Journal ArticleDOI
Carbon and hydrogen isotope systematics of bacterial formation and oxidation of methane
TLDR
In this paper, the major dissolved carbon species in diagenetic settings are represented by the two carbon redox endmembers CH4 and CO2, and they can be tracked with the aid of carbon ( 13 C / 12 C ) and hydrogen ( D/H≡ 2 H/ 1 H ) isotopes.About:
This article is published in Chemical Geology.The article was published on 1999-09-30. It has received 2589 citations till now. The article focuses on the topics: Isotopes of carbon & Carbon.read more
Citations
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Journal ArticleDOI
Production, oxidation, emission and consumption of methane by soils: A review
Jean Le Mer,Pierre-Armand Roger +1 more
TL;DR: In this article, the anaerobic zones of submerged soils by methanogens and methanotrophs are oxidised into CO2 in the aerobic zones of wetland soils and in upland soils.
Journal ArticleDOI
Impact of shale gas development on regional water quality
TL;DR: Improved understanding of the fate and transport of contaminants of concern and increased long-term monitoring and data dissemination will help effectively manage water-quality risks associated with unconventional gas industry today and in the future.
Journal ArticleDOI
Oceanic methane biogeochemistry.
TL;DR: It is shown that thermodynamic and kinetic constraints largely prevent large-scale methanogenesis in the open ocean water column, and the role of anaerobic oxidation of methane has changed from a controversial curiosity to a major sink in anoxic basins and sediments.
Journal ArticleDOI
Arsenic mobility and groundwater extraction in Bangladesh.
Charles F. Harvey,Christopher H. Swartz,A. B. M. Badruzzaman,Nicole Keon-Blute,Winston Yu,M. Ashraf Ali,Jenny Jay,Roger Beckie,Volker Niedan,Daniel J. Brabander,Peter M. Oates,Khandaker N. Ashfaque,Shafiqul Islam,Harold F. Hemond,M. Feroze Ahmed +14 more
TL;DR: The results of field injection of molasses, nitrate, and low-arsenic water show that organic carbon or its degradation products may quickly mobilize arsenic, oxidants may lower arsenic concentrations, and sorption of arsenic is limited by saturation of aquifer materials.
Journal ArticleDOI
Metabolic, phylogenetic, and ecological diversity of the methanogenic archaea.
Yuchen Liu,William B. Whitman +1 more
TL;DR: The ecology of methanogens highlights their complex interactions with other anaerobes and the physical and chemical factors controlling their function.
References
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Journal ArticleDOI
Biogenic methane formation in marine and freshwater environments: CO2 reduction vs. acetate fermentation—Isotope evidence
TL;DR: In this paper, the carbon and hydrogen stable isotope composition of the methane as a function of the coexisting carbon dioxide and formation water precursors is used to distinguish two primary methanogenic pathways.
Journal ArticleDOI
Biogeochemical aspects of atmospheric methane
TL;DR: In this paper, the authors identify and evaluate several constraints on the budget of atmospheric methane, its sources, sinks and residence time, and construct a list of sources and sinks, identities, and sizes.
Biology of anaerobic microorganisms
TL;DR: The Principles and Limits of Anaerobic Degradation: Environmental and Technological Aspects (B. Vogels, et al.) are published.
Journal ArticleDOI
The hydrogen and carbon isotopic composition of methane from natural gases of various origins
TL;DR: The deuterium concentrations (δD vs SMOW) of biogenic methanes from world-wide occurrences range from −180 to −280% and were found to be depleted in deutrium by approx. 160%.
Book ChapterDOI
The Origin and Distribution of Methane in Marine Sediments
TL;DR: Methane has been detected in several cores of rapidly deposited (> 50 m/my) deep sea sediments as discussed by the authors, and the methane originates predominantly from bacterial reduction of CO2, as indicated by complimentary changes with depth in the amount and isotopic composition of redox-linked pore water constituents.