James Moffett

Professor of Biological Sciences and Civil and Environmental Engineering
Email jmoffett@usc.edu Office AHF 204 Office Phone (213) 740-5626

Research & Practice Areas

Marine Geochemistry
Environmental bioinorganic chemistry


  • Ph.D. Chemical Oceanography, University of Miami, 1986
  • B.S. Chemistry, University of Otago, 1981
    • Postdoctoral Scholar, Woods Hole Oceanographic institution, 12/1986-12/1988
  • Summary Statement of Research Interests

    Geochemistry of the oceans, Speciation and redox chemistry of trace elements in natural waters, with emphasis on transport processes and catalytic processes.
    Metal -phytoplankton interactions; characterization of biologically produced chelators
    Effects of protozoans on chemical fate
    Bacterially mediated metal precipitation reactions

    Research Specialties

    Marine Geochemistry
    Environmental bioinorganic chemistry

  • Journal Article

    • Jacquot, J. E., Horak, R. E., Amin, S. A., et, a. (2014). Assessment of the potential for copper limitation of ammonia oxidation by Archaea in a dynamic estuary Mar. Chem. Vol. 162, pp. 37-49.
    • Vedamati, J., Goepfert, T., Moffett, J. W. (2014). Iron speciation in the Eastern Tropical South Pacific oxygen minimum zone off of Peru. Limnol. Oceanogr.
    • Qin, W., Urakawa, H., Amin, S. A., Martens-Habbena, W., Devol, A., Walker, C. B., Moffett, J. W., Armbrust, E. V., Ingalls, A. E. (2014). Novel isolates of marine ammonia-oxidizing archaea display obligate mixotrophy and wide ecotypic variation. Proc. Natl. Acad. Sci.
    • Jacquot, J. E., Kondo, Y., Knapp, A. N., Moffett, J. W. (2013). The speciation of copper across active gradients in nitrogen-cycle processes in the eastern tropical South Pacific. Limnol. Oceanogr.. Vol. 58 (4), pp. 1387-1394, doi:10.4319/lo.2013.58.4.1387.
    • Amin, S. A., Moffett, J. W., Martens-Habbena, W., Jacquot, J. E., Han, Y., Devol, A., Ingalls, A. E., Stahl, D. A., Armbrust, E. V. (2013). Copper requirements of the ammonia-oxidizing archaeon Nitrosopumilus maritimus SCM1 and implications for nitrification in the marine environment. Limnol. and Oceanogr.. pp. 58, 2037-2045.
    • Kondo, Y., Moffett, J. W., Nishioka, J. (2013). Dissolved Fe(II) in the Arabian Sea oxygen minimum zone and western tropical Indian Ocean during the inter-monsoon period Deep Sea Res. Part 1. Vol. 73, pp. 73–83.
    • Horak, R. A., Qin, W., Schauer, A. J., et, a. (2013). Ammonia oxidation kinetics and temperature sensitivity of a natural marine community dominated by Archaea. ISME Journ. Vol. 7 (10), pp. 2023-2033.
    • Kondo, Y., Moffett, J. W. (2013). Dissolved Fe(II) in the Arabian Sea oxygen minimum zone and western tropical Indian Ocean during the inter-monsoon period. Deep Sea Res. Vol. Part 1, pp. 73 : 73-83.
    • Moffett, J. W., Tuit, C. B., Ward, B. B. (2012). Chelator-induced inhibition of Cu metalloenzymes in denitrifying bacteria Limnol. OceanogrLimnol. Oceanogr. Vol. 57 (1), pp. 272-280.
    • Naqvi, S., Moffett, J. W., Gauns, M. (2010). The Arabian Sea as a high-nutrient, low-chlorophyll region during the late Southwest Monsoon. Biogeosciences. Vol. 7 (7), pp. 2091-2100..
  • Editorships and Editorial Boards

    • Associate Editor, Marine Chemistry, 2010-2011
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