Tamay Ozgökmen

Tamay Ozgökmen

Professor Department of Ocean Sciences

University of Miami
4600 Rickenbacker Causeway
Miami, FL 33149

MSC 370

Tel: 305.421.4053

Lab Website

Google Scholar Page

My research interest centers around the investigation of multi-scale oceanic flows using non-hydrostatic numerical models and Lagrangian methods.

Griffa, A., A.D. Kirwan, A.J. Mariano, T.M. Özgökmen and T. Rossby, 2007: Lagrangian Analysis and Prediction of Coastal and Ocean Dynamics. Cambridge University Press, 487 pp, ISBN-13: 9780521870184 (order from

Journal Articles:
  1. Özgökmen, T.M., E.P. Chassignet and A.M. Paiva, 1997: Impact of wind forcing, bottom topography, and inertia on midlatitude jet separation in a quasigeostrophic model. J. Phys. Oceanogr., 27, 2460-2476.

  2. Özgökmen, T.M. and E.P. Chassignet, 1998: The emergence of inertial gyres in a two-layer quasigeostrophic model. J. Phys. Oceanogr., 28, 461-484.

  3. Özgökmen, T.M. and O.E. Esenkov, 1998: Asymmetric fingers induced by a nonlinear equation of state. Phys. Fluids, 10, 1882-1890.

  4. Özgökmen, T.M., O.E. Esenkov and D.B. Olson 1998: A numerical study of layer formation due to fingers in double-diffusive convection in a vertically-bounded domain. J. Mar. Res., 56/2, 463-487.

  5. Özgökmen, T.M., A. Griffa, L. I. Piterbarg, and A. J. Mariano, 2000: On the predictability of the Lagrangian trajectories in the ocean. J. Atmos. Ocean. Tech., 17/3, 366-383.

  6. Crisciani, F. and T.M. Özgökmen, 2001: Symmetry properties of barotropic bottom-dissipated single-gyre systems in the inertial regime. Dyn. Atmos. Oceans, 33/2, 135-156.

  7. Özgökmen, T.M., E.P. Chassignet and C. G. H. Rooth, 2001: On the connection between the Mediterranean outflow and the Azores Current. J. Phys. Oceanogr., 31/2, 461-480.

  8. Castellari, S., A. Griffa, T.M. Özgökmen and P.-M. Poulain, 2001: Prediction of particle trajectories in the Adriatic Sea using Lagrangian data assimilation. J. Mar. Sys., 29, 33-50.

  9. Özgökmen, T.M., L.I. Piterbarg, A.J. Mariano, and E.H. Ryan, 2001: Predictability of drifter trajectories in the tropical Pacific Ocean. J. Phys. Oceanogr., 31/9, 2691-2720.

  10. Özgökmen, T.M., and F. Crisciani, 2001: On the dynamics of beta-plumes. J. Phys. Oceanogr., 31/12, 3569-3580.

  11. Özgökmen, T.M., and E.P. Chassignet, 2002: Dynamics of two-dimensional turbulent bottom gravity currents. J. Phys. Oceanogr., 32/5, 1460-1478.

  12. Mariano, A.J., A. Griffa, T.M. Özgökmen, and E. Zambianchi, 2002: Lagrangian Analysis and Predictability of Coastal and Ocean Dynamics 2000. J. Atmos. Ocean. Tech., 19/7, 1114-1126.

  13. Piterbarg, L.I., and T.M. Özgökmen, 2002: A simple prediction algorithm for the Lagrangian motion in 2D turbulent flows. SIAM J. Appl. Math., 63/1, 116-148.

  14. Molcard, A., L. Gervasio, A. Griffa, G.P. Gasparini, L. Mortier, and T.M. Özgökmen, 2002: Numerical investigation of the Sicily Channel dynamics: density currents and water mass advection. J. Mar. Sys., 36 (3-4), 219-238.

  15. Molcard A., L. Piterbarg, A. Griffa, T.M. Özgökmen, and A.J. Mariano, 2003: Assimilation of drifter positions for the reconstruction of the Eulerian circulation field. J. Geophys. Res. Oceans, 108/3, 3056, doi:10.1029/2001JC001240.

  16. Mariano, A.J., T.M. Chin, and T.M. Özgökmen, 2003: Stochastic boundary conditions for coastal flow modeling. Geophys. Res. Letters, 30/9, doi:10.1029/2003GL016972.

  17. Özgökmen, T.M., W. Johns, H. Peters, and S. Matt, 2003: Turbulent mixing in the Red Sea outflow plume from a high-resolution nonhydrostatic model. J. Phys. Oceanogr., 33/8, 1846-1869.

  18. Özgökmen, T.M., A. Molcard, T.M. Chin, L.I. Piterbarg, and A. Griffa, 2003: Assimilation of drifter observations in primitive equation models of midlatitude ocean circulation. J. Geophys. Res. Oceans, 108(C7), 3238, doi:10.1029/2002JC001719.

  19. Chin, T.M., T.M. Özgökmen, and A.J. Mariano, 2004: Multi-variate spline and scale-specific solution for variational analyses. J. Ocean. Atmos. Tech., 21/2, 379-386..

  20. Griffa, A., L.I. Piterbarg, and T.M. Özgökmen, 2004: Predictability of Lagrangian trajectories: effects of uncertainty in the underlying Eulerian flow. J. Mar. Res., 62/1, 1-35.

  21. Paldor, N., Y. Dvorkin, A.J., Mariano, A.J., T.M. Özgökmen, and E. Ryan, 2004: A practical, hybrid model for predicting the trajectories of near-surface drifters ocean drifters. J. Atmos. Ocean. Tech., 21/8, 1246-1258 .

  22. Özgökmen, T.M., P.F. Fischer, J. Duan and T. Iliescu, 2004: Entrainment in bottom gravity currents over complex topography from three-dimensional nonhydrostatic simulations. Geophys. Res. Letters, 31, L13212, doi:10.1029/2004GL020186.

  23. Özgökmen, T.M., P.F. Fischer, J. Duan and T. Iliescu, 2004: Three-dimensional turbulent bottom density currents from a high-order nonhydrostatic spectral element model. J. Phys. Oceanogr., 34/9, 2006-2026.

  24. Molcard, A., Griffa, A., and T.M. Özgökmen, 2005: Lagrangian data assimilation in multi-layer primitive equation ocean models. J. Ocean. Atmos. Tech., 22/1, 70-83.

  25. Chang, Y.S., X. Xu, T.M. Özgökmen, E.P. Chassignet, H. Peters and P.F. Fischer, 2005: Comparison of gravity current mixing parameterizations and calibration using a high-resolution 3D nonhydrostatic spectral element model. Ocean Modelling, 10, 342-368.

  26. Özgökmen, T.M., P.F. Fischer, and W.E. Johns, 2006: Product water mass formation by turbulent density currents from a high-order nonhydrostatic spectral element model. Ocean Modelling, 12, 237-267.

  27. Molcard, A., A.C. Poje, and T.M. Özgökmen, 2006: Directed drifter launch strategies for Lagrangian data assimilation using hyperbolic trajectories. Ocean Modelling, 12, 268-289.

  28. Xu, X., Chang, Y.S., H. Peters, T.M. Özgökmen, and E.P. Chassignet, 2006: Parameterization of gravity current entrainment for ocean circulation models using a high-order 3D nonhydrostatic spectral element model. Ocean Modelling, 14, 19-44.

  29. Caglar, M., T.M. Özgökmen, and L.I. Piterbarg, 2006: Parameterization of submeso-scale eddy-rich flows using a stochastic velocity model. J. Ocean. Atmos. Tech., 23/12, 1745-1758.

  30. Du, A., J. Duan, H. Gao, T.M. Özgökmen, 2006: Ergodic dynamics of the coupled quasigeostrophic flow-energy balance system. Fundamental and Applied Mathematics. 12/6, 67-84.

  31. Özgökmen, T.M., T. Iliescu, P.F. Fischer, A. Srinivasan and J. Duan, 2007: Large eddy simulation of stratified mixing in two-dimensional dam-break problem in a rectangular enclosed domain. Ocean Modelling, 16, 106-140.

  32. Bongolan-Walsh, V.P., J. Duan, P.F. Fischer, T.M. Özgökmen and T. Iliescu, 2007: Impact of boundary conditions on entrainment and transport in gravity currents. Applied Mathematical Modelling, 31. 1338-1350.

  33. Haza, A., L.I. Piterbarg, P. Martin, T.M. Özgökmen, and A. Griffa, 2007: A Lagrangian subgrid-scale model and application for transport improvement in the Adriatic Sea using NCOM. Ocean Modelling, 17, 68-91.

  34. Chin, T.M., T.M. Özgökmen, and A.J. Mariano, 2007: Empirical and stochastic formulations of western boundary conditions. Ocean Modelling, 17, 219-238.

  35. Haza, A., A. Griffa, P. Martin, A. Molcard, T.M. Özgökmen, A.C. Poje, R. Barbanti, J. Book, P.M. Poulain, M. Rixen, and P. Zanasca, 2007: Model-based directed drifter launches in the Adriatic Sea: Results from the DART experiment. Geophys. Res. Letters, 34, L10605, doi:10.1029/2007GL029634.

  36. Xu, X., E. P. Chassignet, J. F. Price, T.M. Özgökmen and H. Peters, 2007: A regional modeling study of the entraining Mediterranean outflow. J. Geophys. Res. Oceans, 112, C12005, doi:10.1029/2007JC004145.

  37. Ilicak, M., T.M. Özgökmen, H. Peters, H.Z. Baumert and M. Iskandarani, 2008: Very large eddy simulation of the Red Sea overflow. Ocean Modelling, 20, 183-2006.

  38. Özgökmen, T.M. and P.F. Fischer, 2008: On the role of bottom roughness in overflows. Ocean Modelling, 20, 336-361.

  39. Chang, Y.S., T.M. Özgökmen, H. Peters, and X. Xu, 2008: Numerical simulation of the Red Sea outflow using HYCOM and comparison with REDSOX observations. J. Phys. Oceanogr., 38/2, 337-358.

  40. Bongolan-Walsh, V.P., J. Duan, and T.M. Özgökmen, 2008: Dynamics of transport under random fluxes on the boundary. Communications in Nonlinear Science and Numerical Simulation, 13, 1627-1641.

  41. Haza, A., A.C. Poje, T.M. Özgökmen, and P. Martin, 2008: Relative dispersion from a high-resolution coastal model of the Adriatic Sea. Ocean Modelling, 22, 48-65.

  42. Ilicak, M., T.M. Özgökmen, H. Peters, H.Z. Baumert and M. Iskandarani, 2008: Performance of two-equation turbulence closures in three-dimensional simulations of the Red Sea overflow. Ocean Modelling, 24, 122-139.

  43. Magaldi, M., T.M. Özgökmen, A. Griffa, E. Chassignet, M. Iskandarani and H. Peters, 2008: Turbulent flow regimes behind a coastal cape in a stratifed and rotating environment. Ocean Modelling, 25, 65-82.

  44. Özgökmen, T.M., T. Iliescu, and P.F. Fischer, 2009: Large eddy simulation of stratified mixing in a three-dimensional lock-exchange system. Ocean Modelling, 26, 134-155.

  45. Chang, Y.S, Z.D. Garraffo, H. Peters and Özgökmen, T.M., 2009: Pathways of nordic overflows from climate model scale and eddy resolving simulations. Ocean Modelling, 29, 66-84.

  46. Ilicak, M., T.M. Özgökmen, E. Özsoy and P.F. Fischer, 2009: Non-hydrostatic modeling of exchange flows across complex geometries. Ocean Modelling, 29, 159-175.

  47. Legg, S., Y. Chang, E. Chassignet, G. Danabasoglu, T. Ezer, A. Gordon, S. Griffies, R. Hallberg, L. Jackson, W. Large, T. Özgökmen, H. Peters, J. Price, U. Riemenschneider, W. Wu, X. Xu and J. Yang, 2009: Improving oceanic overflow representation in climate models: the Gravity Current Entrainment Climate Process Team. Bulletin of the American Meteorological Society, 90/5, 657-670.

  48. Özgökmen, T.M., T. Iliescu, and P.F. Fischer, 2009: Reynolds number dependence of mixing in a lock-exchange system from direct numerical and large eddy simulations. Ocean Modelling, 30, 190-206.

  49. Muench, R.D., A.K. Wahlin, T.M. Özgökmen, R. Hallberg, and L. Padman, 2009: Impacts of bottom corrugations on a dense outflow: the NW Ross Sea. Geophys. Res. Letters, vol. 36, L23607, doi:10.1029/2009GL041347.

  50. Poje, A.C., A.C. Haza, T.M. Özgökmen, M. Magaldi and Z.D. Garraffo, 2010: Resolution dependent relative dispersion statistics in a hierarchy of ocean models. Ocean Modelling, 31, 36-50.

  51. Magaldi, M.M., T.M. Özgökmen, A. Griffa and M. Rixen, 2010: On the response of a turbulent coastal buoyant current to wind events: the case of the Western Adriatic Current. Ocean Dynamics, 60, 93-122.

  52. Duan, J., P.F. Fischer, T. Iliescu and T. M. Özgökmen, 2010: Bridging the Boussinesq and primitive equations through spatio-temporal filtering. Applied Math. Letters, 23, 453-456.

  53. Haza, A.C., T.M. Özgökmen, A. Griffa, A. Molcard, P.M. Poulain, and G. Peggion, 2010: Transport properties in small scale coastal flows: relative dispersion from VHF radar measurements in the Gulf of La Spezia. Ocean Dynamics, 60, 861-882.

  54. Berselli, L.C., P.F. Fischer, T. Iliescu and T. M. Özgökmen: Horizontal approximate deconvolution for stratifed flows: analysis and computations. J. Sci. Comp., submitted: 1 March 2010.

  55. Chang, Y., D. Hammond, A.C. Haza, P. Hogan, H.S. Huntley, A.D. Kirwan, Jr., B.L. Lipphart, Jr., V. Tailandier, A. Griffa and T.M.Özgökmen: Enhanced estimation of sonobuoy trajectories by velocity reconstruction with near-surface drifters. Ocean Modelling, submitted: 5 April 2010; revised: 10 September 2010.

  56. Ilicak, M., T.M. Özgökmen and W. Johns: How does the Red Sea outflow interact with Gulf of Aden eddies? Ocean Modelling, submitted: 13 August 2010, revised: 20 September 2010.

  57. Schroeder, K., A.C. Haza, A. Griffa, T.M. Özgökmen, P.M. Poulain, R. Gerin, G. Peggion and M. Rixen: Relative dispersion in the Liguro-Provencal basin: from sub-mesoscale to mesoscale. Deep Sea Research Part I, submitted: 19 August 2010, in revision: 28 September 2010.

Book Chapters:
  1. Cushman-Roisin, B., and T.M. Özgökmen, 1994: A new look at the role of eddies in the general circulation. In "Modelling of Oceanic Vortices", ed: G.J.F. van Heijst, pp. 123-124.

  2. Bongolan-Walsh, V.P., J. Duan, H. Go, A., T.M. Özgökmen, P.F. Fischer, and T. Iliescu, 2005: Enstrophy and ergodicity of gravity currents. IMA Volumes in Mathematics and its Applications, Vol. 140 - Probability and Partial Differential Equations in Modern Applied Mathematics, eds: J. Duan and E.C. Waymire, Springer-Verlag, New York, pp. 61-78.

  3. Piterbarg, L.I., T.M. Özgökmen, A. Griffa, and A.J. Mariano, 2007: Predictability of Lagrangian motion in the upper ocean. Lagrangian Analysis and Prediction of Coastal and Ocean Dynamics, eds: A. Griffa, A.D. Kirwan, A.J. Mariano, T.M. Özgökmen and T. Rossby, Cambridge University Press, pp. 136-171.

  4. Molcard, A., T.M. Özgökmen, A. Griffa, L.I. Piterbarg, and T.M. Chin, 2007: Lagrangian data assimilation in ocean general circulation models. Lagrangian Analysis and Prediction of Coastal and Ocean Dynamics, eds: A. Griffa, A.D. Kirwan, A.J. Mariano, T.M. Özgökmen and T. Rossby, Cambridge University Press, pp. 172-203.

  • Gustavo Marques, Ph.D. student
  • Bilgen, Simge
  • Grossi, Matthew
  • Lodise, John
  1. MPO511 - Geophysical Fluid Dynamics I

  2. MPO664 - Atmospheric and Oceanic Turbulence

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