Paradox reconsidered Methane oversaturation in well-oxygenated lake waters

• Published in: Limnology and oceanography Vol. 59; no. 1; pp. 275 - 284
• Main Authors: Tang, Kam W., McGinnis, Daniel F., Frindte, Katharina, Brüchert, Volker, Grossart, Hans-Peter
• Format: Journal Article
• Language: English
• Published: Waco, TX John Wiley and Sons, Inc 01.01.2014; American Society of Limnology and Oceanography
• Subjects: Earth sciences; Earth, ocean, space; Exact sciences and technology; Hydrology; Hydrology. Hydrogeology; Marine and continental quaternary; Surficial geology; Central Europe; Europe; Germany; experimental studies; fresh-water environment; accumulation; nitrogen; thermocline; oxidation; concentration; methanogenesis; surface water; bottom water; photosynthesis; isotopes; fixation; methane; lakes; oxygen

The widely reported paradox of methane oversaturation in oxygenated water challenges the prevailing paradigm that microbial methanogenesis only occurs under anoxic conditions. Using a combination of field sampling, incubation experiments, and modeling, we show that the recurring mid-water methane pe...