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Ulrich G. Wortmann
Ulrich G. Wortmann
Verified email at utoronto.ca - Homepage
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Cited by
Cited by
Year
Hypersulfidic deep biosphere indicates extreme sulfur isotope fractionation during single-step microbial sulfate reduction
UG Wortmann, SM Bernasconi, ME Böttcher
Geology 29 (7), 647-650, 2001
3112001
Paleo-redox conditions during OAE 2 reflected in Demerara Rise sediment geochemistry (ODP Leg 207)
A Hetzel, ME Böttcher, UG Wortmann, HJ Brumsack
Palaeogeography, Palaeoclimatology, Palaeoecology 273 (3-4), 302-328, 2009
2252009
Methane hydrate formation in turbidite sediments of northern Cascadia, IODP Expedition 311
ME Torres, AM Trehu, N Cespedes, M Kastner, UG Wortmann, JH Kim, ...
Earth and Planetary Science Letters 271 (1-4), 170-180, 2008
2142008
Gas hydrate occurrence from pore water chlorinity and downhole logs in a transect across the northern Cascadia margin (Integrated Ocean Drilling Program Expedition 311)
A Malinverno, M Kastner, ME Torres, UG Wortmann
Journal of Geophysical Research: Solid Earth 113 (B8), 2008
1652008
Ammonium stability and nitrogen isotope fractionations for NH4+–NH3 (aq)–NH3 (gas) systems at 20–70 C and pH of 2–13: Applications to habitability and nitrogen cycling in low …
L Li, BS Lollar, H Li, UG Wortmann, G Lacrampe-Couloume
Geochimica et Cosmochimica Acta 84, 280-296, 2012
1362012
Oxygen isotope biogeochemistry of pore water sulfate in the deep biosphere: dominance of isotope exchange reactions with ambient water during microbial sulfate reduction (ODP …
UG Wortmann, B Chernyavsky, SM Bernasconi, B Brunner, ME Böttcher, ...
Geochimica et Cosmochimica Acta 71 (17), 4221-4232, 2007
1362007
Rapid variability of seawater chemistry over the past 130 million years
UG Wortmann, A Paytan
Science 337 (6092), 334-336, 2012
1252012
Alpine plate kinematics revisited: the Adria problem
UG Wortmann, H Weissert, H Funk, J Hauck
Tectonics 20 (1), 134-147, 2001
992001
Effect of evaporite deposition on Early Cretaceous carbon and sulphur cycling
UG Wortmann, BM Chernyavsky
Nature 446 (7136), 654-656, 2007
842007
An evaporite-based high-resolution sulfur isotope record of Late Permian and Triassic seawater sulfate
SM Bernasconi, I Meier, S Wohlwend, P Brack, PA Hochuli, H Bläsi, ...
Geochimica et Cosmochimica Acta 204, 331-349, 2017
752017
Tying platform drowning to perturbations of the global carbon cycle with a δ13COrg‐curve from the Valanginian of DSDP Site 416
UG Wortmann, H Weissert
Terra Nova 12 (6), 289-294, 2000
732000
Large-scale ocean deoxygenation during the Paleocene-Eocene Thermal Maximum
W Yao, A Paytan, UG Wortmann
Science 361 (6404), 804-806, 2018
702018
Altered carbon cycling and coupled changes in Early Cretaceous weathering patterns: evidence from integrated carbon isotope and sandstone records of the western Tethys
UG Wortmann, JO Herrle, H Weissert
Earth and Planetary Science Letters 220 (1-2), 69-82, 2004
682004
Twentieth century δ13C variability in surface water dissolved inorganic carbon recorded by coralline algae in the northern North Pacific Ocean and the Bering Sea
B Williams, J Halfar, RS Steneck, UG Wortmann, S Hetzinger, W Adey, ...
Biogeosciences 8 (1), 165-174, 2011
542011
Twentieth century δ13C variability in surface water dissolved inorganic carbon recorded by coralline algae in the northern North Pacific Ocean and the Bering Sea
B Williams, J Halfar, RS Steneck, UG Wortmann, S Hetzinger, W Adey, ...
Biogeosciences 8 (1), 165-174, 2011
542011
Microbial sulfate reduction in deep sediments of the Southwest Pacific (ODP Leg 181, Sites 1119–1125): evidence from stable sulfur isotope fractionation and pore water modeling
ME Böttcher, BK Khim, A Suzuki, M Gehre, UG Wortmann, HJ Brumsack
Marine Geology 205 (1-4), 249-260, 2004
532004
Major‐element analysis of cyclic black shales: Paleoceanographic implications for the Early Cretaceous deep western tethys
UG Wortmann, R Hesse, W Zacher
Paleoceanography 14 (4), 525-541, 1999
531999
A revised seawater sulfate oxygen isotope record for the last 4 Myr
S Markovic, A Paytan, H Li, UG Wortmann
Geochimica et Cosmochimica Acta 175, 239-251, 2016
502016
Hydrogen sulfide–hydrates and saline fluids in the continental margin of South Australia
PK Swart, UG Wortmann, RM Mitterer, MJ Malone, PL Smart, DA Feary, ...
Geology 28 (11), 1039-1042, 2000
432000
Multicentennial record of Labrador Sea primary productivity and sea-ice variability archived in coralline algal barium
P Chan, J Halfar, W Adey, S Hetzinger, T Zack, GWK Moore, ...
Nature communications 8 (1), 15543, 2017
412017
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