Ulrich G. Wortmann

Hypersulfidic deep biosphere indicates extreme sulfur isotope fractionation during single-step microbial sulfate reduction

Ulrich G. Wortmann, Stefano M. Bernasconi, Michael E. Böttcher · Geology · 2001 · 292 citations

Engineering, Marine Chemistry, Oceanography +19

Paleo-redox conditions during OAE 2 reflected in Demerara Rise sediment geochemistry (ODP Leg 207)

Almut Hetzel, Michael E. Böttcher, Ulrich G. Wortmann et al. · Palaeogeography Palaeoclimatology Palaeoecology · 2008 · 210 citations

Sedimentary Record, Engineering, Sedimentary Geology +8

Ammonium stability and nitrogen isotope fractionations for –NH3(aq)–NH3(gas) systems at 20–70°C and pH of 2–13: Applications to habitability and nitrogen cycling in low-temperature hydrothermal systems

Long Li, Barbara Sherwood Lollar, Hong Li et al. · Geochimica et Cosmochimica Acta · 2012 · 181 citations

Biogeochemistry, Chemical Engineering, Engineering +10

Methane hydrate formation in turbidite sediments of northern Cascadia, IODP Expedition 311

Marta E. Torres, A. M. Tréhu, N Cespedes et al. · Earth and Planetary Science Letters · 2008 · 173 citations

Engineering, Early Diagenesis, Natural Gas Hydrate System +9

Gas hydrate occurrence from pore water chlorinity and downhole logs in a transect across the northern Cascadia margin (Integrated Ocean Drilling Program Expedition 311)

Alberto Malinverno, Miriam Kastner, Marta E. Torres et al. · Journal of Geophysical Research Atmospheres · 2008 · 148 citations

Engineering, Oceanography, Natural Gas Hydrate +17