Doug Wallace

CERC Chairholder

email: douglas.wallace@dal.ca
phone: +1 902-494-4132
campus location: SOSB Rm. 2-35
Faculty Page: Professor Doug Wallace
Twitter: @cercocean

Educational Background

  • PhD Oceanography, Dalhousie University
  • BSc Environmental Science, University of East Anglia

Research Interests

  • Ocean carbon cycle
  • Ocean-atmosphere exchange
  • Ocean time-series observations

Professional Experience

Scientific Director, Marine Environmental Observation, Prediction and Response Network (MEOPAR)
Science Director, Halifax Marine Research Institute (HMRI)
Canada Excellence Research Chair (CERC) in Ocean Science and Technology, Dalhousie University (2011-current)
Chair, International SOLAS Programme (2008-2012)
Speaker, DFG Collaborative Research Programme, Climate-Biogeochemistry Interactions in the Tropical Oceans (2008-2011)
Coordinator, Surface Ocean Processes in the Anthropocene (SOPRAN) (2007-2009)
Nobel Peace Prize (very, very small part thereof via IPCC co-authorship) (2007)
Division Head, Marine Biogeochemistry Research Division, Leibniz-Institut für Meereswissenschaften (IFM-GEOMAR), Kiel (2004-2008)
1st Deputy-Director, IFM-GEOMAR, Kiel (2004-2006)
Division Head, Marine Biogeochemistry Research Division, Institut für Meereskunde, Kiel (2000-2004)
Head, Dept. of Marine Chemistry, Institut für Meereskunde, University of Kiel (1998-)
C4 Professor of Marine Chemistry, University of Kiel (1998-)
Scientist with Tenure, Brookhaven National Laboratory (1995-1998)
Technical Director, U.S. Department of Energy Global CO2 Survey (1993-1998)
Adjunct Associate Professor, State University of New York at Stony Brook (1992-1998)
Scientist, Brookhaven National Laboratory (1992-1995)
Associate Scientist, Brookhaven National Laboratory (1989-1992)
Assistant Scientist, Brookhaven National Laboratory (1987-1989)
NSERC Visiting Postdoctoral Fellowship, Bedford Institute of Oceanography
Editorial Assistant, Aquatic Sciences and Fisheries Abstracts (1978-1980)


Atamanchuk, D., Koelling, J., Send, U. and Wallace, D. W. R.. Rapid transfer of oxygen to the deep ocean mediated by bubbles. Nature Geoscience. (2020). https://doi.org/10.1038/s41561-020-0532-2

Arruda, R., Atamanchuk, D., Cronin, M., Steinhoff, T. and Wallace, D.W.R. (2019), At‐sea intercomparison of three underway pCO2 systems. Limnology and Oceanography: Methods. https://doi.org/10.1002/lom3.10346

Santos, K., Reedman, A., & Wallace, D. (2019). The Canadian Integrated Ocean Observing System: Background, Current Status, and Future Scenarios. The Journal of Ocean Technology, 14(4), 1–14. 

Haas, S., Desai, D. K., LaRoche, J., Pawlowicz, R., & Wallace, D. W. (2019). Geomicrobiology of the carbon, nitrogen and sulphur cycles in Powell Lake: a permanently stratified water column containing ancient seawater. Environmental Microbiology 21(10): 3927-3952. https://doi.org/10.1111/1462-2920.14743

Cheng, L., Normandeau, C., Bowden, R., Doucett, R., Gallagher, B., Gillikin, D.P., Kumamoto, Y., McKay, J.L., Middlestead, P., Ninnemann, U., Nothaft, D., Dubinina, E.O., Quay, P., Reverdin, G., Shirai, K., Mørkved, P.T., Theiling, B.P., van Geldern, R., and Wallace, D.W.R. (2019). An international intercomparison of stable carbon isotope composition measurements of dissolved inorganic carbon in seawater. Limnology and Oceanography: Methodshttps://doi.org/10.1002/lom3.10300

McGrath, T., Cronin, M., Kerrigan, E., Wallace, D., Gregory, C., Normandeau, C., McGovern, E. (2019). A rare intercomparison of nutrient analysis at sea: lessons learned and recommendations to enhance comparability of open-ocean nutrient data. Earth System Science Data. https://doi.org/10.5194/essd-11-355-2019

Raimondi, L., Matthews, J.B.R., Atamanchuk, D., Azetsu-Scott, K., and Wallace, D.W.R. (2019). The internal consistency of the marine carbon dioxide system for high latitude shipboard and in situ monitoring. Marine Chemistry. https://doi.org/10.1016/j.marchem.2019.03.001

Lotze, H. K., Guest, H., O'Leary, J., Tuda, A., & Wallace, D. (2018). Public perceptions of marine threats and protection from around the world. Ocean & Coastal Management152, 14-22. https://doi.org/10.1016/j.ocecoaman.2017.11.004

Shi, Q.Wallace, D. (2018). A 3-year time series of volatile organic iodocarbons in Bedford Basin, Nova Scotia: A northwestern Atlantic fjord. Ocean Science, 14(6), 1385–1403. doi: 10.5194/os-14-1385-2018

Kerrigan, E. A., Kienast, M., Thomas, H., & Wallace, D. W. (2017). Using oxygen isotopes to establish freshwater sources in Bedford Basin, Nova Scotia, a Northwestern Atlantic fjord. Estuarine, Coastal and Shelf Science.

Ibrahim Sadiek, Qiang ShiDouglas Wallace, Gernot Friedrichs. "Quantitative Mid-Infrared Cavity Ringdown Detection of Methyl Iodide for Monitoring Applications." Analytical Chemistry (2017). DOI: 10.1021/acs.analchem.7b01970 

Jannes Koelling, Douglas WR Wallace, Uwe Send, and Johannes Karstensen. Intense oceanic uptake of oxygen during 2014–2015 winter convection in the Labrador Sea. Geophysical Research Letters (2017).

Turk, D., Bedard, J., Burt, W.J., Vagle, S., Thomas, H., Azetsu-Scott, K., McGillis, W.R., Iverson, S.J., Wallace, D.W.R., Inorganic carbon in a high latitude estuary-fjord system in Canada's eastern Arctic, Estuarine, Coastal and Shelf Science (2016), doi: 10.1016/j.ecss.2016.06.006.

Walker, S. A., Azetsu-Scott, K., Normandeau, C., Kelley, D. E., Friedrich, R., Newton, R., Schlosser, P., McKay, J. L., Abdi, W., Kerrigan, E., Craig, S. E. and Wallace, D. W. R. (2015), Oxygen isotope measurements of seawater ( H218O/ H216O): A comparison of cavity ring-down spectroscopy (CRDS) and isotope ratio mass spectrometry (IRMS). Limnology and Oceanography: Methods.doi: 10.1002/lom3.10067

Hepach, H., Quack, B., Ziska, F., Fuhlbrügge, S., Atlas, E. L., Krüger, K., Peeken, I., and Wallace, D. W. R.: Drivers of diel and regional variations of halocarbon emissions from the tropical North East Atlantic, Atmos. Chem. Phys., 14, 1255-1275, doi:10.5194/acp-14-1255-2014, 2014.

Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N., Boutin, J., Cai, W.-J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., de Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N., Hoppema, M., Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschtzer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., and Watson, A. J.: An update to the Surface Ocean CO2 Atlas (SOCAT version 2), Earth Syst. Sci. Data Discuss., 6, 465-512, doi:10.5194/essdd-6-465-2013, 2013.

Jiang, Z-P, D. J. Hydes, M. C. Hartman, S. E. Hartman, J. M. Campbell, B. D. Johnson, B. Schofield, D. Turk, D. W. R. Wallace, W. Burt, H. Thomas, C. Cosca, R. Feely, 2013. Application and assessment of the membrane-based ProOceanus CO2-ProTM sensor for partial pressure of CO2 (pCO2) under field and laboratory conditions, L$O: Methods (accepted).

Ziska, F., B. Quack, K. Abrahamsson, S.D. Archer, E. Atlas, T. Bell, J.H. Butler, L.J. Carpenter, C.E. Jones, N.R.P. Harris, H. Hepach, K.G. Heumann, C. Hughes, J. Kuss, K. Krüger, P. Liss, R.M. Moore, A. Orlikowska, S. Raimund, C.E. Reeves, W. Reifenhäuser, A.D. Robinson, C. Schall, T. Tanhua, S. Tegtmeier, S. Turner,  L. Wang,  D. Wallace, J. Williams, H. Yamamoto, S. Yvon-Lewis, and Y. Yokouchi, 2013. Global sea-to-air flux climatology for bromoform, dibromomethane and methyl iodide, Atmos. Chem. Phys., 13, 8915-8934, doi:10.5194/acp-13-8915-2013.

Turk, D., S. Vagle, J. Bedard, H. Thomas, W. Burt, M. Manizza, W. R. McGillis, and D. W. R. Wallace,2013. Inorganic carbon in Cumberland Sound on Baffin Island, eastern Canadian Arctic, submitted.

Mollier-Vogel, E., E. Ryabenko, P. Martinez, D.W.R. Wallace, M.A. Altabet, R. Schneider, 2012. Nitrogen isotope gradients off Peru and Ecuador related to upwelling, productivity, nutrient uptake and oxygen deficiency. Deep Sea Res. I, 70, 14-25, doi:10.1016/j.dsr.2012.06.003.

Williamson, P., D.W.R. Wallace, C.S. Law, P.W. Boyd, Y. Collos, P. Croot, K. Denman, U. Riebesell, S. Takeda, C. Vivian, 2012. Ocean fertilization for geoengineering: a review of effectiveness, environmental impacts and emerging governance, Process Safety and Environmental Protection, 90, 475-488, doi:10.1016/j.psep.2012.10.007.

Altabet, M.A., E. Ryabenko, L. Stramma, D.W.R. Wallace, M. Frank, P. Grasse, and G. Lavik, 2012. An eddy-stimulated hotspot for fixed nitrogen-loss from the Peru oxygen minimum zone, Biogeosciences Discuss., 9, 8013-8038, doi:10.5194/bgd-9-8013-2012.

Steinhoff, T., H.W. Bange, A. Kock, D.W.R. Wallace, and A. Körtzinger, 2012. Biological productivity in the Mauritanian upwelling estimated with a triple gas approach, Biogeosciences Discuss., 9, 4853-4875, doi:10.5194/bgd-9-4853-2012.

Banyte, D., T. Tanhua, M. Visbeck, D.W.R. Wallace, J. Karstensen, G. Krahmann, A. Schneider, L. Stramma, and M. Dengler, 2012. Diapycnal diffusivity at the upper boundary of the tropical North Atlantic oxygen minimum zone, J. Geophys. Res., 117, C09016, doi:10.1029/2011JC007762.

Schneider, A., T. Tanhua, A. Körtzinger, D.W.R. Wallace, 2012. An evaluation of tracer fields and anthropogenic carbon in the equatorial and the tropical North Atlantic. Deep Sea Res. I, 67, 85-97, doi:10.1016/j.dsr.2012.05.007.

Großkopf, T., W. Mohr, T. Baustian, H. Schunck, D. Gill, M.M.M. Kuypers, G. Lavik, R.A. Schmitz, D.W.R. Wallace, and J. LaRoche, 2012. Doubling of marine dinitrogen-fixation rates based on direct measurements. Nature 488, 361-364, doi:10.1038/nature11338.

Freing, A., D.W.R. Wallace and H. Bange, 2012. Global oceanic production of nitrous oxide, Phil. Trans. R. Soc. B 367, 1245-1255, doi:10.1098/rstb.2011.0360.

Ryabenko, E., A. Kock, H.W. Bange, M.A. Altabet, and D.W.R. Wallace, 2012. Contrasting biogeochemistry of nitrogen in the Atlantic and Pacific oxygen minimum zones, Biogeosciences, 9, 203-215, doi:10.5194/bg-9-203-2012.

Stramma, L., E.D. Prince, S. Schmidtko, J. Luo, J.P. Hoolihan, M. Visbeck, D.W.R. Wallace, P. Brandt, and A. Körtzinger, 2012. Expansion of oxygen minimum zones threatens habitat loss for tropical pelagic fishes. Nature Climate Change 2, 33–37, doi:10.1038/nclimate1304.

Carpenter, L.J., Z.L. Fleming, K.A. Read, J.D. Lee, S.J. Moller, J. Hopkins, R. Purvis, A.C. Lewis, K. Müller, B. Heinold, H. Herrmann, K. Wadinga Fomba, D. van Pinxteren, C. Müller, I. Tegen, A. Wiedensohler, T. Müller, N. Niedermeier, E.P. Achterberg, M.D. Patey, E.A. Kozlova, M. Heimann, D.E. Heard, J.M.C. Plane, A. Mahajan, H. Oetjen, T. Ingham, D. Stone, L. Whalley, M. Evans, M.J. Pilling, R.J. Leigh, P.S. Monks, A. Karunaharan, S. Vaughan, S.R. Arnold, J. Tschritter, D. Pöhler, U. Frieß, R. Holla, M.L. Mendes, H. Lopez, B. Faria, A.J. Manning, and D.W.R. Wallace, 2011. Seasonal characteristics of tropical marine boundary layer air measured at the Cape Verde Atmospheric Observatory. J. Atmos. Chem., 67, 87-140, doi:10.1007/s10874-011-9206-1.

Wallace, D.W.R., C.S. Law, P.W. Boyd, Y. Collos, P. Croot, K. Denman, P.J. Lam, U. Riebesell, S. Takeda, and P. Williamson, 2010. Ocean Fertilization: A Scientific Summary for Policy Makers. IOC/UNESCO, Paris (IOC/BRO/2010/2).

Tanhua, T., R. Steinfeldt, R.M. Key, P. Brown, N. Gruber, R. Wanninkhof, F. Perez, A. Körtzinger, A. Velo, U. Schuster, S. van Heuven, J.L. Bullister, I. Stendardo, M. Hoppema, A. Olsen, A. Kozyr, D. Pierrot, C. Schirnick, and D.W.R. Wallace, 2010 Atlantic Ocean CARINA data: overview and salinity adjustments, Earth Syst. Sci. Data, 2, 17-34, doi:10.5194/essd-2-17-2010.

Key, R. M., T. Tanhua, A. Olsen, M. Hoppema, S. Jutterström, C. Schirnick, S. van Heuven, X. Lin, D.W.R. Wallace, und L. Mintrop, 2010. The CARINA data synthesis project: Introduction and overview Earth Sys. Sci. Data, 2, 105-121, doi:10.5194/essd-2-105-2010.

Schneider, A., T. Tanhua, A. Körtzinger, and D. W. R. Wallace, 2010. High anthropogenic carbon content in the eastern Mediterranean, J. Geophys. Res., 115, C12050, doi:10.1029/2010JC006171.

Friedrichs, G., J. Bock, F. Temps, P. Fietzek, A. Körtzinger, and D. W. R. Wallace, 2010. Toward continuous monitoring of seawater 13CO2/12CO2  isotope ratio and pCO2: Performance of cavity ringdown spectroscopy and gas matrix effects. Limnol. Oceanogr. Methods 8:539-551, doi:10.4319/lom.2010.8.539.

Mohr W, T. Großkopf, D.W.R. Wallace, and J. LaRoche, 2010. Methodological Underestimation of Oceanic Nitrogen Fixation Rates. PLoS ONE 5(9): e12583, doi:10.1371/journal.pone.0012583.

Steinhoff, T., T. Friedrich, S.E. Hartman, A. Oschlies, D.W.R. Wallace, and A. Körtzinger, 2010. Estimating mixed layer nitrate in the North Atlantic Ocean, Biogeosciences, 7, 795-807, doi:10.5194/bg-7-795-2010.

Stramma, L., M. Visbeck, P. Brandt, T. Tanhua, and D.W.R. Wallace, 2009. Deoxygenation in the oxygen minimum zone of the eastern tropical North Atlantic, Geophys. Res. Lett., 36, L20607, doi:10.1029/2009GL039593.

Watson, A.J., U. Schuster, D.C.E. Bakker, N.R. Bates, A. Corbière, M. González-Dávila, T. Friedrich, J. Hauck, C. Heinze, T. Johannessen, A. Körtzinger, N. Metzl, J. Olafsson, A. Olsen, A. Oschlies, X.A. Padin,B. Pfeil, J.M. Santana-Casiano,T. Steinhoff, M. Telszewski, A.F. Rios, D.W.R. Wallace, and R. Wanninkhof, 2009. Tracking the Variable North Atlantic Sink for Atmospheric CO2, Science 4 December 2009: 326 (5958), 1391-1393, doi:10.1126/science.1177394.

Telszewski, M., A. Chazottes, U. Schuster, A.J. Watson, C. Moulin, D.C.E. Bakker, M. González-Dávila, T. Johannessen, A. Körtzinger, H. Lüger, A. Olsen, A. Omar, X.A. Padin, A.F. Ríos, T. Steinhoff, M. Santana-Casiano, D.W.R. Wallace, and R. Wanninkhof, 2009. Estimating the monthly pCO2 distribution in the North Atlantic using a self-organizing neural network, Biogeosciences, 6, 1405-1421, doi:10.5194/bg-6-1405-2009.

Tanhua, T., E.P. Jones, E. Jeansson, S. Jutterström, W.M. Smethie Jr., D.W.R. Wallace, and L.G. Anderson, 2009. Ventilation of the Arctic Ocean: Mean ages and inventories of anthropogenic CO2 and CFC-11, J. Geophys. Res., 114, C01002, doi:10.1029/2008JC004868.

Freing, A., S. Walter, T. Tanhua, D.W.R. Wallace,  and H.W. Bange, 2009. North Atlantic Production of Nitrous Oxide in the Context of Changing Atmospheric Levels, Global Biogeochem. Cycles, 23, GB4015, doi:10.1029/2009GB003472.
Ryabenko, E., M. Altabet and D.W.R. Wallace, 2009. Effect of salt on the chemical conversion of nitrate to nitrous oxide for 15N analysis. Limnol. Oceanogr. Methods, 7:545-552, doi:10.4319/lom.2009.7.545.