Dr Nadja S. Steiner

Research Scientist

Arctic Climate Impact Studies, Biogeochemical modelling of marine cycles, Climate Change impacts on Marine ecosystems, ocean acidification, focus area: Arctic.

Fisheries and Oceans Canada

Current research and/or projects

Development of biogeochemical models for ocean and sea-ice in order to study: climate change impacts on marine ecosystems including ocean acidification and changes in nutrient distributions, primary production, stratification, light availability; Biogeochemical exchange processes at sea-ice interfaces; ocean-atmospher gas exchanges.

Research and/or project statements

Climate change impacts on marine ecosystems

Biogeochemical Modelling

Arctic ocean acidification

Biogeochemical exchange processes at sea ice interfaces

Marine aerosol production (e.g. Dimethylsulfide - DMS)

Professional activities / interests

Aquatic Climate Change Adaptation Services Program (ACCASP) - Lead Arctic Trends and Projections

Co-Chair SCOR working group/Joint CLIC-SOLAS effort  on  Biogeochemical exchange processes at sea ice interfaces (BEPSII)

Contribution to Arctic Monitoring and Assessemnt Program (AMAP) reporting

Adjunct Professor University of Victoria, School of Earth and Ocean Sciences



Education and awards

PhD, Science, Oceanography and Atmospheric Sciences, University of Kiel, 1999

Key publications

  1. Fripiat, K.M. Meiners, M. Vancoppenolle, S.F. Ackley, K.R. Arrigo, G. Carnat, S. Cozzi, B. Delille, G.S. Dieckmann, R.B. Dunbar, H. Eicken, A. Fransson, G. Kattner, H. Kennedy, D. Lannuzel, D.R. Munro, S. Papadimitriou, J.-M. Rintala, V. Schoemann, J. Stefels,N. Steiner, D.N. Thomas, and J.-L. Tison,Macro-nutrient concentrations in Antarctic Southern Ocean pack ice: Overall patterns and overlooked processes, submitted to Elementa.


Cisneros-Montemayor, William Cheung, K. Bodtker , L. Teh, N. Steiner, M. Bailey, C. Hoover and U.R. Sumaila, 2015, Towards an integrated database of Canadian ocean resources: benefits, current states, and research gaps, Scientific Data, in press.


Steiner, N., T. Sou, C. Deal, J. M. Jackson, M. Jin, E. Popova, W. Williams, and A. Yool, 2015. The Future of the Subsurface Chlorophyll-a Maximum in the Canada Basin - A Model Intercomparison, JGR Oceans, DOI:10.1002/2015JC011232.


Steiner, N., C. Deal, D. Lannuzel, D. Lavoie, F. Massonnet, L. A. Miller, S. Moreau, E. Popova, J. Stefels, L. Tedesco, 2015, What sea-ice biogeochemical modellers need from observationalists. Elementa, DOI 10.12952/journal.elementa.000084.


Steiner, N., Azetsu-Scott, K., Hamilton, J., Hedges, K., Hu, X., Janjua, M. Y., Lavoie, D., Loder, J., Melling, H., Merzouk, A.., Perrie, W., Peterson, I., Scarratt, M., Sou, T., Tallmann, R.F. 2015, Observed Trends and Climate Projections Affecting Marine Ecosystems in the Canadian Arctic, Environmental Reviews, 23(2): 191-239, doi: 10.1139/er-2014-0066.


Abraham, C, N. Steiner, A, Monahan, C, Michel, 2015, Effects of subgrid-scale snow thickness variability on radiative transfer in sea ice. JGR Oceans, 120(8): 5597-5614, DOI: 10.1002/2015JC010741.


Steiner, N., J. Christian, K. Six, A. Yamamoto, M. Yamamoto-Kawai, 2014, Future ocean acidification in the Canada Basin and surrounding Arctic Ocean from CMIP5 earth system models, JGR Oceans, 119, 1, 332–347,DOI:10.1002/2013JC009069.


Clara Deal, Nadja Steiner, Jim Christian, Jaclyn Clement Kinney, Ken Denman, Scott Elliott, Georgina Gibson, Meibing Jin, Diane Lavoie, Sang Lee, Warren Lee, Wieslaw Maslowski, Jia Wang, and Eiji Watanabe 2014, Progress and Challenges in Biogeochemical Modelling of the Pacific Arctic Region. In: The Pacific Arctic Region: Ecosystem Status and Trends in a Rapidly Changing Environment, J. Grebmeier and W. Maslowski, Springer Publishing, XV, 450 p.


Steiner, N., Galbraith, P., Hamilton, J., Hedges, K., Hu, X., Janjua, M. Y., Lambert, N., Larouche, P., Lavoie, D., Loder, J., Melling, H., Merzouk, A., Myers, P., Perrie, W.,Peterson, I., Pettipas, R., Scarratt, M., Sou, T., Tallmann, R.F. and van de Baaren, T. 2013. Climate Change Trends and Projections Assessment in the Arctic Basin - A Contribution to the Aquatic Climate Change Adaptation Services Program. Can. Tech. Rep. Fish. Aquat. Sci. 3042: xx + 151 pp.


Steiner, N. S., Lee, W. G., Christian, J. R., 2013. Enhanced gas fluxes in small sea ice leads and cracks - effects on CO2 exchange and ocean acidification. JGR Oceans, 118,3, 1195–1205. DOI:10.1002/jgrc.20100


Vancoppenolle, M., L. Bopp, G. Madec, J. Dunne, T. Ilyina, P.R. Halloran, N. Steiner, 2013. Future Arctic Ocean Primary Productivity from CMIP5 Simulations: Uncertain Outcome, but Consistent Mechanisms. Global Biogeochemical Cycles, 27, DOI:10.1002/gbc.20055.


Debby Ianson, Christoph Voelker, Ken L. Denman, Eric Kunze, Nadja Steiner, 2012, The effect of vertical and horizontal dilution on fertilized patch experiments, Global Biogeochemical Cycles, Vol. 26, GB3002, 14 PP., 2012 doi:10.1029/2010GB004008.


Kenneth Denman, James Christian, Nadja Steiner, Hans-Otto Pörtner, and Yukihiro Nojiri, 2011, Potential impacts of future ocean acidification on marine ecosystems and fisheries, ICES Journal of Marine Sciences, doi:10.1093/icesjms/fsr074.


Nadja Steiner, Marie Robert, Michael Arychuk, Maurice Levasseur, Anissa Merzouk, Angelica Peña, Wendy Richardson, Philippe Tortell 2011, Evaluating DMS measurements and model results in the Northeast subarctic Pacific from 1996-2010 , Biogeochemistry, Vol 110, 1-3, pp. 269-285, doi:10.1007/s10533-011-9669-9.


P.B. Shepson, P. A. Ariya, C. J. Deal, D. J. Donaldson, T. A. Douglas, B. Loose, T. Maksym, P. A. Matrai, L. M. Russell, B. Saenz, J. Stefels, and N. Steiner 2012. Changing Polar Environments: Interdisciplinary Challenges, EOS, 93, 11.


Svein Vagle, Craig McNeil and Nadja Steiner, 2010: Upper ocean bubble measurements from the NE Pacific and estimates of their role in air-sea gas transfer of nitrogen, Journal of Geophysical Research, Vol 115, C12054, doi:10.1029/2009JC005990.


Nadja Steiner and Ken Denman, 2008: Parameter Sensitivities in a 1-D Model for DMS and Sulphur Cycling in the Upper Ocean, Deep Sea Research I, 55, 7, 847-865.


Nadja Steiner, Svein Vagle, Ken Denman and Craig McNeil, 2007: Oxygen and Nitrogen Cycling in the North-East Pacific - Simulations and Observations at Station Papa in 2003/2004, Journal of Marine Research, 65, 3, 441-469.


Nadja Steiner, Ken Denman, Norm McFarlane and Larry Solheim, 2006: Simulating the Atmosphere-Ocean Physical Conditions and Effects on the Planktonic Ecosystem Response During SERIES, Deep Sea Research II, 53, 2434-2454.


  1. Steiner,G. Holloway, R. Gerdes, S.Häkkinen, D. Holland M. Karcher, F. Kauker, W. Maslowski, A. Proshutinsky, M. Steele, J.Zhang, 2004: Comparing Modeled Streamfunction, Heat and Freshwater Content in the Arctic Ocean, Ocean Modelling, 6, 265-284.


Nadja Steiner, Tessa Sou and Greg Holloway, 2003: Estimation of Arctic windspeeds and stresses with impacts on ocean-ice-snow modelling, Journal of Marine Systems, 39,129-151.


  1. Proshutinsky, M. Steele, J. Zhang, G. Holloway,N. Steiner, S. Häkkinen, D. Holland, R. Gerdes, C. Coeberle, M. Karcher, M. Johnson, W. Maslowski, W. Walczowski, W. Hibler, and J. Wang , 2001: Multinational Effort Studies Differences Among Arctic Ocean Models, EOS, 82(51), 637,643-644.


  1. Steele, W. Ermold, S. Häkkinen, D. Holland, G. Holloway, M. Karcher, F. Kauker, W. Maslowski,N. Steiner, and J. Zhang, 2001: Adrift in the Beaufort Gyre: A Model Intercomparison, Geophysical Research Letters, 28(15), 2835-2838.


Nadja Steiner, 2001: Introduction of Variable Drag Coefficients in Large-Scale Sea-Ice Models, Annals of Glaciology, 33, 181-186.


Nadja Steiner, Markus Harder and Peter Lemke, 1999: Sea Ice Roughness and Drag Coefficients in a Dynamic-Thermodynamic Sea Ice Model for the Arctic, Tellus, 51A(5), 964-978.