Research interests:

Marine biogeochemistry, Marine nitrogen cycle, Nitrogen and carbon stable isotopes, Molecular microbial ecology, Dissolved gases (N2, O2, Ar) as tracers of oceanic physical and biological processes, Trace gas production (N2O) in marine environments, Chemosynthetic deep-sea ecosystems, Oxygen minimum zones.

Peer-reviewed Publications

22. Reed, A., C. McNeil, E. D’Asaro, M. Altabet, and A. Bourbonnais. A new method for measuring biogenic-N2 in oxygen deficient zones from gas tension, Submitted to Limnology & Oceanography: Methods, May 2018, Manuscript #: LOM-18-05-0052.

21. Dale, A., A. Bourbonnais, M. A. Altabet, K. Wallmann, and S. Sommer (2018), Isotopic fingerprints of benthic nitrogen cycling in the Peruvian oxygen minimum zone, Geochemica et Cosmochimica Acta, submitted April 2018, manuscript #: GCA-D-18-00357.

20. Fassbender, A., A. Bourbonnais, S. Clayton, P. Gaube, M. Omand, P. Franks, M. A. Altabet, and D. McGillicuddy, A mosaic of mechanisms: Interpreting physical-biogeochemical interactions at oceanic sub(mesoscales), submitted to EOS, July 2018 (reference #:2018ES005647R).

19. Reed, A., C. McNeil, E. D’Asaro, M. Altabet, A. Bourbonnais, and B. Johnson (2018), A gas tension device for the mesopelagic zone, Deep-Sea Research I, https://doi.org/10.1016/j.dsr.2018.07.007.

18. Ganesh, S., A. B. Bertagnolli, L. A. Bristow, C. C. Padilla, N. Blackwood, M. Aldunate, A. Bourbonnais, M. A. Altabet, R. R. Malmstrom, T. Woyke, O. Ulloa, K. T. Konstantinidis, B. Thamdrup, and F. J. Stewart (2018), Genomic evidence for the use of alternative nitrogen substrates by anammox bacteria, The ISME Journal, https://doi.org/10.1038/s41396-018-0223-9.

17. McNeil, C., E. D’Asaro, A. Reed, M. A. Altabet, A. Bourbonnais, and C. Beaverson (2018), Innovative Nitrogen Sensor Maps the North Pacific Oxygen Minimum Zone, Oceanography Supplement, 31, p. 96.

16. Wankel, S. D., A. Bourbonnais, and C. N. Charoenpong (2017), Microbial nitrogen cycling processes at submarine hydrothermal vents, In Kallmeyer, Jens and Wagner, Dirk (Ed.), Life in Extreme Environments, Life at Vents and Seeps, Volume 5, Berlin, Boston: De Gruyter, pp. 179-221.

15. Bourbonnais, A., R. T. Letscher, H. W. Bange, V. Échevin, J. Larkum, J. Mohn, N. Yoshida, and M. A. Altabet (2017), N2O production and consumption from stable isotopic and concentration data in the Peruvian coastal upwelling system, Global Biogeochemical Cycles, 31, doi:10.1002/2016GB005567.

14. Löscher, C. R., A. Bourbonnais, J. Dekaezemacker, C. N. Charoenpong, M. A. Altabet, H. W. Bange, R. Czeschel, C. Hoffmann, and R. A. Schmitz (2016), N2 fixation in eddies of the eastern tropical South Pacific Ocean, Biogeosciences, 13, 2889-2899.

13. Dale, A, S. Sommer, U. Lomnitz, A. Bourbonnais, K. Wallmann (2016), Biological nitrate transport in sediments on the Peruvian margin mitigates benthic sulfide emissions and drives pelagic N loss during stagnation events, Deep-Sea Research Part I, 112, 123-136.

12. Hu, H.*, A. Bourbonnais*, J. Larkum, H. W. Bange, and M. A. Altabet (2016), Nitrogen cycling in shallow low oxygen coastal waters off Peru from nitrite and nitrate nitrogen and oxygen isotopes, Biogeosciences, 13, 1453-1468.
*These authors contributed equally to this work.

11. Padilla, C. C., L. A. Bristow, N. Sarode, E. Garcia-Robledo, E. Gómez Ramírez, C. R. Benson, A. Bourbonnais, M. A. Altabet, P. R. Girguis, B. Thamdrup, F. J. Stewart (2016), NC10 bacteria in marine oxygen minimum zones, The ISME Journal, 10, 2067-2071.

10. Bourbonnais, A., M. A. Altabet, C. N. Charoenpong, J. Larkum, H. Hu, H. W. Bange, and L. Stramma (2015), N-loss isotope effects in the Peru oxygen minimum zone studied using a mesoscale eddy as a natural tracer experiment, Global Biogeochemical Cycles, 29, 793-811.

9. Bourbonnais, A., S. K. Juniper, D. A. Butterfield, R. E. Anderson, M. F. Lehmann (2014), Diversity and abundance of Bacteria and nirS-encoding denitrifiers associated with the Juan de Fuca Ridge hydrothermal system, Annals of Microbiology, 64, 1691–1705.

8. Bourbonnais, A., M. F. Lehmann, R. C. Hamme, C. C. Manning, S. K. Juniper (2013), Nitrate elimination and regeneration as evidenced by dissolved inorganic nitrogen isotopes in Saanich Inlet, a seasonally anoxic fjord, Marine Chemistry, 157, 194–207.

7. Wenk, C. B., J. Blees, J. Zopfi, M. Veronesi, A. Bourbonnais, C. J. Schubert, H. Niemann, M. F. Lehmann (2013), Anammox bacteria and sulfide-dependent denitrifiers co-exist in the water column of a meromictic south-alpine lake, Limnology and Oceanography, 58, 1–12.

6. Bourbonnais, A., S. K. Juniper, D. A. Butterfield, A. H. Devol, M. M. M. Kuypers, G. Lavik, S. J. Hallam, C. B. Wenk, B. X. Chang, S. A. Murdock, and M. F. Lehmann (2012b), Activity and abundance of denitrifying bacteria in the subsurface biosphere of diffuse hydrothermal vents of the Juan de Fuca Ridge, Biogeosciences, 9, 4661–4678.

5. Bourbonnais, A., M. F. Lehmann, D. A. Butterfield, and S. K. Juniper (2012a), Subseafloor nitrogen transformations in diffuse hydrothermal vent fluids of the Juan de Fuca Ridge evidenced by the isotopic composition of nitrate and ammonium, Geochemistry Geophysics Geosystems, 13, Q02T01, doi:10.1029/2011GC003863.

4. Somes, C, A. Schmittner, E. D. Galbraith, M. F. Lehmann, M. A. Altabet, J. P. Montoya, R. M. Letelier, A. C. Mix, A. Bourbonnais, and M. Eby (2010), Simulating the global distribution of nitrogen isotopes in the Ocean, Global Biogeochemical Cycles, 24, GB4019, doi: 10.1029/2009GB003767.

3. Manning, C. C, R. C. Hamme, and A. Bourbonnais (2010), Impact of deep-water renewal events on fixed nitrogen loss from seasonally-anoxic Saanich Inlet, Marine Chemistry, 122(1-4), 1–10, doi:10.1016/j.marchem.2010.08.002.

2. Bourbonnais, A., M. F. Lehmann, J. J. Waniek and D. E. Schultz-Bull (2009), Nitrate isotope anomalies as indicator of N2 fixation in the Azores Front region (subtropical N-E Atlantic), Journal of Geophysical Research, 114, C03003, doi:1029/2007JC004617.

1. Clark, I. D., R. Timlin, A. Bourbonnais, K. Jones, and K. Wickens (2008), Origin and fate of industrial ammonia in municipal groundwaters – tracing anaerobic oxidation (anammox) and apportionment with 15N-NH4+, Ground Water Monitoring and Remediation, 28, 73–82.