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Timour Radko

Professor
Oceanography

Phone: (831) 656-3318
Education
  • PhD - Florida State University 1997
NPS Experience
  • 2017 - current: Professor
  • 2008 - 2017: Associate Professor
  • 2004 - 2008: Assistant Professor
Other Experience
  • 2000 - 2004 Research Scientist, EAPS, MIT
  • 1997 - 2000 Post-doctoral Fellow, FSU
Research Interests
Double diffusive convection
Dynamics of mesoscale jets and vortices
Dynamics of turbulent wakes
Teaching Interests
General Circulation of the Ocean
Waves and Instabilities
Air-Ocean Fluid Dynamics

Awards

  • 2011 - Allen Griffin Award for Excellence in Teaching, Monterey County Foundation
  • 2010 - Schieffelin Award for Excellence in Teaching, Naval Postgraduate School
  • 2008 - Merit Award for Research, GSEAS, NPS
  • 2006 - Faculty Early Career Development Award, National Science Foundation

Boards, Memberships, & Certifications

Professional Memberships
  • Member, American Geophysical Union

Scholarly Work

Publications
  • Journal Articles
  • Sutyrin, G., Radko, T., & Nycander, J, (2021). Steady radiating baroclinic vortices in vertically sheared flows. Physics of Fluids, (33), 031705.
  • Sutyrin, G., & Radko, T, (2021). Why the most long-lived oceanic vortices are found in the subtropical westward flows. Ocean Modelling, (161), 101782.
  • Radko, T, (2020). Control of baroclinic instability by submesoscale topography. Journal of Fluid Mechanics, (882), A14.
  • Lewis, D. R., & Radko, T, (2020). On the structure and patterns of von Karman vortices in two-dimensional high Reynolds number flows. Physics of Fluids, (32), 116601.
  • Radko, T, (2020). Rectilinear propagation of quasi-monopolar vorticity patches. Journal of Fluid Mechanics, (904), A22.
  • Radko, T, (2020). Suppression of internal waves by thermohaline staircases. Journal of Fluid Mechanics, (902), A14.
  • Brown, J. M., Gulliver, L. T., & Radko, T, (2019). Effects of topography and orientation on the nonlinear equilibration of baroclinic instability. Journal of Geophysical Research: Oceans, (124), 6720--6734.
  • Brown, J. M., & Radko, T, (2019). Initiation of diffusive layering by time-dependent shear. Journal of Fluid Mechanics, (858), 588--608.
  • Radko, T, (2019). Instabilities of a Time-Dependent Shear Flow. Journal of Physical Oceanography, (49), 2377--2392.
  • Sutyrin, G., & Radko, T, (2019). On the peripheral intensification of two-dimensional vortices in smaller-scale randomly forcing flow. Physics of Fluids, (31), 101701.
  • Radko, T., & Lewis, D. H, (2019). The age of a wake. Physics of Fluids, (31), 076601.
  • Danieletto, M., Brown, J. M., & Radko, T, (2019). The immortal science of dead water: Effects of internal wave drag on propagating submerged bodies. J. Oceanogr. Mar. Res., (7), 191.
  • Radko, T, (2019). Thermohaline-shear instability. Geophysical Research Letters, (46), 822--832.
  • Radko, T., & Lorfeld, D, (2018). Effects of weak planetary rotation on the stability and dynamics of internal stratified jets. Physics of Fluids, (30), 096602.
  • Radko, T., & Sisti, C, (2017). Life and demise of intra-thermocline mesoscale vortices. Journal of Physical Oceanography, 12(47), 3087--3103.
  • Moody, Z. E., Merriam, C. J., Radko, T., & Joseph, J. E, (2017). On the structure and dynamics of stratified wakes generated by submerged propagating objects. Journal of Operational Oceanography, 2(10), 191--204.
  • Radko, T., & Kamenkovich, I, (2017). On the topographic modulation of large-scale eddying flows. Journal of Physical Oceanography, (47), 2157--2172.
  • Sutyrin, G., & Radko, T, (2017). The fate of pancake vortices. Physics of Fluids, 3(29), 031701.
  • Radko, T., & Edwards, E, (2016). Diapycnal Velocity in the Double-Diffusive Thermocline. Fluids, 3(1), 25.
  • Radko, T, (2016). On the generation of large-scale eddy-driven patterns: the average eddy model. Journal of Fluid Mechanics, (809), 316--344.
  • Sutyrin, G., & Radko, T, (2016). Stabilization of isolated vortices in a rotating stratified fluid. Fluids, 3(1), 26.
  • Radko, T., & Reeder, B, (2016). Stratified wakes induced by submerged propagating objects: detection using USVs and UUVs.
  • Radko, T, (2016). Thermohaline layering in dynamically and diffusively stable shear flows. Journal of Fluid Mechanics, (805), 147--170.
  • Radko, T., Ball, J., Colosi, J. A., & Flanagan, J, (2015). Double-diffusive convection in a stochastic shear. Journal of Physical Oceanography, 12(45), 3155--3167.
  • Radko, T, (2014). Applicability and failure of the flux-gradient laws in double-diffusive convection. Journal of fluid mechanics, (750), 33.
  • Radko, T., Flanagan, J., Stellmach, S., & Timmermans, M, (2014). Double-diffusive recipes. Part II: Layer-merging events. Journal of physical oceanography, 5(44), 1285--1305.
  • Flanagan, J. D., Radko, T., Shaw, W. J., & Stanton, T. P, (2014). Dynamic and double-diffusive instabilities in a weak pycnocline. Part II: Direct numerical simulations and flux laws. Journal of physical oceanography, 8(44), 1992--2012.
  • Radko, T., Peixoto de Carvalho, D, & Flanagan, J, (2014). Nonlinear equilibration of baroclinic instability: The growth rate balance model. Journal of physical oceanography, 7(44), 1919--1940.
  • Flanagan, J. D., Lefler, A. S., & Radko, T, (2013). Heat transport through diffusive interfaces. Geophysical Research Letters, 10(40), 2466--2470.
  • Han, M., Kamenkovich, I., Radko, T., & Johns, W. E, (2013). Relationship between air--sea density flux and isopycnal meridional overturning circulation in a warming climate. Journal of climate, 8(26), 2683--2699.
  • Radko, T., & Smith, D. M, (2012). Equilibrium transport in double-diffusive convection. Journal of fluid mechanics, (692), 5.
  • Traxler, A., Stellmach, S., Garaud, P., Radko, T., & Brummell, N, (2011). Dynamics of fingering convection. Part 1 Small-scale fluxes and large-scale instabilities. Journal of Fluid Mechanics, (677), 530--553.
  • Stellmach, S., Traxler, A., Garaud, P., Brummell, N., & Radko, T, (2011). Dynamics of fingering convection. Part 2 The formation of thermohaline staircases. Journal of Fluid Mechanics, (677), 554--571.
  • Radko, T, (2011). Eddy viscosity and diffusivity in the modon-sea model. Journal of Marine Research, 4-5(69), 723--752.
  • Radko, T., & Stern, M. E, (2011). Finescale instabilities of the double-diffusive shear flow. Journal of Physical Oceanography, 3(41), 571--585.
  • Radko, T, (2011). Mechanics of thermohaline interleaving: beyond the empirical flux laws. Journal of fluid mechanics, (675), 117.
  • Radko, T, (2011). On the generation of large-scale structures in a homogeneous eddy field. Journal of fluid mechanics, (668), 76--99.
  • Kamenkovich, I., & Radko, T, (2011). Role of the Southern Ocean in setting the Atlantic stratification and meridional overturning circulation. Journal of Marine Research, 2-3(69), 277--308.
  • Radko, T, (2010). Equilibration of weakly nonlinear salt fingers. J. Fluid Mech, (645), 121--143.
  • Radko, T., & Kamenkovich, I, (2010). Semi-adiabatic model of the deep stratification and meridional overturning. Journal of Physical Oceanography, 4(41), 757--780.
  • Radko, T., Kamenkovich, I., & Dare, P, (2008). Inferring the pattern of the oceanic meridional transport from the air--sea density flux. Journal of physical oceanography, 12(38), 2722--2738.
  • Radko, T, (2008). Long-range interaction and elastic collisions of isolated vortices. Journal of Fluid Mechanics, (610), 285.
  • Radko, T, (2008). The double-diffusive modon. Journal of Fluid Mechanics, (609), 59.
  • Radko, T, (2007). A mechanism for establishment and maintenance of the meridional overturning in the upper ocean. Journal of Marine Research, 1(65), 85--116.
  • Radko, T, (2007). Mechanics of merging events for a series of layers in a stratified turbulent fluid. Journal of Fluid Mechanics, (577), 251.
  • Marshall, J., & Radko, T, (2006). A model of the upper branch of the meridional overturning of the Southern Ocean. Progress in Oceanography, 2-4(70), 331--345.
  • Radko, T., & Marshall, J, (2006). The Antarctic circumpolar current in three dimensions. Journal of physical oceanography, 4(36), 651--669.
  • Radko, T, (2005). Analytical solutions for the ACC and its overturning circulation. Journal of Marine Research, 6(63), 1041--1055.
  • Radko, T, (2005). What determines the thickness of layers in a thermohaline staircase? Journal of Fluid Mechanics, (523), 79.
  • Radko, T., & Marshall, J, (2004). Eddy-induced diapycnal fluxes and their role in the maintenance of the thermocline. Journal of physical oceanography, 2(34), 372--383.
  • Radko, T., & Marshall, J, (2004). The leaky thermocline. Journal of physical oceanography, 7(34), 1648--1662.
  • Radko, T, (2003). A mechanism for layer formation in a double-diffusive fluid. Journal of Fluid Mechanics, (497), 365.
  • Radko, T., & Marshall, J, (2003). Equilibration of a warm pumped lens on a $\beta$ plane. Journal of physical oceanography, 4(33), 885--899.
  • Marshall, J., & Radko, T, (2003). Residual-mean solutions for the Antarctic Circumpolar Current and its associated overturning circulation. Journal of Physical Oceanography, 11(33), 2341--2354.
  • Stern, M. E., Radko, T., & Simeonov, J, (2001). Salt fingers in an unbounded thermocline. Journal of marine research, 3(59), 355--390.
  • Radko, T., & other, (2001). Ship waves in a stratified fluid. Journal of ship research, 1(45), 1--12.
  • Radko, T., & Stern, M. E, (2000). Finite-amplitude salt fingers in a vertically bounded layer. Journal of Fluid Mechanics, (425), 133--160.
  • Radko, T, (2000). Models of propagating oceanic eddies. Recent research developments in physical oceanography, (1), 1--33.
  • Radko, T., & Stern, M. E, (2000). Self-propagating eddies on the stratified f plane. Journal of physical oceanography, 12(30), 3134--3144.
  • Radko, T., & Stern, M. E, (1999). On the propagation of oceanic mesoscale vortices. Journal of Fluid Mechanics, (380), 39--57.
  • Radko, T., & Stern, M. E, (1999). Salt fingers in three dimensions. Journal of marine research, 3(57), 471--502.
  • Stern, M. E., & Radko, T, (1998). Maintaining the inshore shear of continental boundary currents. Dynamics of atmospheres and oceans, 1-4(27), 661--678.
  • Stern, M. E., & Radko, T, (1998). The salt finger amplitude in unbounded TS gradient layers. Journal of marine research, 1(56), 157--196.
  • Stern, M. E., & Radko, T, (1998). The self-propagating quasi-monopolar vortex. Journal of physical oceanography, 1(28), 22--39.
  • Radko, T, (1998). Theoretical studies in mesoscale jets and vortices.
  • Other
  • Radko, T, (2013). Double-diffusive convection.