Mechanisms of methane hydrate formation in geological systems
Natural gas hydrate is ice‐like mixture of gas (mostly methane) and water that is widely
found in sediments along the world's continental margins and within and beneath permafrost …
found in sediments along the world's continental margins and within and beneath permafrost …
[HTML][HTML] Symposium review: Uncertainties in enteric methane inventories, measurement techniques, and prediction models
Ruminant production systems are important contributors to anthropogenic methane (CH 4)
emissions, but there are large uncertainties in national and global livestock CH 4 …
emissions, but there are large uncertainties in national and global livestock CH 4 …
[HTML][HTML] Rapid microbial methanogenesis during CO2 storage in hydrocarbon reservoirs
Carbon capture and storage (CCS) is a key technology to mitigate the environmental impact
of carbon dioxide (CO2) emissions. An understanding of the potential trapping and storage …
of carbon dioxide (CO2) emissions. An understanding of the potential trapping and storage …
Ambiguity in the causes for decadal trends in atmospheric methane and hydroxyl
AJ Turner, C Frankenberg… - Proceedings of the …, 2017 - National Acad Sciences
Methane is the second strongest anthropogenic greenhouse gas and its atmospheric
burden has more than doubled since 1850. Methane concentrations stabilized in the early …
burden has more than doubled since 1850. Methane concentrations stabilized in the early …
Exploring deep microbial life in coal-bearing sediment down to~ 2.5 km below the ocean floor
Microbial life inhabits deeply buried marine sediments, but the extent of this vast ecosystem
remains poorly constrained. Here we provide evidence for the existence of microbial …
remains poorly constrained. Here we provide evidence for the existence of microbial …
[HTML][HTML] Frontiers of carbonate clumped isotope thermometry
KW Huntington, SV Petersen - Annual Review of Earth and …, 2023 - annualreviews.org
Carbonate minerals contain stable isotopes of carbon and oxygen with different masses
whose abundances and bond arrangement are governed by thermodynamics. The clumped …
whose abundances and bond arrangement are governed by thermodynamics. The clumped …
Tracing sources of atmospheric methane using clumped isotopes
MA Haghnegahdar, J Sun, N Hultquist… - Proceedings of the …, 2023 - National Acad Sciences
We apply a recently developed measurement technique for methane (CH4) isotopologues
(isotopic variants of CH4—13CH4, 12CH3D, 13CH3D, and 12CH2D2) to identify …
(isotopic variants of CH4—13CH4, 12CH3D, 13CH3D, and 12CH2D2) to identify …
Distinguishing and understanding thermogenic and biogenic sources of methane using multiply substituted isotopologues
Sources of methane to sedimentary environments are commonly identified and quantified
using the stable isotopic compositions of methane. The methane “clumped-isotope …
using the stable isotopic compositions of methane. The methane “clumped-isotope …
The relative abundances of resolved l2CH2D2 and 13CH3D and mechanisms controlling isotopic bond ordering in abiotic and biotic methane gases
We report measurements of resolved 12 CH 2 D 2 and 13 CH 3 D at natural abundances in
a variety of methane gases produced naturally and in the laboratory. The ability to resolve …
a variety of methane gases produced naturally and in the laboratory. The ability to resolve …
Methyl (alkyl)-coenzyme M reductases: nickel F-430-containing enzymes involved in anaerobic methane formation and in anaerobic oxidation of methane or of short …
RK Thauer - Biochemistry, 2019 - ACS Publications
Methyl-coenzyme M reductase (MCR) catalyzes the methane-forming step in methanogenic
archaea. The active enzyme harbors the nickel (I) hydrocorphin coenzyme F-430 as a …
archaea. The active enzyme harbors the nickel (I) hydrocorphin coenzyme F-430 as a …