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Sarah.Fawcett@Uct.Ac.Za Website: Sarahefawcett.Wordpress.Com; Aceprojectxii.Wordpress.Com SARAH E. FAWCETT Department of Oceanography, University of Cape Town 134 R.W. James Building Tel: 021-650-5369 Email: [email protected] Website: sarahefawcett.wordpress.com; aceprojectxii.wordpress.com RESEARCH APPOINTMENTS Lecturer, Department of Oceanography, University of Cape Town, August 2015–present Postdoctoral Research Associate, Department of Geosciences, Princeton University (host: Professor Daniel Sigman and Professor Bess Ward), July 2012–July 2015 Research Technician, Geochemical Oceanography Lab, Harvard University, July 2006–July 2007 RESEARCH INTERESTS Chemical oceanography, marine biogeochemistry, isotope (bio)geochemistry, nitrogen and carbon cycling, Southern Ocean, Benguela upwelling system, subtropical gyres, ocean productivity, phytoplankton diversity, flow cytometry, palaeoceanography, climate EDUCATION Princeton University, Princeton, NJ USA Ph.D. Geosciences, June 2012 (in conjunction with the Princeton Geosciences/Bermuda Institute of Ocean Sciences (BIOS) Joint Graduate Program in Oceanography) Dissertation: Nitrate assimilation by eukaryotic phytoplankton as a central characteristic of ocean productivity Advisors: Bess Ward and Daniel Sigman (Princeton University), Michael Lomas (BIOS) M.A. Geosciences, September 2009 Project: Phytoplankton succession and nitrogen utilization during the development of an upwelling bloom Advisor: Bess Ward Harvard University, Cambridge, MA USA B.A. (Hons.) cum laude, Earth and Planetary Sciences, June 2006 Honours thesis: Reassessment of the timing of the Holocene initiation of the Great Barrier Reef, and an investigation of climatic conditions during its growth Advisors: Daniel Schrag (Harvard University), Jody Webster (JCU, Australia) Minor, Spanish language and literature, studied at Universidad de Sevilla, Spain, January–July 2005 PUBLICATIONS (*student first author) 1) Smart, S.M., Ren, H., Fawcett, S.E., Schiebel, R., Conte, M., Rafter, P.A., Ellis, K.K., Weigand, M.A., Sigman, D.M., Haug, G.H. Ground-truthing the planktic foraminifer-bound nitrogen isotope paleo-proxy in the Sargasso Sea. In review, Geochimica et Cosmochimica Acta. 2) Flynn, R.F., Burger, J.M., Pillay, K., Fawcett, S.E. Wintertime rates of total, new and regenerated production in the southern Benguela upwelling system. In review, African Journal of Marine Science. 3) Peng, X., Fawcett, S.E., van Oostende, N., Wolf, M., Marconi, D., Sigman, D.M., Ward, B.B. Nitrogen assimilation and nitrification in the subarctic North Atlantic Ocean. In review, Limnology and Oceanography. 4) Fawcett, S.E., Johnson, K.S., Riser, S.C., Van Oostende, N., Sigman, D.M. Remineralization of low-nutrient organic matter in the Sargasso Sea thermocline and implications for the upper ocean carbon budget. In review, Global Biogeochemical Cycles. 5) Marconi, D., Sigman, D.M., Casciotti, K.L., Campbell, E.C., Weigand, M.A., Fawcett, S.E., Knapp, A.N., Ward, B.B., Haug, G.H. Tropical dominance of N2 fixation in the North Atlantic Ocean. Global Biogeochemical Cycles 31: 1608-1623 (2017). 1 6) Fassbender, A.J., Palevsky, H.I., Martz, T.R., Ingalls, A.E., Gledhill, M., Fawcett, S.E., Brandes, J., Aluwihare, L. Perspectives on Chemical Oceanography in a changing environment: Participants of the COME ABOARD Meeting examine the field in the context of 40 years of DISCO. Marine Chemistry 196; 181-190 (2017). 7) Ansorge, I.J., Skelton, P., Bekker, A., Butterworth, D., Cilliers, P., Cooper, J., Cowan, D., Dorrington, R., Fawcett, S.E., et al. Exploring South Africa’s southern frontier: A 20-year vision for Polar Research through the South African National Antarctic Programme. South African Journal of Science 113(5/6), Art. #a0205, doi.org/10.17159/sajs.2017/ a0205 (2017) 8) Van Oostende, N., Fawcett, S.E., Marconi, D., Lueders-Dumont, J., Sabadel, A.J.M., Woodward, E.M.S., Jönsson, B., Sigman, D.M., Ward, B.B. Variation of summer phytoplankton community composition and its relationship to nitrate and recycled nitrogen assimilation across the North Atlantic Ocean. Deep-Sea Research I 121: 79-94 (2017). 9) Halo, I., Dorrington, R., Bornman, T., De Villiers, S., Fawcett S. South Africa in the Antarctic Circumnavigation Expedition: A multi-institutional and interdisciplinary scientific project. South African Journal of Science 112 (9/10) doi. org/10.17159/sajs.2016/a0173 (2016) 10) Ansorge, I.J., Brundrit, G., Brundrit, J., Dorrington, R., Fawcett, S., Gammon, D, et al. SEAmester – South Africa’s first class afloat. South African Journal of Science 112 (9/10) doi.org/10.17159/sajs.2016/a0171 (2016) 11) *Kemeny, P.K., Weigand, M.A., Zhang, R., Carter, B.R., Karsh, K.L., Fawcett, S.E., Sigman, D.M. Enzyme-level interconversion of nitrate and nitrite in the fall mixed layer of the Antarctic Ocean. Global Biogeochem. Cycles 30: 1069-1085 (2016) Research spotlight in Eos (doi:10.1029/2016EO05630) 12) Knapp, A.N., Fawcett, S.E., Martínez-Garcia, A., Leblond, N., Moutin, T., Bonnet, S. Nitrogen isotopic evidence for a shift from nitrate- to diazotroph-fueled export production in VAHINE mesocosm experiments. Biogeosciences 13: 4645-4657 (2016) 13) Bonnet, S., Berthelot, H., Turk K., Cornet-Barthaux, V., Fawcett, S., Berman-Frank, I., Barani, A., Dekeazemacker, J., Benavides, M., Charrière, B., Capone, D. Diazotroph derived nitrogen supports diatom growth in the South West Pacific: A quantitative study using nano- SIMS. Limnology and Oceanography 61: 1549-1562 (2016) 14) Altieri, K.E., Fawcett, S.E., Peters, A.J., Sigman, D.M., Hastings, M.G. Marine biogenic source of atmospheric organic nitrogen in the subtropical North Atlantic. Proceedings of the National Academy of Sciences of the USA 113: 925-930 (2016) 15) Bonnet, S., Berthelot, H., Turk-Kubo, K., Fawcett, S.E., Rahav, E., l’Helguen, S., Berman-Frank, I. Dynamics of N2 fixation and fate of diazotroph-derived nitrogen in a low nutrient low chlorophyll ecosystem: results from the VAHINE mesocosm experiment (New Caledonia). Biogeosciences 13: 2653-2673 (2016) 16) Fawcett, S.E., Ward, B.B., Lomas, M.W., Sigman, D.M. Vertical decoupling of nitrate assimilation and nitrification in the Sargasso Sea. Deep-Sea Research I 103: 64-72 (2015) 17) *Smart, S.M., Fawcett, S.E., Thomalla, S.J., Weigand, M.A., Reason, C.J.C., Sigman, D.M. Isotopic evidence for nitrification in the Antarctic winter mixed layer. Global Biogeochemical Cycles 29: 427-445 (2015) 18) Van Oostende, N., Dunne, J.P., Fawcett, S.E., Ward, B.B. Phytoplankton succession and acclimation explains nitrate uptake following an upwelling event. Journal of Marine Systems 148: 14-25 (2015) 19) *Treibergs, L.A., Fawcett, S.E., Lomas, M.W., Sigman, D.M. Nitrogen isotopic response of prokaryotic and eukaryotic phytoplankton to nitrate availability in Sargasso Sea surface waters. Limnology and Oceanography 59: 972-985 (2014) 20) Fawcett, S.E., Lomas, M.W., Ward, B.B., Sigman, D.M. The counterintuitive effect of summer- to-fall mixed layer deepening on eukaryotic new production in the Sargasso Sea. Global Biogeochemical Cycles 28: 86-102 (2014) 2 21) Fripiat, F., Sigman, D.M., Fawcett, S.E., Rafter, P., Weigand, M., Tison, J.-L. New insights on sea ice nitrogen biogeochemical dynamics and paleoceanography implications from nitrogen isotopes. Global Biogeochemical Cycles 28: 115-130 (2014) 22) Newell, S.E., Fawcett, S.E., Ward, B.B. Depth distribution of ammonia oxidation rates and ammonia-oxidizer community composition in the Sargasso Sea. Limnology and Oceanography 58: 1491-1500 (2013) 23) Fawcett, S.E., Lomas, M.W., Casey, J.R., Ward, B.B., Sigman, D.M. Assimilation of upwelled nitrate by small eukaryotes in the Sargasso Sea. Nature Geoscience 4: 717-722 (2011) 24) Fawcett, S.E., Ward, B.B. Phytoplankton succession and nitrogen utilization during the development of an upwelling bloom. Marine Ecology Progress Series 428: 13-31 (2011) HONOURS AND AWARDS National Research Foundation P-rating (President’s rating) 2017 SANCOR (South African Network for Coastal and Oceanic Research) Young Researcher Award 2017 Mail and Guardian Top 200 Young South Africans of 2017 (Science and Technology) Claude Leon Merit Award for Early-Career Researchers, University of Cape Town, April 2017. Invited participant, US NSF Chemical Oceanography Meeting: A bottom-up approach to research directions (COME-ABOARD), Honolulu, HI, October 2016. Invited participant, Dissertations initiative for the advancement of Climate Change Research Princeton Environmental Institute Grand Challenges Grant ($5,000): 2008, 2009, 2010, 2014, 2015. Co-PI, “An Early-Career Scientist Initiative: Women in Geosciences Mentorship, Lecture, and Workshop Series”, 2013-2015 ($6,000/year). Invited participant, Dissertations in Chemical Oceanography Symposium (DISCO XXIII), Kaua’i, HI, October 2012. Invited Participant, Surface Ocean Lower Atmosphere (SOLAS) International Summer School, Corsica, September 2011 (*Best student talk award). Invited participant, US NSF Ocean Biogeochemistry (OCB) time-series scoping workshop, Sea Change: Charting the course for ecological and biogeochemical ocean time-series research, Honolulu, HI, September 2010. Charrock Foundation Grant for Graduate Research, 2008-2010 ($90,000). William G. Bowen Merit Fellowship for Graduate Studies, 2008-2010. Princeton Energy and Climate Scholar, Princeton Environmental Institute, 2008-2010. Princeton University First Year Fellowship in Science and Engineering, 2007-2008. Thomas Temple Hoopes Prize for “outstanding scholarly research and writing” for undergraduate senior thesis, Harvard University, 2006. Finalist, Captain
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