences in field size and height are the result of an adaptation to a site where soil properties vary significantly on a scale of tens to hundreds of meters. The analysis and dating of the raised fields sediments point towards an extensive and rather brief use of the raised fields, for about 100–200 years.
L. Schulte, J. C. Peña, F. Carvalho, T. Schmidt, R. Julià, J. Llorca, and H. Veit
Hydrol. Earth Syst. Sci., 19, 3047–3072, https://doi.org/10.5194/hess-19-3047-2015, https://doi.org/10.5194/hess-19-3047-2015, 2015
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A 2600-year long composite palaeoflood record is reconstructed from high-resolution delta plain sediments of the Hasli-Aare floodplain on the northern slope of the Swiss Alps. Natural proxies compiled from sedimentary, geochemical and geomorphological data were calibrated by textual and factual sources and instrumental data. Geomorphological, historical and instrumental data provide evidence for flood damage intensities and discharge estimations of severe and catastrophic historical floods.
C. Elsässer, D. Wagenbach, I. Levin, A. Stanzick, M. Christl, A. Wallner, S. Kipfstuhl, I. K. Seierstad, H. Wershofen, and J. Dibb
Clim. Past, 11, 115–133, https://doi.org/10.5194/cp-11-115-2015, https://doi.org/10.5194/cp-11-115-2015, 2015
U. Lombardo, S. Denier, and H. Veit
SOIL, 1, 65–81, https://doi.org/10.5194/soil-1-65-2015, https://doi.org/10.5194/soil-1-65-2015, 2015
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In the present paper we explore to what degree soil properties might have influenced pre-Columbian settlement patterns in the Monumental Mounds Region (MMR) of the Llanos de Moxos (LM), Bolivian Amazon. This study provides new data on the soil properties of the south-eastern Bolivian Amazon and reinforces the hypothesis that environmental constraints and opportunities exerted an important role on pre-Columbian occupation patterns and the population density reached in the Bolivian Amazon.
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