>Dear Friends and Colleagues, > >We would cordially like to draw your attention to the following >Goldschmidt >session: > >Session 12h. Frontiers in methane biogeochemistry > >Methane is a potent greenhouse gas which constitutes an integral part of >the >global carbon cycle. Although methane has been extensively studied in the >past decades, open questions still linger in terms of the methane cycle >across a large range of aquatic and sedimentary environments. In this >context, some of the greatest unknowns pertain to our current >understanding >of methanogenesis, namely rates, timescales, and dominant pathways, as >well >as to the methanotrophic role of oxidizing agents other than sulfate. >Addressing these queries will ultimately aid in pinpointing dominant >methane >sources and sinks, quantifying how much methane is present in the >hydrosphere, and further elucidate on past, contemporary, and future >methane >turnover rates. In this session, we invite active discussion about >state-of-the-art studies of methanogenesis and methanotrophy from the >biological, geochemical, geological, paleontological, isotopic and >modeling >perspectives. Topics include insights into methane provenance, >methanogenesis vs. methanotrophy, tools for estimating methanogenic and >methanotrophic rates, geochemical signatures of these processes, and >behavior/detection of methanogenic and methanotrophic communities. > >The abstract deadline is quickly approaching (February 1st) and we hope to >convene a good number of scientists to stimulate discussion and >interaction >in this important topic. > >Happy 2012! > >José Mogollón (Alfred Wegener Institute) >Laura Lapham (University of Maryland Center for Environmental Science) >Mike Formolo (University of Tulsa)
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