Woods Hole Oceanographic Institution

Tristan J. Horner

Curriculum Vitae


2004—2008 | M.Sci Geology & Geophysics, Imperial College London. Project advisors: Profs. M. Rehkämper & M. Schönbächler. M.Sci study area: Are ferromanganese crusts archives of deep water Cd isotope compositions?

2008—2012 | D.Phil Earth Sciences, University of Oxford. Thesis advisors: Profs. G.M. Henderson & R.E.M. Rickaby. D.Phil study area: The Marine Biogeochemistrty of Cadmium and its Isotopes.

2012—2016 |  Postdoctoral Scholar then Postdoctoral Fellow, Woods Hole Oceanogrpahic Institution. Postdoctoral mentors: Drs. P.J. Lam, S.G. Nielsen, & M.A. Saito. Project area(s): Metal isotope biogeochemistry.

Employment history

2016Present |  Assistant Scientist, Woods Hole Oceanogrpahic Institution. Department of Marine Chemistry & Geochemistry.

2007 | Exploration Geoscientist, Gold Fields Australia. Graduate exploration geoscientist at the remote Agnew gold mining facility in Western Australia.

2006 | HSEC Assistant, Rio Tinto Mining & Exploration Ltd. Health, Safety, Environment, & Communities Assistant for Rio Tinto Exploration in Limpopo, South Africa.

Recent outreach activities

MacBlane, A. and T.J. Horner (2016) Guide for Integrating Climate Literacy into Existing Curricula. Session at MEES 2016 Conference: 'The Language of Climate Change'.

Sweetland, J. and T.J. Horner (2015) Climate Communications: A Strategic Science Translation Approach. Workshop presented at AGU Fall Meeting 2015, San Francisco.

Guest lectures on the carbon cycle at Boston Nature Center (2015), Wellfleet Bay Wildlife Sanctuary (2015), SeaWorld San Diego (2014).

Judge for Falmouth Public Schools Science & Engineering FairLawrence (Middle) School (2015—Present)

Science Fellow, National Network for Ocean and Climate Change Interpretation.

Peer-reviewed contributions

Bates, S.L., K.R. Hendry, H.V. Pryer, C.W. Kinsley, K.M. Pyle, E.M.S. Woodward, and T.J. Horner (2017) Barium isotopes reveal role of ocean circulation on barium cycling in the Atlantic, Geochim. Cosmochim. Acta., doi:10.1016/j.gca.2017.01.043.

Nielsen, S.G., J.D. Owens, and T.J. Horner (2016) Analysis of high-precision vanadium isotope ratios by medium resolution MC-ICP-MS,  J. Anal. At. Spectrom., doi:10.1039/C5JA00397K.

Horner, T.J., C.W. Kinsley, and S.G. Nielsen (2015) Barium-isotopic fractionation in seawater mediated by barite cycling and oceanic circulationEarth Planet. Sci. Lett., 430, 511-522, doi:10.1016/j.epsl.2015.07.027.

Horner, T.J., H.M. Williams, J.R. Hein, M.A. Saito, K.W. Burton, A.N. Halliday, and S.G. Nielsen (2015) Persistence of deeply sourced iron in the Pacific Ocean, Proc. Natl. Acad. Sci., 112(5), 1292-1297, doi:10.1073/pnas.1420188112.

Georgiev, S.V., T.J. Horner, H.J. Stein, J.L. Hannah, B. Bingen, and M. Rehkämper (2015) Cadmium-isotopic evidence for increasing primary productivity during the Late Permian anoxic event, Earth Planet. Sci. Lett., 410, 84-96, doi:10.1016/j.epsl.2014.11.010.

Hermoso, M. T.J. Horner, F. Minoletti, and R.E.M. Rickaby (2014) Constraints on the vital effect in coccolithophore and dinoflagellate calcite by oxygen isotopic modification of seawater, Geochim. Cosmochim. Acta, 141, 612-627, doi:10.1016/j.gca.2014.05.002.

Xue, Z., M. Rehkämper, T.J. Horner, W. Abouchami, R. Middag, T. van de Flierdt, and H.J.W. de Baar (2013) Cadmium isotope variations in the Southern OceanEarth Planet. Sci. Lett., 382, 161-172, doi:10.1016/j.epsl.2013.09.014.

Horner, T.J., R.B.Y. Lee, R.E.M. Rickaby, and G.M. Henderson (2013) Nonspecific uptake and homeostasis drive the oceanic cadmium cycle, Proc. Natl. Acad. Sci., 110 (7), 2500-2505, doi:10.1073/pnas.1213857110. See also: Comment by F.M.M Morel and Reply by T.J. Horner et al.

Abouchami, W., S.J.G. Galer, T.J. Horner, M. Rehkämper, Z. Xue, M. Lambelet, F. Wombacher, M. Schönbächler, M. Gault-Ringold, C. Stirling, A. Shiel, D. Weiss, and P.F. Holdship (2013) A common reference material for cadmium isotope studies – NIST SRM 3108 Cd, Geostand. Geoanal. Res.37 (1), 5-17, doi:10.1111/j.1751-908X.2012.00175.x.

Horner, T.J., R.E.M. Rickaby, and G.M. Henderson (2011) Isotopic fractionation of cadmium into calcite, Earth Planet. Sci. Lett., 312 (1-2), 243-253, doi:10.1016/j.epsl.2011.10.004.

Rehkämper, M., F. Wombacher, T.J. Horner, and Z. Xue (2011) Natural and anthropogenic Cd isotope variations, in Handbook of Environmental Isotope Geochemistry, Adv. Isot. Geochem., vol. 1, edited by M. Baskaran, Springer-Verlag, doi:10.1007/978-3-642-10637-8_8.

Horner, T. J., M. Schönbächler, M. Rehkämper, S. G. Nielsen, H. Williams, A. N. Halliday, Z. Xue, and J. R. Hein (2010), Ferromanganese crusts as archives of deep water Cd isotope compositions, Geochem. Geophys. Geosyst., 11, Q04001, doi:10.1029/2009GC002987.

Invited contributions

Horner, T.J., S.N. Burgess, Y.-T. Hsieh, P.J. Lam, and S.G. Nielsen (2014) The barium-isotopic composition of the pelagic barite flux, Goldschmidt 2014, Sacramento CA.

Horner, T.J. (2014) Marine Biogeochemical Cycling of the Micronutrient Metals: Mechanisms and Applications, Bigelow Laboratory for Ocean Sciences, ME.

Horner, T.J. (2014) Marine Biogeochemical Cycling of the Micronutrient Metals: Mechanisms and Applications to Ocean Sciences, University of California, Santa Cruz.

Horner, T.J., G.M. Henderson, R.E.M. Rickaby, and J.F. Adkins (2013) Cadmium isotopic evidence of Rayleigh fractionation during deep-sea coral biomineralization, Woods Hole Oceanographic Institution.

Horner, T.J. (2013) Molecular and isotopic insights into oceanic cadmium cycling, ETH Zürich.

Horner, T.J. (2013) Cadmium isotope fractionation in seawater: A new (palaeo-) proxy for an old problem, Woods Hole Oceanographic Institution.

Horner, T.J. (2012) Cadmium isotope fractionation in seawater: Driving mechanisms and palaeoceanographic applications, DISCO XXIII, Līhuʻe, Hawai'i.

Horner, T.J. (2012) Application of Cd isotopes to Chemical Oceanography: An experimental and proxy approach, National Oceanography Centre Southampton (UK).

Horner, T.J., R.B.Y. Lee, G.M. Henderson and R.E.M. Rickaby (2012) A novel methodology to investigate isotopic biosignatures, EGU General Assembly 2012, Vienna.

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