Home Curriculum Vitae Publications
Research projects Download Teaching

Publications:

Hamme, Roberta C., Johanna E. Berry, Jody M. Klymak, and Kenneth L. Denman (2015) In situ O2 and N2 measurements detect deep-water renewal dynamics in seasonally-anoxic Saanich Inlet, Continental Shelf Research, doi:10.1016/j.csr.2015.06.012.

Mélançon, Josiane, Maurice Levasseur, Martine Lizotte, Pierre Delmelle, Jay Cullen, Roberta C. Hamme, Angelica Peña, Kyle G. Simpson, Michael Scarratt, Jean-Éric Tremblay, Jie Zhou, Keith Johnson, Nes Sutherland, Michael Arychuk, Nina Nemcek, and Marie Robert (2014) Early response of the northeast subarctic Pacific plankton assemblage to volcanic ash fertilization, Limnology and Oceanography, 59(1), p. 55-67, doi:10.4319/lo.2014.59.1.0055.

Bourbonnais, Annie, Moritz F. Lehmann, Roberta C. Hamme, Cara C. Manning, and S. Kim Juniper (2013) Nitrate elimination and regeneration as evidenced by dissolved inorganic nitrogen isotopes in Saanich Inlet, a seasonally anoxic fjord, Marine Chemistry, 157, p. 194-207, doi:10.1016/j.marchem.2013.09.006.

Hamme, Roberta C., and Steven R. Emerson (2013) Deep-sea nutrient loss inferred from the marine dissolved N2/Ar ratio, Geophysical Research Letters, 40, 1149-1153, doi:10.1002/grl.50275.

Emerson, Steven, Taka Ito, and Roberta C. Hamme (2012) Argon supersaturation indicates low decadal-scale vertical mixing in the ocean thermocline, Geophysical Research Letters, 39, L18610, doi:10.1029/2012GL053054.

Giesbrecht, Karina E., Roberta C. Hamme, and Steven R. Emerson (2012) Biological productivity along Line P in the subarctic northeast Pacific: in-situ versus incubation-based methods, Global Biogeochemical Cycles, 26, GB3028, doi:10.1029/2012GB004349.

Hamme, Roberta C., Nicolas Cassar, Veronica P. Lance, Robert D. Vaillancourt, Michael L. Bender, Peter G. Strutton, Tommy S. Moore, Michael D. DeGrandpre, Christopher L. Sabine, David T. Ho, and Bruce R. Hargreaves (2012) Dissolved O2/Ar and other methods reveal rapid changes in productivity during a Lagrangian experiment in the Southern Ocean, Journal of Geophysical Research - Oceans, 117, C00F12, doi:10.1029/2011JC007046.

Moore, Tommy S., Michael D. DeGrandpre, Christopher L. Sabine, Chris J. Zappa, Wade R. McGillis, Roberta C. Hamme, Richard A. Feely, and William M. Drennan (2011) Sea surface pCO2 and O2 in the Southern Ocean during the austral fall, 2008, Journal of Geophysical Research - Oceans, 116, C00F11, doi:10.1029/2010JC006560.

Ho, David T., Christopher L. Sabine, David Hebert, David S. Ullman, Rik Wanninkhof, Roberta C. Hamme, Peter G. Strutton, Burke Hales, James B. Edson, and Bruce R. Hargreaves (2011) Southern Ocean Gas Exchange Experiment: Setting the stage, Journal of Geophysical Research - Oceans, 116, C00F08, doi:10.1029/2010JC006852.

Ito, Taka, Roberta C. Hamme, and Steve Emerson (2011) Temporal and spatial variability of noble gas tracers in the North Pacific, Journal of Geophysical Research - Oceans, 116, C08039, doi:10.1029/2010JC006828.

Nicholson, David P., Steven R. Emerson, Samar Khatiwala, and Roberta C. Hamme (2011) An inverse approach to estimate bubble-mediated air-sea gas flux from inert gas measurements, Proceedings of the 6th International Symposium on Gas Transfer at Water Surfaces, Kyoto University Press, 223-237.

Nicholson, David, Steven Emerson, Nicolas Caillon, Jean Jouzel, and Roberta C. Hamme (2010) Constraining ventilation during deepwater formation using deep ocean measurements of the dissolved gas ratios 40Ar/36Ar, N2/Ar and Kr/Ar, Journal of Geophysical Research - Oceans, 115(C11), C11015, doi:10.1029/2010JC006152.

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

Hamme, Roberta C., Peter W. Webley, William R. Crawford, Frank A. Whitney, Michael D. DeGrandpre, Steven R. Emerson, Charles C. Eriksen, Karina E. Giesbrecht, Jim F. R. Gower, Maria T. Kavanaugh, M. Angelica Peña, Christopher L. Sabine, Sonia D. Batten, Laurence A. Coogan, Damian S. Grundle, Deirdre Lockwood (2010) Volcanic ash fuels anomalous plankton bloom in subarctic northeast Pacific, Geophysical Research Letters, 37, L19604, doi:10.1029/2010GL044629. Summary for the general public

Juranek, Lauren W., Roberta C. Hamme, Jan Kaiser, Rik Wanninkhof, and Paul D. Quay (2010) Evidence of O2 consumption in underway seawater lines: Implications for air-sea O2 and CO2 fluxes, Geophysical Research Letters, 37, L01601, doi:10.1029/2009GL040423.

Cassar, Nicolas, Bruce A. Barnett, Michael L. Bender, Jan Kaiser, Roberta C. Hamme, and Bronte Tilbrook (2009) Continuous high-frequency dissolved O2/Ar measurements by Equilibrator Inlet Mass Spectrometry, Analytical Chemistry, 81(5), p. 1855-1864, doi:10.1021/ac802300u.

Hamme, Roberta C., and Ralph F. Keeling (2008) Ocean ventilation as a driver of interannual variability in atmospheric potential oxygen, Tellus B, 60(5), p. 706-717, doi:10.1111/j.1600-0889.2008.00376.x.

Hamme, Roberta C., and Jeffrey P. Severinghaus (2007) Trace gas disequilibria during deep-water formation, Deep Sea Research I, 54(6), p. 939-950.

Ito, Taka, Curtis Deutsch, Steven Emerson and Roberta C. Hamme (2007) The impact of diapycnal mixing on the saturation state of argon in the subtropical North Pacific, Geophysical Research Letters, 34(9), L09602, doi:10.1029/2006GL029209.

Hamme, Roberta C., and Steven R. Emerson (2006) Constraining bubble dynamics and mixing with dissolved gases: Implications for productivity measurements by oxygen mass balance, Journal of Marine Research, 64(1), p. 73-95, doi:10.1357/002224006776412322.

Hamme, Roberta C., and Steven R. Emerson (2004) The solubility of neon, nitrogen and argon in distilled water and seawater, Deep-Sea Research I, 51(11), p. 1517-1528, doi:10.1016/j.dsr.2004.06.009.

Hamme, Roberta C., and Steven R. Emerson (2004) Measurement of dissolved neon by isotope dilution using a quadrupole mass spectrometer, Marine Chemistry, 91(1-4), p. 53-64, doi:10.1016/j.marchem.2004.05.001.

Hamme, Roberta C. (2003) Applications of neon, nitrogen, argon and oxygen to physical, chemical and biological cycles in the ocean, Ph.D. thesis, University of Washington.

Hamme, Roberta C., and Steven R. Emerson (2002) Mechanisms controlling the global oceanic distribution of the inert gases argon, nitrogen and neon, Geophysical Research Letters, 29(23), 2120, doi:10.1029/2002GL015273.