Microbial carbon isotope fractionation to produce extraordinarily heavy methane in aging hydrothermal plumes over the southwestern Okinawa Trough

Earth & Environmental Sciences

• hydrothermal plume 93%
• carbon isotope 60%
• trough 55%
• fractionation 53%
• plume 51%
• methane 48%
• helium isotope 18%
• sensor 17%
• towing 17%
• oxidation 16%
• carbon isotope ratio 16%
• background level 14%
• distillation 13%
• vertical profile 12%
• manganese 11%
• stable isotope 10%
• water column 10%
• conductivity 10%
• tracer 10%
• isotope 9%
• spatial distribution 8%
• young 8%
• kinetics 7%
• sampling 7%
• basin 6%
• chemical 6%
• temperature 4%
• water 3%

Physics & Astronomy

• carbon isotopes 100%
• fractionation 78%
• troughs 74%
• plumes 65%
• methane 58%
• transmissometers 13%
• towing 12%
• oxidation 11%
• isotope ratios 11%
• helium isotopes 10%
• bottles 10%
• recorders 9%
• distillation 9%
• light transmission 9%
• water 9%
• optical measuring instruments 8%
• temperature sensors 8%
• tracing 8%
• profiles 8%
• manganese 8%
• methylidyne 7%
• tracers 7%
• spatial distribution 7%
• isotopes 6%
• sampling 6%
• arcs 6%
• conductivity 5%
• sensors 4%
• kinetics 4%

Chemical Compounds

• Chemical Tracer 58%
• Fractionation 56%
• Isotope 55%
• Methane 50%
• Distillation 30%
• Sampling 26%
• Conductivity 21%
• Column Like Crystal 19%
• Oxidation Reaction 14%