EGU General Assembly 2007

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	Quick Search Title + Author Title Author Abstract Number Schedule Number Programme Groups Great Debates Union Symposia Educational Symposia Atmospheric Sciences Biogeosciences Climate: Past, Present, Future Cryospheric Sciences Energy, Resources and the Environment Geochemistry, Mineralogy, Petrology & Volcanology Geodesy Geodynamics Geomorphology Geosciences Instrumentation and Data Systems Hydrological Sciences Isotopes in Geosciences: Instrumentation and Applications Magnetism, Palaeomagnetism, Rock Physics & Geomaterials Natural Hazards Nonlinear Processes in Geosciences Ocean Sciences Planetary and Solar System Sciences Seismology Soil System Sciences Solar-Terrestrial Sciences Stratigraphy, Sedimentology and Palaeontology Tectonics and Structural Geology Medal Lectures EGU Short Courses Keynote Lectures Townhall Meetings Division Business Meetings Editorial Board Meetings Union Meetings Splinter Meetings Forums   Information - BG1.07 Electron transfer processes in soils, sediments, and aquifers: concepts and cases (co-listed in SSS) Event Information Electron transfer processes control the fate and sequestration of organic matter in the subsurface, i.e. in soils, sediments and aquifers. They also determine the fate and mobility of redox sensitive major elements and trace elements, such as arsenic, mercury, and cadmium, which are of environmental interest. The past decade has seen dramatic progress on chemical and microbially mediated electron transfer processes and on the ways these processes are controlled by mineral surface characteristics, and thermodynamic and kinetic factors. Novel approaches using stable isotopes, reactive tracers, and in situ reactors have also changed our view of electron transfer processes in the subsurface. This interdisciplinary session seeks to examine this progress from the micro- to the watershed scale. We invite fundamental contributions that address electron shuttling processes, thermodynamic and kinetic constraints, and decoupling of electron transfer processes in space and time. Also we solicit applied case studies that illustrate the application of these concepts in soils, sediments, and aquifers. Preliminary List of Solicited Speakers Prof. Dr. Stefan Peiffer Co-Sponsorship General Statement The information contained hereafter has been compiled and uploaded by the Session Organizers via the "Organizer Session Form". The Session Organizers have therefore the sole responsibility that this information is true and accurate at the date of publication, and the conference organizer cannot accept any legal responsibility for any errors or omissions that may be made, and he makes no warranty, expressed or implied, with regard to the material published. Back to Session Programme

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