Susan E. Trumbore

Professor, Dept. of Earth System Science
Director, Institute for Geophysics and Planetary Physics, Irvine Branch

University of California
Irvine, CA 92697-3100
949-824-6142 (voice)
949-824-3256 (fax)
setrumbo@uci.edu

Further Information: http://www.ess.uci.edu/~trumbore/

Education

B.S. (1981) Geology, University of Delaware
M. A. (1983), M. Phil. (1987), and PhD. (1989) Geochemistry, Columbia University

Awards

1994-99 National Young Investigator (National Science Foundation)
1993 University of Delaware Presidential Citation for Outstanding Achievement
1996 Distinguished Assistant Professor Award for Research, UC Irvine
1997 - 98 Bullard Fellow, Harvard University
1997 Editor's Citation for Excellence in Refereeing (Global Biogeochemical Cycles)
1999 Clara Barton Spectrum Award for Outstanding Women in Orange County -
Environment Award (Red Cross of Orange County)

Research Interests

Use of isotopes and tracers to study the sources, transformations, and fate of important atmospheric trace gases. Application of accelerator mass spectrometry measurements of 14C and 10Be to problems in ecology, soil biogeochemistry and terrestrial C cycling.

Employment

• Assistant Professor (1991- 1996), Associate Professor (1996 to 2000) and Professor,
  University of California, Irvine
• Post-doctoral Researcher, Center for Accelerator Mass Spectrometry, Lawrence
  Livermore Laboratory, 1989 - 1991
• Post-doctoral Researcher, Lamont-Doherty Geological Observatory and Swiss Federal
  Institute of Technology 1988 - 1989
• Graduate Research Assistant (Columbia University LDGO), 1981 - 1988

Service

Editorial Board: Geology Magazine (1994-1997)
American Geophysical Union: President, Biogeochemistry Section (starting 7/02); AGU
Paleoceanography and Paleoclimate Committee (1996-2000); AGU Committee on Global
Environmental Change (2000-2002)
Advisory Boards: University of California Institute for Geophysics and Planetary
Physics; NOSAMS Accelerator Mass Spectrometry facility, Woods Hole Oceanographic
Institution, Max Planck Institute for Biogeochemistry, Jena, Germany.

Five Recent Relevant Publications

Trumbore, S. E., O. A. Chadwick and R. Amundson, Rapid exchange of soil carbon and atmospheric CO2 driven by temperature change, Science 272:393-396 (1996).

Torn, M. S., S. E Trumbore, O. A. Chadwick, P. M. Vitousek and D. Hendricks, Mineral control of soil organic carbon storage, Nature 389:170-173 (1997).

Gaudinski, J.B., S. E. Trumbore, E. A. Davidson, and Shuhui Zheng, Soil carbon cycling in a temperate forest: radiocarbon-based estimates of residence times, sequestration rates, and partitioning of fluxes, in press, Biogeochemistry. V51(N1):33-69 (2000).

Trumbore S. E., Constraints on below-ground carbon cycling from radiocarbon: the age of soil organic matter and respired CO2, in press, Ecological Applications,10, 399-411.(2000).

Dioumaeva, I., S. Trumbore, E. A. G. Schuur1, M. L. Goulden, M. Litvak, A. I. Hirsch, Decomposition of peat from upland boreal forest: temperature dependence and sources of respired carbon, in press, JGR-Atmospheres.

Five other publications

Trumbore, S. E., Potential Responses of Soil carbon to Global Change, Proceedings Natl. Acad. Sciences 94: 8,284-8,291 (1997).

Rapalee, G., S. E. Trumbore, E. A. Davidson, J. W. Harden and H. Veldhuis, Scaling soil C stocks and fluxes in a boreal forest landscape, Global Biogeochemical Cycles, 12: 687-701 (1998).

Camargo, P, S E Trumbore, LA Martinelli, E A Davidson, D C Nepstad, R Victoria,Carbon Dynamics in Regrowing Forest of Eastern Amazonia, Global Change Biology V5(N6):693-702 (1999).

Trumbore, S. E., J. L. Bubier, J. W. Harden, P. M. Crill, Carbon cycling in boreal wetlands: a comparison of three approaches, Journal of Geophysical Research(Atmospheres) v. 104:27,673-27,682 (1999).

Gaudinski, JB; Trumbore, SE; Davidson, EA; Cook, AC; Markewitz, D; Richter, DD. The age of fine-root carbon in three forests of the eastern United States measured by radiocarbon. Oecologia, V129(N3):420-429 (2001).

Postdoctoral Researchers Advised

Margaret Torn (9/94 - 9/97), Andrea Cook (partial; 3/97 - 3/98), Jeffrey Q. Chambers
(6/98- present), Edward Schuur (6/99 - 12/01), Tibisay Pérez (10/99 - present), Michelle
Mak (visiting researcher; 9/99 - 5/01).

Ph.D. Students

Tibisay Pérez (8/99), Adam Hirsch (9/00), Julia Gaudinski (2/01)
In progress: Enir Salazar da Costa; Maria Luz Cisneros Dozal.

Recent Collaborators

Eric Davidson, Jennifer Harden, Jill Bubier, Margaret Torn,
Oliver Chadwick, Ronald Amundson, Josh Schimel, Daniel Nepstad, Plínio Barbosa de
Camargo, Niro Higuchi, Luiz Martinelli, Dan Richter, Andrea Cook, Dan Markewitz,
Patrick Crill, Michael Goulden, Paul Hanson, Margaret Torn.

Advisors

Ph.D. and first post-doc: Wallace S. Broecker, Lamont-Doherty Earth
Observatory. Second post-doc (LLNL): Jay C. Davis, Center for Accelerator Mass
Spectrometry, Lawrence Livermore National Laboratory.