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 | 313 | 2001 |
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 | 229 | 2009 |
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 | 214 | 2008 |
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 | 166 | 2008 |
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 | 141 | 2012 |
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 | 136 | 2007 |
Rapid variability of seawater chemistry over the past 130 million years UG Wortmann, A Paytan Science 337 (6092), 334-336, 2012 | 129 | 2012 |
Alpine plate kinematics revisited: the Adria problem UG Wortmann, H Weissert, H Funk, J Hauck Tectonics 20 (1), 134-147, 2001 | 99 | 2001 |
Effect of evaporite deposition on Early Cretaceous carbon and sulphur cycling UG Wortmann, BM Chernyavsky Nature 446 (7136), 654-656, 2007 | 85 | 2007 |
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 | 80 | 2017 |
Large-scale ocean deoxygenation during the Paleocene-Eocene Thermal Maximum W Yao, A Paytan, UG Wortmann Science 361 (6404), 804-806, 2018 | 74 | 2018 |
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 | 74 | 2000 |
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 | 69 | 2004 |
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 | 54 | 2011 |
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 | 54 | 2004 |
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 | 53 | 1999 |
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 | 51 | 2016 |
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 | 43 | 2000 |
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 | 42 | 2017 |
Microbially mediated re-oxidation of sulfide during dissimilatory sulfate reduction by Desulfobacter latus T Eckert, B Brunner, EA Edwards, UG Wortmann Geochimica et Cosmochimica Acta 75 (12), 3469-3485, 2011 | 40 | 2011 |