Articles | Volume 17, issue 4
https://doi.org/10.5194/cp-17-1547-2021
© 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/cp-17-1547-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jul 2021
Research article |
| 21 Jul 2021
| 21 Jul 2021
Million-year-scale alternation of warm–humid and semi-arid periods as a mid-latitude climate mode in the Early Jurassic (late Sinemurian, Laurasian Seaway)
Thomas Munier
CORRESPONDING AUTHOR
Biogéosciences, UMR 6282, uB/CNRS, Université Bourgogne
Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
ISTeP, UMR 7193, SU/CNRS, Sorbonne Université, 4 Place Jussieu,
75005 Paris, France
Jean-François Deconinck
Biogéosciences, UMR 6282, uB/CNRS, Université Bourgogne
Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
Pierre Pellenard
Biogéosciences, UMR 6282, uB/CNRS, Université Bourgogne
Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
Stephen P. Hesselbo
Camborne School of Mines and the Environment and Sustainability
Institute, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE,
UK
James B. Riding
British Geological Survey, Keyworth, Nottingham NG12 5GG, UK
Clemens V. Ullmann
Camborne School of Mines and the Environment and Sustainability
Institute, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE,
UK
Cédric Bougeault
Biogéosciences, UMR 6282, uB/CNRS, Université Bourgogne
Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
Mathilde Mercuzot
Géosciences Rennes, UMR 6118, UR/CNRS, Université Rennes 1,
Campus de Beaulieu, CS 74205 35042 Rennes CEDEX, France
Anne-Lise Santoni
Biogéosciences, UMR 6282, uB/CNRS, Université Bourgogne
Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
Émilia Huret
Agence Nationale pour la gestion des déchets radioactifs, Centre de Meuse/Haute-Marne, RD 960, 55290 Bure, France
Philippe Landrein
Agence Nationale pour la gestion des déchets radioactifs, Centre de Meuse/Haute-Marne, RD 960, 55290 Bure, France
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Biogeosciences, 21, 2795–2809, https://doi.org/10.5194/bg-21-2795-2024, https://doi.org/10.5194/bg-21-2795-2024, 2024
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Fires are limited in year-round wet climates (tropical rainforests; too wet), and in year-round dry climates (deserts; no fuel). This concept, the intermediate-productivity gradient, explains the global pattern of fire activity. Here we test this concept for climate states of the Jurassic (~190 Myr ago). We find that the intermediate-productivity gradient also applies in the Jurassic despite the very different ecosystem assemblages, with fires most frequent at times of high seasonality.
Madeleine L. Vickers, Morgan T. Jones, Jack Longman, David Evans, Clemens V. Ullmann, Ella Wulfsberg Stokke, Martin Vickers, Joost Frieling, Dustin T. Harper, Vincent J. Clementi, and IODP Expedition 396 Scientists
Clim. Past, 20, 1–23, https://doi.org/10.5194/cp-20-1-2024, https://doi.org/10.5194/cp-20-1-2024, 2024
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The discovery of cold-water glendonite pseudomorphs in sediments deposited during the hottest part of the Cenozoic poses an apparent climate paradox. This study examines their occurrence, association with volcanic sediments, and speculates on the timing and extent of cooling, fitting this with current understanding of global climate during this period. We propose that volcanic activity was key to both physical and chemical conditions that enabled the formation of glendonites in these sediments.
Stephen P. Hesselbo, Aisha Al-Suwaidi, Sarah J. Baker, Giorgia Ballabio, Claire M. Belcher, Andrew Bond, Ian Boomer, Remco Bos, Christian J. Bjerrum, Kara Bogus, Richard Boyle, James V. Browning, Alan R. Butcher, Daniel J. Condon, Philip Copestake, Stuart Daines, Christopher Dalby, Magret Damaschke, Susana E. Damborenea, Jean-Francois Deconinck, Alexander J. Dickson, Isabel M. Fendley, Calum P. Fox, Angela Fraguas, Joost Frieling, Thomas A. Gibson, Tianchen He, Kat Hickey, Linda A. Hinnov, Teuntje P. Hollaar, Chunju Huang, Alexander J. L. Hudson, Hugh C. Jenkyns, Erdem Idiz, Mengjie Jiang, Wout Krijgsman, Christoph Korte, Melanie J. Leng, Timothy M. Lenton, Katharina Leu, Crispin T. S. Little, Conall MacNiocaill, Miguel O. Manceñido, Tamsin A. Mather, Emanuela Mattioli, Kenneth G. Miller, Robert J. Newton, Kevin N. Page, József Pálfy, Gregory Pieńkowski, Richard J. Porter, Simon W. Poulton, Alberto C. Riccardi, James B. Riding, Ailsa Roper, Micha Ruhl, Ricardo L. Silva, Marisa S. Storm, Guillaume Suan, Dominika Szűcs, Nicolas Thibault, Alfred Uchman, James N. Stanley, Clemens V. Ullmann, Bas van de Schootbrugge, Madeleine L. Vickers, Sonja Wadas, Jessica H. Whiteside, Paul B. Wignall, Thomas Wonik, Weimu Xu, Christian Zeeden, and Ke Zhao
Sci. Dril., 32, 1–25, https://doi.org/10.5194/sd-32-1-2023, https://doi.org/10.5194/sd-32-1-2023, 2023
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We present initial results from a 650 m long core of Late Triasssic to Early Jurassic (190–202 Myr) sedimentary strata from the Cheshire Basin, UK, which is shown to be an exceptional record of Earth evolution for the time of break-up of the supercontinent Pangaea. Further work will determine periodic changes in depositional environments caused by solar system dynamics and used to reconstruct orbital history.
Teuntje P. Hollaar, Stephen P. Hesselbo, Jean-François Deconinck, Magret Damaschke, Clemens V. Ullmann, Mengjie Jiang, and Claire M. Belcher
Clim. Past, 19, 979–997, https://doi.org/10.5194/cp-19-979-2023, https://doi.org/10.5194/cp-19-979-2023, 2023
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Palaeoclimatological reconstructions aid our understanding of current and future climate change. In the Pliensbachian (Early Jurassic) a climatic cooling event occurred globally. We show that this cooling event has a significant impact on the depositional environment of the Cardigan Bay basin but that the 405 kyr eccentricity cycle remained the dominant control on terrestrial and marine depositional processes.
Niels J. de Winter, Clemens V. Ullmann, Anne M. Sørensen, Nicolas Thibault, Steven Goderis, Stijn J. M. Van Malderen, Christophe Snoeck, Stijn Goolaerts, Frank Vanhaecke, and Philippe Claeys
Biogeosciences, 17, 2897–2922, https://doi.org/10.5194/bg-17-2897-2020, https://doi.org/10.5194/bg-17-2897-2020, 2020
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In this study, we present a detailed investigation of the chemical composition of 12 specimens of very well preserved, 78-million-year-old oyster shells from southern Sweden. The chemical data show how the oysters grew, the environment in which they lived and how old they became and also provide valuable information about which chemical measurements we can use to learn more about ancient climate and environment from such shells. In turn, this can help improve climate reconstructions and models.
Martin Schobben, Sebastiaan van de Velde, Jana Gliwa, Lucyna Leda, Dieter Korn, Ulrich Struck, Clemens Vinzenz Ullmann, Vachik Hairapetian, Abbas Ghaderi, Christoph Korte, Robert J. Newton, Simon W. Poulton, and Paul B. Wignall
Clim. Past, 13, 1635–1659, https://doi.org/10.5194/cp-13-1635-2017, https://doi.org/10.5194/cp-13-1635-2017, 2017
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Stratigraphic trends in the carbon isotope composition of calcium carbonate rock can be used as a stratigraphic tool. An important assumption when using these isotope chemical records is that they record a globally universal signal of marine water chemistry. We show that carbon isotope scatter on a confined centimetre stratigraphic scale appears to represent a signal of microbial activity. However, long-term carbon isotope trends are still compatible with a primary isotope imprint.
Clemens Vinzenz Ullmann and Philip A. E. Pogge von Strandmann
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This study documents how much control growth rate has on the chemical composition of fossil shell material. Using a series of chemical analyses of the fossil hard part of a belemnite, an extinct marine predator, a clear connection between the rate of calcite formation and its magnesium and strontium contents was found. These findings provide further insight into biomineralization processes and help better understand chemical signatures of fossils as proxies for palaeoenvironmental conditions.
S. P. Hesselbo, C. J. Bjerrum, L. A. Hinnov, C. MacNiocaill, K. G. Miller, J. B. Riding, B. van de Schootbrugge, and the Mochras Revisited Science Team
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Related subject area
Subject: Continental Surface Processes | Archive: Terrestrial Archives | Timescale: Pre-Cenozoic
Development of longitudinal dunes under Pangaean atmospheric circulation
Palaeoclimate evolution across the Cretaceous–Palaeogene boundary in the Nanxiong Basin (SE China) recorded by red strata and its correlation with marine records
Hiroki Shozaki and Hitoshi Hasegawa
Clim. Past, 18, 1529–1539, https://doi.org/10.5194/cp-18-1529-2022, https://doi.org/10.5194/cp-18-1529-2022, 2022
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Atmospheric circulation in the supercontinent of Pangaea is thought to have been significantly different from today. We present the spatial distribution of palaeowind directions recorded in Lower Jurassic aeolian sandstones in the western US. This reveals the development of longitudinal dunes formed by a combination of westerly, northwesterly, and northeasterly palaeowinds. The reconstructed palaeowind pattern at ~19–27°N is consistent with the model-generated surface wind pattern in Pangaea.
Mingming Ma, Xiuming Liu, and Wenyan Wang
Clim. Past, 14, 287–302, https://doi.org/10.5194/cp-14-287-2018, https://doi.org/10.5194/cp-14-287-2018, 2018
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Significant climate changes and biotic turnovers occurred across the Cretaceous–Paleogene boundary (KTB) interval. It is of great significance to carry out research on palaeoclimate evolution across the KTB in terrestrial basins because we lack many KTB records in this part of the world. Here we provide a new terrestrial record from the Nanxiong Basin (SE China) and compare it with marine records to provide reliable terrestrial records for future investigation of ocean–land climate interactions.
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Short summary
Clay minerals are witnesses of alteration conditions in continental environments. Lacking high-resolution data on clay minerals, this work highlights wet and semi-arid cycles at mid-latitude in the upper Sinemurian. The higher proportion of kaolinite in the upper part of the obtusum zone and in the oxynotum zone indicates an increase in hydrolysis conditions in a warmer period confirmed by carbon isotopes.
Clay minerals are witnesses of alteration conditions in continental environments. Lacking...
