Current Officers

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President:

Jen Harden pic
Jennifer Harden
Senior Scientist,
U.S. Geological Survey
jharden@usgs.gov
webpage

Experience: Research soil scientist with the U.S. Geological Survey since 1982. Adjunct associate professor at the University of Alaska Fairbanks since 2005. Currently serving as board member of U.S. Permafrost Association. Research topics in soils have ranged from geomorphology and Quaternary geology as applied to geologic mapping and fault hazards, paleoclimate in semiarid regions, to the role of soils in carbon cycle science. B.S in soil resource management, M.S. and Ph.D. in soil science, all from University of California, Berkeley (1982). Served on editorial boards of Geological Society of America Bulletin; Geology; and Journal Geophysical Research - Biogeosciences during its formative years of 2005 - 2007. Recently served on Steering Committee for National Academy of Sciences Frontiers in Soil Sciences; DOE Biological and Environmental Research Advisory Committee. To date, have authored more than 70 articles, most cited of which are on a quantitative index of soil development as applied to landscape evolution and on carbon storage and exchange in boreal forest soils.

Secretary:

Hope Jahren pic
A. Hope Jahren
Professor,
University of Hawaii
jahren@hawaii.edu
webpage

Experience: Professor, School of Ocean and Earth Science and Technology, University of Hawaii. Major research interests include stable isotope geobiology. B.A., cum laude, geology, 1991, University of Minnesota at Minneapolis; Ph.D., soil science, 1996, University of California, Berkeley. Assistant through full professor at Johns Hopkins University, 1999 - 2008; Assistant professor at Georgia Institute of Technology, 1996 - 1999. Member, Geological Society of America. Authored 46 refereed publications, two in AGU journals. AGU James B. Macelwane Medal: American Geophysical Union Young Scientist Award, 2005; Donath Medal: Geological Society of America Young Scientist Award, 2001; Geological Society of America Fellow. AGU service 2008 to present: Fellow Selection Committee member, Biogeosciences section.

President-Elect (President for 2012-14):

Eric Davidson pic
Eric Davidson
Senior Scientist,
Woods Hole Research Center
edavidson@whrc.org
webpage

Experience: Major area of interest is the exchange of carbon, nitrogen, and other nutrients among soils, atmosphere, and hydrosphere, and how land use change and climate change affect those stocks and flows. Most recent work is in forests of New England and the Amazon basin and in agricultural systems. B.A. in biology, Oberlin College, 1978, and Ph.D. in forestry at North Carolina State University, 1986. Postdoc, University of California, Berkeley (1986 - 1989); National Research Council (NSF) associate, NASA Ames Research Center (1989 - 1991), and Woods Hole Research Center (1991 to present). Member of Ecological Society of America, Soil Science Society of America, and American Association for the Advancement of Science. Currently NASA project scientist, Large Scale Biosphere-Atmosphere Experiment (LBA); principal investigator of NSF Research Coordination Network on Denitrification; cofounder and advisor to the International Nitrogen Initiative; and editor of Global Change Biology. Published 120 papers, with 17 in AGU journals. Most cited are a 1989 paper on the "hole-in-the-pipe" conceptual model of N-gas production in soils and a 2006 review of the temperature sensitivity of decomposition of soil organic matter. Currently the AGU Biogeosciences section program coordinator for the spring 2010 Meeting of the Americas in Brazil.

Past Officers of the AGU Biogeosciences Section.