Dr. Carbotte applies marine geophysical techniques to study sedimentary processes and to characterize benthic habitats in the estuarine setting, including the linkages between rising sea level and climate fluctuations with the changing faunal populations documented in the river sediments. She has served on numerous national committees, including the NSF-funded Ridge 2000 steering committee (2002-2007), ORION Cyberinfrastructure Committee (2005-2007), and the Ocean Observing Science Committee (2010-present). Dr. Carbotte received a B.S. in geology and physics from the University of Toronto in 1982; an M.Sc. in geophysics at Queen’s University, Kingston, Ontario, in 1986; and a Ph.D. in marine geophysics from the University of California, Santa Barbara, in 1992.

Kenneth A. Farley is chair of the Division of Geological and Planetary Sciences and W. M. Keck Foundation Professor of Geochemistry at the California Institute of Technology, where he has been since 1993. His research is focused on the use of noble gas concentrations and isotopic ratios and addresses problems in a range of disciplines of the Earth sciences. Current interests include (1) development and application of techniques for assessing the cooling history of rocks from the in-growth and diffusion of radiogenic helium-4, (2) improved analytical techniques for measurement of cosmogenic noble gases and experimental investigation of the processes by which these isotopes are produced, and (3) identifying major events in the recent history of the solar system using extraterrestrial helium-3 in seafloor sediments. He was director of the CalTech Tectonic Observatory and received the Macelwane Medal from the American Geophysical Union in 1999 and the National Academy of Sciences Award for Initiatives in Research in 2000. Dr. Farley received a B.S. in chemistry from Yale University in 1986 and a Ph.D. in earth science from the Scripps Institution of Oceanography, University of California, San Diego, in 1991.

Kristine M. Larson is a professor of aerospace engineering sciences at the University of Colorado, Boulder. Dr. Larson’s research focuses on using high-precision global positioning system (GPS) techniques to address a range of geophysical issues that include measuring and interpreting crustal deformation as well as using geodetic techniques for measuring soil moisture variations, snow depth, and vegetation. She has studied plate boundary zone deformation in Alaska, Nepal, Tibet, Ethiopia, California, and Mexico. Dr. Larson’s research has also emphasized engineering development by pushing the temporal sampling of GPS to subdaily intervals for studies of earthquakes, volcanoes, and ice sheet dynamics. She served as editor of Geophysical Research Letters from 2002 to 2004. She was elected a fellow of the American Geophysical Union in 2011. Dr. Larson received her A.B. in engineering sciences from Harvard University in 1985 and her Ph.D. in geophysics from the Scripps Institution of Oceanography, University of California, San Diego, in 1990.

Timothy Lyons is a professor of biogeochemistry in the Department of Earth Sciences at the University of California, Riverside, where he has been since 2005. His research interests are in marine geochemistry and geobiology; biogeochemical cycles through time; earth history and paleoclimate; and astrobiology linked to career-long interests in anoxic marine environments, early atmospheric oxygenation, and co-evolving life. His research includes the development and refinement of diverse geochemical proxies in modern settings for study of the ancient ocean. Dr. Lyons is a fellow of the Geological Society of America and the American Association for the Advancement of Science and the recipient of an NSF CAREER Award. He has been a visiting scholar at the Royal Netherlands Institute of Sea Research, the University of Queensland, the University of Tasmania (Comet Fellow), the Max Planck Institute for Marine Microbiology (Hanse Fellow), and Cambridge University (Leverhulme Visiting Professorship), and he was the first Agassiz Lecturer at Harvard University. Dr. Lyons has served on numerous steering and organizing committees, including service to the Goldschmidt Conference of the Geochemical Society, the Integrated Ocean Drilling Program, and funding panels spanning four programs within NSF, two within the National Aeronautics and Space Administration (NASA) and one within the American Chemical Society. Dr. Lyons has served in eight editorial positions, including a long-standing affiliation with Geochimica et Cosmochimica Acta and a new relationship with Global Biogeochemical Cycles, and he has served on an American Geological Union editorial advisory board. He is active within the NASA Astrobiology Institute, the Agouron



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