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BARBEAU, KATHERINE

Associate Professor

Degrees:

• B.S., Southampton College of Long Island University
• Ph.D., Massachusetts Institute of Technology-Woods Hole Oceanographic Institution

Research Interests:

• Biogeochemical cycling of trace metals in marine systems, especially Fe, Ni, Cu
• Biological transformations of trace metal speciation; biological acquisition of trace metals
• Photochemical redox cycling of trace metals
• Metals as limiting or co-limiting micronutrients in marine planktonic systems

Courses Recently Taught:

• SIO 269: Spec Topics/Marine Chemistry
• SIO 40: Life and Climate on Earth
• SIO260: Marine Chemistry
• SIO269: Spec Topics/Marine Chemistry
• SIO40: Life and Climate on Earth

Honors and Awards:

• UC President's Postdoctoral Fellowship, 1999
• NASA New Investigator Program Award, 2002

Mentoring:

• Ruacho, Angel (Graduate; 2012-)
• Hogle, Shane (Graduate; 2010-)
• Bundy, Randelle (Graduate; 2008-)
• Buck, Kristen (Post Doc; 2007-2009)
• Roe, Kelly (Graduate; 2004-2012)
• Dupont, Christopher (Graduate; 2003-2008)
• Herszage, Julian (Post Doc; 2002-2004)
• Hopkinson, Brian (Graduate; 2001-2007)
• King, Andrew (Graduate; 2001-2008)

Bundy, R.M., K. Barbeau, and K.N. Buck. 2012. Sources of Strong Copper-Binding Ligands in Antarctic Peninsula Surface Waters. Deep-Sea Res. II. In press.

Buck, K.N., J. Moffett, K.A. Barbeau, R.M. Bundy, Y. Kondo and J.Wu 2012. The organic complexation of iron and copper: an intercomparison of competitive ligand exchange-adsorptive cathodic stripping voltammetry (CLE-ACSV) techniques. L&O Methods.10, 496-515.

Landry, M.R., M.D. Ohman, R. Goericke, M.R. Stukel, K.A. Barbeau, R. Bundy and M. Kahru 2012. Pelagic community responses to a deep-water front in the California Current Ecosystem: overview of the A-Front Study. J. Plankton Res.in press, published online 4/24/12 doi:10.1093/plankt/fbs025

King, A.L., K.N. Buck and K.A. Barbeau. 2012. Quasi-Lagrangian drifter studies of iron speciation and cycling off Point Conception, California. Mar. Chem. 128-129:1-12.

Roe, K.L., K. Barbeau, E.L. Mann and M.G. Haygood. 2011. Acquisition of iron by Trichodesmium and associated organisms in culture. Environ. Microbiol. doi:10.1111/j.1462-2920.2011.02653.x

Hopkinson, B.M. and K.A. Barbeau. 2011. Iron transporters in marine prokaryotic genomes and metagenomes. Environ. Microbiol. doi:10.1111/j.1462-2920.2011.02539.x

King, A.L. and K. A. Barbeau. 2011. Dissolved iron and macronutrient distributions in the southern California Current System. J. Geophys. Res. 116, C03018

Buck, K.N., K.E. Selph and K.A. Barbeau. 2010. Iron-binding ligand production and copper speciation in an incubation experiment of Antarctic Peninsula shelf waters from the Bransfield Strait, Southern Ocean. Mar. Chem. 122:148-159.

Dupont, C.L., K.N. Buck, B. Palenik and K. Barbeau. 2010. Nickel utilization in phytoplankton assemblages from contrasting oceanic regimes. Deep Sea Res. I 57:553-566.

Hopkinson, B.M., K.Roe and K. Barbeau. 2008. Heme uptake by Microscilla marina and evidence for heme uptake systems in the genomes of diverse marine bacteria. Appl. Environ. Microbiol. 74:6263-6270.

Hopkinson, B.M. and K. Barbeau. 2008. Interactive influences of iron and light limitation on phytoplankton at subsurface chlorophyll maxima in the eastern North Pacific. Limnol. Oceanogr. 53: 1303-1318.

Dupont, C.L., K. Barbeau and B. Palenik. 2008. Ni limitation and uptake in marine Synechococcus. Appl. Environ. Microbiol. 74: 23-31.

Kwasnik, M., K. Fuhrer, M. Gonin, K. Barbeau and F. Fernandez. 2007. Resolving power and radial ion distributions in a prototype resistive glass atmospheric pressure ion mobility spectrometer. Anal. Chem. 79:7782-7791.

Hopkinson, B.M, B.G. Mitchell, R.A. Reynolds, H. Wang, K.E. Selph, C.I. Measures, C.D. Hewes, O. Holm-Hansen and K.A. Barbeau. 2007. Iron limitation across chlorophyll gradients in the southern Drake Passage: Phytoplankton responses to iron addition and photosynthetic indicators of iron stress. Limnol. Oceanogr. 52: 2540-2554.

King, A.L. and K. Barbeau. 2007. Evidence for phytoplankton iron limitation in the southern California current system. Mar. Ecol. Prog. Ser. 342:91-104.

Johnson, K.S., E. Boyle, K. Bruland, K. Coale, C. Measures, J. Moffett, A. Aguilar-Islas, K. Barbeau, B. Bergquist, A. Bowie, K. Buck, Y. Cai, Z. Chase, J. Cullen, T. Doi, V. Elrod, S. Fitzwater, M. Gordon, A. King, P. Laan, L. Laglera-Baquer, W. Landing, M. Lohan, J. Mendez, A. Milne, H. Obata, L. Ossiander, J. Plant, G. Sarthou, P. Sedwick, G.J. Smith, B. Sohst, S. Tanner, S. Van den Berg and J. Wu. 2007. Developing standards for dissolved iron in seawater. EOS. Vol. 88, No. 11, 13 Mar 2007, pp. 131-132.

Barbeau, K. 2006. Photochemistry of organic iron(III) complexing ligands in oceanic systems. Photochem. Photobio. 82: 1505-1516.

Hopkinson, B.M. and K. A. Barbeau. 2007. Organic and redox speciation of iron in the eastern tropical North Pacific suboxic zone. Mar. Chem. 106: 2-17 (DOI:10.1016/j.marchem.2006.02.008)

Barbeau,K. E.L. Rue, C.G. Trick, K.W. Bruland and A. Butler. 2003. Photochemical reactivity of siderophores produced by marine heterotrophic bacteria and cyanobacteria based on characteristic Fe(III) binding groups. Limnol. Oceanogr. 48: 1069-1078.

Barbeau, K. G. Zhang, D.H. Live and A. Butler. 2002. Petrobactin, a photoreactive siderophore produced by the oil-degrading marine bacterium Marinobacter hydrocarbonoclasticus. J. Am. Chem. Soc. 124: 378-379.

Barbeau, K., E.L. Rue, K.W. Bruland and A. Butler. 2001. Photochemical cycling of iron in the surface ocean mediated by microbial iron(III)-binding ligands. Nature 413: 409-413.

Barbeau, K., E.B. Kujawinski and J.W. Moffett. 2001. Remineralization and recycling of iron, thorium and organic carbon by heterotrophic marine protists in culture. Aqat. Microb. Ecol. 24: 69-81.

Barbeau, K. and J.W. Moffett. 2000. Laboratory and field studies of colloidal iron oxide dissolution as mediated by phagotrophy and photolysis. Limnol. Oceanogr. 45: 827-835.

Barbeau, K. and J.W. Moffett. 1998. Dissolution of Fe oxides by phagotrophic protists: Using a novel method to quantify reaction rates. Env. Sci. Technol. 32: 2969-2975.

Moffett, J.W., L.E. Brand, P.L. Croot and K.A. Barbeau. 1997. Cu speciation and cyanobacterial distribution in harbours subject to anthropogenic Cu inputs. Limnol. Oceanogr. 42:789-799.

Barbeau, K., J.W. Moffett, D.A. Caron, P.L. Croot and D.L. Erdner. 1996. Role of protozoan grazing in relieving iron limitation of phytoplankton. Nature 380:61-64.

Barbeau, K. and R. Wollast. 1994. Microautoradiography (with combined liquid scintillation) applied to the study of trace metal uptake by suspended particles: Initial results using 63Ni as a tracer. Limnol. Oceanogr. 39: 1211-1222.