For citations and other statistics see my google scholar page
Submitted Articles
A. J. George Nurser, Stephen M. Griffies, Jan D. Zika and Geoffrey J. Stanley: Mathematics of circulation in arbitrary fluid property spaces. Submitted to the Journal of Fluid Mechanics
Taimoor Sohail, Jan D. Zika, Tobias F. Ehmen: How accurate are salinity measurements around Antarctica? A machine learning based approach. Submitted to Machine Learning: Earth.
Taimoor Sohail, Jan D. Zika: Global air-sea heat and freshwater fluxes constrained by ocean observations. Earth System Science Data Discussions 2025, 1-24
GianGiacomo Navarra, Curtis Deutsch; Aakash Sane; Jan Zika: A Kernel-Based Emulator of Net Primary Production Variability in the Southern Ocean. Submitted to Artificial Intelligence for the Earth Systems.
In Press and Published Peer Reviwed Journal Articles
Zijin Chen, William R. Hobbs, Jan D. Zika, Zanna Chase, 2025: The impact of Antarctic sea ice on Southern Ocean water mass transformation in coupled climate models. Journal of Geophysical Research - Oceans. In Press.
Conde, I. A., Zika, J. D., Holmes, R. M., & Ramesh, N., 2025: Observed increase in tropical Pacific ocean surface cold-warm contrast is well outside model-simulated range. Geophysical Research Letters. In Press.
E Piedagnel, T Sohail, J. D. Zika, 2025: Mapping ocean salinity data using Gaussian Mixture Modeling. Artificial Intelligence for the Earth Systems. In press.
Josef I. Bisits, Jan D. Zika, Taimoor Sohail, 2025: Cabbeling as a catalyst and driver of turbulent mixing. Journal of Fluid Mechanics. In press.
Drake, H.F., Bailey, S., Dussin, R., Griffies, S.M., Krasting, J.P., MacGilchrist, G.A., Stanley, G.J., Tesdal, J.E. and Zika, J.D., 2025: Water Mass Transformation Budgets in Finite-Volume Generalized Vertical Coordinate Ocean Models. J. of Adv. in Modeling Earth Systems. In press.
Josef I. Bisits, Jan D. Zika, Dafydd Gwyn Evans, 2024: Does Cabbeling Shape the Thermohaline Structure of High-Latitude Oceans? Journal of Physical Oceanography. doi:10.1175/JPO-D-24-0061.1.
Jan D. Zika, Taimoor Sohail, 2024: An optimal transformation method for inferring ocean tracer sources and sinks. Geoscientific Model Development. doi:10.5194/gmd-17-8049-2024.
Neill Mackay, Taimoor Sohail, Jan David Zika, Richard G. Williams, Oliver Andrews, Andrew James Watson, 2024: An optimal transformation method applied to diagnose the ocean carbon budget. Geoscientific Model Development. doi:10.5194/gmd-17-5987-2024.
Sohail, T. and Zika, J.D., 2024. Unsupervised classification identifies warm, fresh and dense regimes of the Antarctic margins. Journal of Physical Oceanography. https://doi.org/10.1175/JPO-D-23-0153.1.
Portela, E., Kolodziejczyk, N., Gorgues, T., Zika, J., Perruche, C., & Mignot, A. (2024). The ocean’s meridional oxygen transport. Journal of Geophysical Research: Oceans, 129, e2023JC020259.
Kolbusz, J., Zika, J., Pattiaratchi, C., and Jamieson, A. 2024: Water properties and bottom water patterns in hadal trench environments, Ocean Sci., 20, 123–140.
Sohail, T., Irving, D.B., Zika, J.D. and Gregory, J.M., 2023. Anthropogenic aerosols offsetting ocean warming less efficiently since the 1980s. Geophysical Research Letters, 50(23).
Fabio Boeira Dias, Stephen R Rintoul, Ole Richter, Benjamin Keith Galton-Fenzi, Jan D. Zika, Violaine Pellichero, Petteri Uotila, 2023: Sensitivity of simulated water mass transformation on the Antarctic shelf to tides, topography and model resolution. Frontiers in Marine Science, 10.
Matthew Pudig, Claire Yung, Jan Zika and Ryan Holmes, 2023: Rectified ocean heat uptake from oscillatory surface forcing. Journal of Climate 36, pp. 2663 - 2680.
Sohail, T., Holmes, R.M. and Zika, J.D. 2023: Watermass co-ordinates isolate the historical climate change signal. Journal of Climate 36, pp. 3063 - 3081.
Josef Bisits, Geoffrey Stanley, Jan Zika, 2023: Can we accurately quantify a lateral diffusivity from a single tracer release? Journal of Physical Oceanography, vol. 53, no. 2.
L. Cheng, K. von Schuckmann, J. Abraham, K. Trenberth, M. Mann, L. Zanna, M. H. England, J. D. Zika, J. Fasullo 5 , Y. Yu, Y. Pan, J. Zhu, E. Newsom, B. Bronselaer, X Lin, 2022: Past and future ocean warming. Nature Reviews Earth and Environment, pp.1-19.
Clément, Louis, E. L. McDonagh, J. M. Gregory, Q. Wu, A Marzocchi, J.D. Zika and A. J. G. Nurser, 2022: Mechanisms of Ocean Heat Uptake Along and Across Isopycnals. Journal of Climate.
Sohail, Taimoor, Jan D. Zika, Damien B. Irving, John A. Church, 2022: Observed poleward freshwater transport since 1970. Nature. 602(7898), pp.617-622.
Holmes, R.M., Sohail, T. and Zika, J.D., 2022: Adiabatic and diabatic signatures of ocean temperature variability. Journal of Climate, 35(5), pp.1459-1477.
Holmes, R., J. D. Zika, S. M. Griffies, A. McC Hogg, A. E. Kiss, M. England, 2021: The geography of numerical mixing in a suite of global ocean models. Journal of Advances in Modelling the Earth System. e2020MS002333.
Savita, A., Zika, J., Domingues, C., Marsland, S., Evans, G., Dias, F., Holmes, R.M. and Hogg, A., 2021: Super Residual Circulation: a new perspective on ocean vertical heat transport. Journal of Physical Oceanography. 51.8: 2443-2462.
Bladwell, C., R. M. Holmes, J. D. Zika 2021: Internal salt content: a useful framework for understanding the oceanic branch of the water cycle. Journal of Physical Oceanography. 51 (7), 2167-2179.
Sohail, Taimoor, Damien B. Irving, Jan D. Zika, Ryan M. Holmes, John A. Church, 2021: Fifty Year Trends in Global Ocean Heat Content Traced to Surface Heat Fluxes in the Sub-Polar Ocean. Geophysical Research Letters. 48 (8), e2020GL091439.
Zika, J. D., J. M. Gregory, E. L. McDonagh, A. Marzocchi, L. Clement, 2021: Recent water mass changes reveal mechanisms of ocean warming. Journal of Climate. 34 (9), 3461-3479.
Irving, D, B., Hobbs, W., Church, J., Zika, J. D. 2021: A Mass and Energy Conservation Analysis of Drift in the CMIP6 Ensemble. Journal of Climate. 34 (8), 3157-3170.
Nikolaos S., Marsh, R., Mecking, J., Zika J. D. 2020: Changing water cycle and freshwater transports in the Atlantic Ocean in observations and CMIP5 models. Climate Dynamics. https://doi.org/10.1007/s00382-020-05261-y
Mackay, N. S., Wilson, C., Holliday, P., Zika, J. D., 2020: The observation-based application of a Regional Thermohaline Inverse Method to diagnose the formation and transformation of Labrador Sea water from 2013-2015. Journal of Physical Oceanography, 50, 1533–1555.
Zika, J. D., J-B. Sallée, A. C. Naveira-Garabato, A. J. Watson, A. Meijers, M-J. Messias, B. King, 2020: Tracking the spread of a passive tracer through Southern Ocean water masses. Ocean Science.,16, 323–336, 2020.
Holmes, R., Zika, J. D., Ferrari, R., Thompson, A. Newsom, E., England, M., 2019: Atlantic ocean heat transport enabled by Indo-Pacific heat uptake and mixing. Geophysical Research Letters, 46, 13, 939–13, 949.
Holmes, R.M., J.D. Zika, and M.H. England, 2019: Reply to “Comments on ‘Diathermal Heat Transport in a Global Ocean Model’”. J. Phys. Oceanogr., 49, 2195–2197.
Holmes, R., J. D. Zika, M. England, 2019: Diathermal heat transport in a global ocean model. Journal of Physical Oceanography, 49, 141-161.
Groeskamp, S., S. M. Griffies, D. Iudicone, R. Marsh, A. G. Nurser and J. D. Zika, 2019: The water mass transformation framework for ocean physics and biogeochemistry. Annual Reviews of Marine Science, 11, 271-305.
Evans, G. D., J. D. Zika, A. C. Naveira-Garabato, A. G. Nurser, 2018: The cold transit of Southern Ocean upwelling. Geophysical Research Letters, 45.
Zika, J. D., N. Skliris, A. Blaker, R. Marsh, N. G. Nurser, S. Josey, 2018: Improved estimates of water cycle change from ocean salinity: the key role of ocean warming. 13 74036, Environmental Research Letters.
Mackay, N. S., Wilson, C., Zika, J.D., Holliday, P., 2018: A regional thermohaline inverse model for estimating circualtion and mixing in the Arctic and subpolar North Atlantic. Journal of Atmospheric and Oceanic Technology, 35, 2383–2403
Skliris, N., J. D. Zika, L. Herold, S. Josey, R. Marsh, 2018: Mediterranean sea water budget long term trend inferred from salinity observations. Climate Dynamics.
van Sebille, et al., 2018: Lagrangian Ocean Analysis: Fundamentals and Practices. Ocean Modelling, 121, 49-75.
Bruno, N, J. D. Zika and Toumi, R., 2017: Can the ocean's heat engine control horizontal circulation: Insights from the Caspian Sea. Geophysical Research Letters. 44.
Naveira Garabato, A. C., G. A. MacGilchrist, P. J. Brown, D. G. Evans, A J. S. Meijers and J. D. Zika, 2017: High-latitude ocean ventilation and its role in Earth's climate transitions. Philosophical Transactions of the Royal Society. A 375.2102 (2017): 20160324.
Evans, D. G., J. Toole, G. Forget, J. D. Zika, G. Nurser, A. C. Naveira Garabato, L. Yu, 2017: Recent wind-driven variability in Atlantic water mass distribution and meridional overturning circulation. Journal of Physical Oceanography, 47(3), 663-687.
Groeskamp, S., B. M. Sloyan, J. D Zika, T. J. McDougall, 2017: Mixing inferred from an ocean climatology and surface fluxes. Journal of Physical Oceanography, 47(3), 667-687.
Döös, K., J. Kjellsson, J. D. Zika, F. Laliberté, L. Brodeau, A. Aldana-Campino, 2017: The Coupled Ocean-Atmosphere Hydrothermohaline Circulation. Journal of Climate, 30, 631-647.
Skliris, N, J. D. Zika, N. G. Nurser, S. Josey, R. Marsh, 2016: Global water cycle amplifying at less than the Clausius-Clapeyron rate. Nature Scientific Reports. 6, 38752.
Grist, J., S. Josey, J. D. Zika, N. Skliris, D. G. Evans, 2016: Assessing recent air-sea freshwater flux changes using a surface temperature-salinity space framework. Journal of Geophysical Research Oceans, 121.
Lozier, M. S. et al., 2016: Overturning in the Subpolar North Atlantic Gyre Program: a new international ocean observing system. Bulletin of the American Meteorological Society.
Naveira Garabato, A. C., J. D. Zika, L. Jullion, P. Brown, P. Holland, M. Meredith, S Bacon, 2016: The thermodynamic balance of the Weddell Gyre. Geophysical Research Letters. 43, 317-325.
Naveira Garabato, A. C., K. L. Polzin, R. Ferrari, J. D. Zika, A. Forryan, 2016: A microscale view of mixing and overturning across the Antarctic Circumpolar Current. Journal of Physical Oceanography. 46, 233-254.
Zika, J. D., N. Skliris, G. Nurser, L. Mudryk, F. Laliberté, S. Josey, R. Marsh, 2015: Maintenance and broadening of the ocean's salinity distribution by the water cycle. Journal of Climate. 28, 9550-9560.
Zika, J. D., F. Laliberté, L. Mudryk, W. P. Sijp, G. Nurser, 2015: Changes in ocean vertical heat transport with global warming. Geophysical Research Letters, 42, 1-9.
Langlais, C., Rintoul, S, J. D. Zika, 2015: Response of the Antarctic Circumpolar Current to wind forcing in eddy permitting models: eddy saturation versus barotropic acceleration. Journal of Physical Oceanography, 45, 1051-1067.
Laliberté, F., J. D. Zika, L. Mudryk, P. Kushner, J. Kjellsson, K. Döös, 2015: Constrained work output of the moist atmospheric heat engine in a warming climate. Science, 347, 540-543.
Evans, G. D., J. D. Zika, A. C. Naveira-Garabato, A. G. Nurser, 2014: The imprint of Southern Ocean overturning on seasonal water mass variability in Drake Passage. Journal of Geophysical Research: Oceans, 119, 7987-8010.
Groeskamp, S., J. D. Zika, B. M. Sloyan, T. J. McDougall, 2014: A Thermohaline Inverse Method For Estimating Diathermohaline Circulation and Mixing. Journal of Physical Oceanography, 44, 2681-2697.
Groeskamp, S., J. D. Zika, T. J. McDougall, B. M. Sloyan, F. Laliberté, 2014: The representation of ocean circulation and variability in thermodynamic coordinates. Journal of Physical Oceanography, 44, 1735-1750.
J. Kjellsson, K. Döös, F. B. Laliberté, J. D. Zika, 2014: The Atmospheric General Circulation in Thermodynamic Coordinates. Journal of Atmospheric Sciences. 71, 916-928.
Sijp, W. P., J. D. Zika, M. d'Orgeville, M. England, 2014: Revisiting meridional overturning bistability using a minimal set of state variables: stochastic theory. Climate Dynamics. 1-16.
Zika, J. D., J. Le Sommer, C.O. Dufour and A.C. Naveira-Garabato, A.T. Blaker, 2013: Acceleration of the Antarctic Circumpolar Current by Wind Stress Along the Coast of Antarctica. Journal of Physical Oceanography. 12, 2772-2784.
Zika J. D., Willem P. Sijp and Matthew H. England, 2013: Vertical heat transport by the ocean circulation and the role of mechanical and haline forcing. Journal of Physical Oceanography. 43, 2095-2112.
Zika, J. D., Julien Le Sommer, Carolina O. Dufour, Jean-Marc Molines, Bernard Barnier, Pierre Brasseur, Rafael Dussin, Daniele Iudicone, Andrew Lenton, Gurvan Madec, Pierre Mathiot, James Orr, Thierry Penduff, Emily Shuckburgh and Frederic Vivier, 2013: Vertical Eddy Fluxes in the Southern Ocean. Journal of Physical Oceanography. 43, 941-955.
C. Dufour, J. Le Sommer, J. D. Zika, M. Gehlen, J. C. Orr, P. Mathiot, and B. Barnier, 2012: Standing and Transient Eddies in the Response of the Southern Ocean Meridional Overturning to the Southern Annular Mode. Journal of Climate, 25, 6958-6974.
Van Sebile, E., England, M. H. Zika, J. D., Sloyan, B. M., 2012: Tasman leakage in a fine resolution ocean model. Geophysical Research Letters, 39, L06601.
Zika, J.D., M. H. England, W.P. Sijp, 2012: The Ocean Circulation in Thermohaline Coordinates, Journal of Physical Oceanography,2, 708-724.
T. Penduff, M. Juza, B. Barnier, J. D. Zika, W. K. Dewar, A-M. Treguier, J-M. Molines, N. Audiffren, 2011: Sea-level expression of intrinsic and forced ocean variabilities at interannual time scales. Journal of Climate. 24, 5652–5670.
Zika, J. D., T. J. McDougall and B. M. Sloyan, 2010: Weak mixing in the eastern North Atlantic: An application of the tracer-contour inverse method. J. Physical Oceanography, 40, 1881-1893.
Zika, J.D., T.J. McDougall, and B.M. Sloyan, 2010: A Tracer-Contour Inverse Method for Estimating Ocean Circulation and Mixing. J. Phys. Oceanogr., 40, 26–47.
Zika, J.D., B.M. Sloyan, and T.J. McDougall, 2009: Diagnosing the Southern Ocean Overturning from Tracer Fields. J. Phys. Oceanogr., 39, 2926–2940.
Zika, J.D. and T.J. McDougall, 2008: Vertical and Lateral Mixing Processes Deduced from the Mediterranean Water Signature in the North Atlantic. J. Phys. Oceanogr., 38, 164-176.
Referred Book Chapters
de Lavergne, C., Groeskamp, S., Zika, J., & Johnson, H. L. (2022). The role of mixing in the large-scale ocean circulation. Ocean Mixing, 35-63.
Other Publications
Sohail T. and Zika, J.D. (2022): Climate Change is Warping the Fresh Water Cycle. The Conversation. https://theconversation.com/climate-change-is-warping-our-fresh-water-cycle-and-much-faster-than-we-thought-177453
Zika, J.D. (2019): Sea-level and coastal impacts: A rising tide lifts all risks. REASK Catastrophe Risk and Re-Insurance Blog. https://reask.earth/2019/05/28/1345/1.
Zika, J.D. (2018): Earth Planet Redux. Art+ Australia. Issue Three (54.2): Unnaturalism, 46-51.
Whitmarsh, F., J. D. Zika, A. Czaja., 2015: Ocean heat uptake and the global surface temperature record. Grantham Institute Briefing Paper No. 14.
Zika, J. D., 2012: The Ocean: A contour-wise view. Bulletin of the Australian Meteorological and Oceanographic Society, Vol. 25, pages 28-30. \
Zika, J.D.: Quantifying Ocean Mixing from Hydrographic Data. Submitted in fulfilment of the requirements for the Doctor of Philosophy. The University of New South Wales, Sydney, 2010.
Zika, J.D., and S.A. Thorpe 2007: The Stability of Boundary Layer Flows. Produced as part of the 49th Summer Program in Geophysical Fluid Dynamics at the Woods Hole Oceanographic Institution, Massachusetts.
Zika, J. D.: The Hydrodynamics of Ultra Compact HII Region Expansion. Submitted in partial fulfilment of the requirements for the Degree of Bachelor of Science with Honours, accepted December 2005.