Dr. Timothy Filley

Associate Head, Associate Professor

E-mail: filley@purdue.edu

Associated Website(s):Filley Biogeochemistry Research Group, Purdue Climate Change Research Center, Purdue Stable Isotope (PSI) Facility, Atmospheric-Surface Interactions (ASI)

Education

Ph.D.- Pennsylvania State University.

Research Interests

Molecular stable-isotope biogeochemistry, microbial cycling of carbon and nitrogen, formation of high sulfur sediments, preservation of lipids and macromolecules.

Teaching Interests

EAS 109 The Dynamic Earth

Professional Experience

  • Associate Professor, Department of Earth and Atmospheric Sciences, Purdue University (2006)

  • Assistant Professor, Department of Earth and Atmospheric Sciences, Purdue University (2000- 2006).

  • NASA/CIW Astrobiology Post Doctoral Fellow (1998-2000).

  • Carnegie Post Doctoral Fellow : (1997- 1998) Geophysical Laboratory, Carnegie Institution of Washington.

Selected Publications

  • Grannas, A. M., Shepson, P.B., Filley, T.R. (2004) The Photochemistry and Nature of Organic Matter in Arctic and Antarctic Snow. Global Biogeochemical Cycles 18, No. 1, GB1006

  • Bianchi T. S., Filley. T.R., Dria K. and Hatcher P.G. (2004) Temporal Variability in Sources of Dissolved Organic Carbon in the Lower Mississippi River . Geochimica et Cosmochimica Acta. 68, (In Press).

  • Cody, .D., Boctor, N.Z., Brandes, J.J., Filley, T.R., Hazen, R.M., Yoder H.S.Jr. (2004) Assaying the Catalytic Potential of Transition Metal Sulfides for Geochemical Carbon Fixation. Geochimica et Cosmochimica Acta. (In Press).

  • Filley T.R., (2003) A ssessment of Fungal W ood Decay by Lignin Analysis using Tetramethylammonium Hydroxide (TMAH) and 13C-Labelled TMAH thermochemolysis ACS Series 845, Wood Deterioration and Preservation: Advances in Our changing World (Goodell, Nicholas and Schultz, eds) Chp. 7 , pgs. 119 - 139.

  • Filley T.R., Freeman K.H., Hatcher P.G. (2002). Biogeochemical controls on reaction of sedimentary organicmatter and aqueous sulfides in Holocene sediments of Mud Lake, Florida. Geochimica et Cosmochimica Acta 66 , 937-954 .

  • Filley T. R., Freeman K. H., Hatcher P.G., Bianchi T.S., Baskaran M., Colarusso, L.A. and Hatcher P.G. (2001). An isotopic biogeochemical assessment of shifts in organic matter input to Holocene sediments from Mud Lake, Florida. Organic Geochemistry 32, 1152-1167.

  • Filley T. R., Freeman K. H., Hatcher P.G., Wilkin, R. (2001). Biogeochemical controls On reaction of sedimentary organic matter and aqueous sulfides in Holocene sediments of Mud Lake, Flor-ida. Geochimica et Cosmochimica Acta, (In Press).

  • Filley T. R., Blanchette R.A., Simpson, E, Fogel, M. Nitrogen cycling by wood decomposing soft-rot fungi in the "King Midas tomb", Gordion, Turkey. decay fungi in the King Midas tomb, Gor-dion, Turkey. Proceedings of the National Academy of Sciences, (In Press).

  • Hazen R.M., Filley T.R., Goodfriend G. (2001). Selective adsorption of L- and D- amino acids on calcite: Implications for biochemical homochirality. Proceedings of the National Academy of Sci-ences, 98, no. 10, 5487-5490.

  • Session Chair, American Chemical Society, April, 2001, San Diego, CA. "The Biogeochemistry of Ter-restrial Organic Matter."