Robert Spencer

Assistant Professor

Geochemistry, Scientific Staff


Contact Information

Phone (850) 644-9205
Fax (850) 644-0827
Building EOAS

Publications and Scientific Activities


    1. High Fire-derived Nitrogen Deposition on Central African Forests Bauters, M.; Drake, T.W.; Verbeeck, H.; Bode, S.; Herve-Fernandez, P.; Zito, P.; Podgorski, D.C.; Boyemba, F.; Makelele, I.; Ntaboba, L.C.; Spencer, R.G.M. and Boeckx, P. P. Natl. Acad. Sci. U.S.A., 115, 3, 549-554 (2018)
    2. Unifying Concepts Linking Dissolved Organic Matter Composition to Persistence in Aquatic Ecosystems Kellerman, A.M.; Guillemette, F.; Podgorski, D.C.; Aiken, G.R.; Butler, K.D. and Spencer, R.G.M. Environ. Sci. Technol., 52, 5, 2538-2548 (2018)
    3. Flux and Seasonality of Dissolved Organic Matter From the Northern Dvina (Severnaya Dvina) River, Russia Johnston, S.E.; Shorina, N.; Bulygina, E.; Vorobjeva, T.; Chupakova, A.; Kilmov, S.I.; Kellerman, A.M.; Guillemette, F.; Shiklomanov, A.; Podgorski, D.C. and Spencer, R.G.M J. Geophys. Res. Biogeosci., 123, 3, 1041-1056 (2018)
    4. Selective Leaching of Dissolved Organic Matter From Alpine Permafrost Soils on the Qinghai-Tibetan Plateau Wang, Y.; Xu, Y.; Spencer, R.G.M.; Zito, P.; Kellerman, A.; Podgorski, D.; Xiao, W.; Wei, D.; Rashid, H. and Yang, Y. J. Geophys. Res. Biogeosci., 123, 3, 1005-1016 (2018)
    5. Bio-lability and Characterization of DOC Derived from the Photo-dissolution of Microplastics Stubbins, A.; Zhu, L.; Zhao, S.; Podgorski, D.C.; Spencer, R.G. and Li, D. 2018 Ocean Sciences Meeting Portland, OR February 11-16 (2018)
    6. In Search of the Missing Macondo Oil: A Case for Photochemical and Biological Solubilization En Route to Refractory Dissolved Organic Matter Podgorski, D.C.; Zito, P.; Tarr, M.A.; Harriman, B.H.; Suflita, J.M.; Cao, X.; Schmidt-Rohr, K.; Cozzarelli, I.M.; Bekins, B.A. and Spencer, R.G.M. 2018 Gulf of Mexico Oil Spill and Ecosystem Science Conference New Orleans, LA February 5-8 (2018)
    7. Landscape and Seasonal Controls on Chromophoric Dissolved Organic Matter and Molecular Composition in Alaskan North Slope Lakes Guillemette, F.; Frey, D.C.; Podgorski, D.C.; Townsend-Small, A.; Corilo, Y.E. and Spencer, R.G.M. Association for the Sciences of Limnology and Oceanography 2018 Summer Meeting Victoria, BC, Canada June 10-15 (2018)


    1. Petroleum as a Surrogate to Unlock the Compositional and Sructural Continuum of Dissolved Organic Matter Podgorski, D.; Zito, P.; Tarr, M. and Spencer, R.G. 253rd ACS National Meeting & Exposition San Francisco, CA Aprl 2-6 (2017)
    2. The Role of DOM in Nitrogen Processing in Streams Across Arctic Regions Affected by Fire Rodriquez-Cardona, B.; Schade, J.D.; Holmes, R.M.; Natali, S.; Mann, P.J.; Wymore, A.; Prokishkin, A.S.; Zito, P.; Podgorski, D.C.; Spencer, R.G. and McDowell, W.H. American Geophysical Union Fall Meeting New Orleans, LA December 11-15 (2017)
    3. Illuminating the Dark Side of DOM: A Bottom Up Approach to Understanding the Structure and Composition of DOM Zito, P.; Tarr, M.A.; Spencer, R.G. and Podgorski, D.C. American Geophysical Union Fall Meeting New Orleans, LA December 11-15 (2017)
    4. A DOM Odyssey: The Tale of Molecular Transformations in an Aquifer near Bemidji, MN Podgorski, D.C.; Zito, P.; Smith, D.F.; Cao, X.; Schmidt-Rohr, K.; Wagner, S.; Stubbins, A.; Aiken, G.; Cozzarelli, I.; Bekins, B.A. and Spencer, R.G. American Geophysical Union Fall Meeting New Orleans, LA December 11-15 (2017)
    5. Organic Carbon Biolabilty Increases with Depth in a Yedoma Permafrost Profile in Interior Alaska Heslop, J.K.; Anthony, K.M.W.; Spencer, R.; Winkel, M.; Zhang, M.; Liebner, S.; Podgorski, D.C.; Zito, P. and Kholodov, A.L. American Geophysical Union Fall Meeting New Orleans, LA December 11-15 (2017)


    1. DOM Composition and Transformation in Boreal Forest Soils: The Effects of Temperature and Organic-Horizon Decomposition State O'Donnell, J.A.; Aiken, G.R.; Butler, K.D.; Guillemette, F.; Podgorski, D.C. and Spencer, R.G.M. J. Geophys. Res. Biogeosci., 121, 10, 2727-2744 (2016)