Clemens Vinzenz Ullmann
Clemens Vinzenz Ullmann
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Jurassic climate mode governed by ocean gateway
C Korte, SP Hesselbo, CV Ullmann, G Dietl, M Ruhl, G Schweigert, ...
Nature communications 6 (1), 10015, 2015
Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse
CMØ Rasmussen, CV Ullmann, KG Jakobsen, A Lindskog, J Hansen, ...
Scientific Reports 6 (1), 18884, 2016
Evolution of the Toarcian (Early Jurassic) carbon-cycle and global climatic controls on local sedimentary processes (Cardigan Bay Basin, UK)
W Xu, M Ruhl, HC Jenkyns, MJ Leng, JM Huggett, D Minisini, CV Ullmann, ...
Earth and Planetary Science Letters 484, 396-411, 2018
Astronomical constraints on the duration of the Early Jurassic Pliensbachian Stage and global climatic fluctuations
M Ruhl, SP Hesselbo, L Hinnov, HC Jenkyns, W Xu, JB Riding, M Storm, ...
Earth and Planetary Science Letters 455, 149-165, 2016
Orbital pacing and secular evolution of the Early Jurassic carbon cycle
MS Storm, SP Hesselbo, HC Jenkyns, M Ruhl, CV Ullmann, W Xu, ...
Proceedings of the National Academy of Sciences 117 (8), 3974-3982, 2020
Diagenetic alteration in low-Mg calcite from macrofossils: a review
CV Ullmann, C Korte
Geological Quarterly 59 (1), 3-20, 2015
Effect of a Jurassic oceanic anoxic event on belemnite ecology and evolution
CV Ullmann, N Thibault, M Ruhl, SP Hesselbo, C Korte
Proceedings of the National Academy of Sciences 111 (28), 10073-10076, 2014
The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK
N Thibault, M Ruhl, CV Ullmann, C Korte, DB Kemp, DR Gröcke, ...
Proceedings of the Geologists' Association 129 (3), 372-391, 2018
Discerning primary versus diagenetic signals in carbonate carbon and oxygen isotope records: An example from the Permian–Triassic boundary of Iran
M Schobben, CV Ullmann, L Leda, D Korn, U Struck, WU Reimold, ...
Chemical Geology 422, 94-107, 2016
Warm afterglow from the Toarcian Oceanic Anoxic Event drives the success of deep-adapted brachiopods
CV Ullmann, R Boyle, LV Duarte, SP Hesselbo, SA Kasemann, T Klein, ...
Scientific Reports 10 (1), 6549, 2020
Partial diagenetic overprint of Late Jurassic belemnites from New Zealand: Implications for the preservation potential of δ7Li values in calcite fossils
CV Ullmann, HJ Campbell, R Frei, SP Hesselbo, PAEP von Strandmann, ...
Geochimica et Cosmochimica Acta 120, 80-96, 2013
The Li isotope composition of marine biogenic carbonates: Patterns and mechanisms
M Dellinger, AJ West, G Paris, JF Adkins, PAEP von Strandmann, ...
Geochimica et Cosmochimica Acta 236, 315-335, 2018
Fungal decomposition of terrestrial organic matter accelerated Early Jurassic climate warming
G Pieńkowski, M Hodbod, CV Ullmann
Scientific Reports 6 (1), 31930, 2016
Oxygen isotope fluctuations in a modern North Sea oyster (Crassostrea gigas) compared with annual variations in seawater temperature: Implications for palaeoclimate studies
CV Ullmann, U Wiechert, C Korte
Chemical Geology 277 (1-2), 160-166, 2010
Sinemurian–Pliensbachian calcareous nannofossil biostratigraphy and organic carbon isotope stratigraphy in the Paris Basin: Calibration to the ammonite biozonation of NW Europe
L Peti, N Thibault, ME Clémence, C Korte, JL Dommergues, C Bougeault, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 468, 142-161, 2017
Chemostratigraphy across the Triassic–Jurassic boundary
C Korte, M Ruhl, J Pálfy, CV Ullmann, SP Hesselbo
Chemostratigraphy across major chronological boundaries, 183-210, 2018
Integrated bio-and carbon-isotope stratigraphy of the Upper Cretaceous Gurpi Formation (Iran): a new reference for the eastern Tethys and its implications for large-scale …
MJ Razmjooei, N Thibault, A Kani, J Dinarès-Turell, E Pucéat, S Shahriari, ...
Cretaceous Research 91, 312-340, 2018
The Giant Pacific Oyster (Crassostrea gigas) as a modern analog for fossil ostreoids: Isotopic (Ca, O, C) and elemental (Mg/Ca, Sr/Ca, Mn/Ca) proxies
CV Ullmann, F Böhm, REM Rickaby, U Wiechert, C Korte
Geochemistry, Geophysics, Geosystems 14 (10), 4109-4120, 2013
Permian strontium isotope stratigraphy
C Korte, CV Ullmann
Geological Society, London, Special Publications 450 (1), 105-118, 2018
Chemical and isotopic architecture of the belemnite rostrum
CV Ullmann, R Frei, C Korte, SP Hesselbo
Geochimica et Cosmochimica Acta 159, 231-243, 2015
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