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Submitted / Preprints

Napolitano, D., J. Gula , S. Coadou-Chaventon, S. Speich, J. C. McWilliams, C. B. Rocha, D. Zhang & X. Carton (2024)
Thermohaline gradients galore in the northwestern Tropical Atlantic
submitted


De Marez, C., A. Ruiz-Angulo & J. Gula
Mesoscale Dynamics on the Iceland-Faroe Ridge Fueling Deep Ocean Warming of the AMOC
submitted



E. Capo, J.C. McWilliams, J. Gula , M.J. Molemaker, P. Damien & R. Schubert
Abyssal Slope Currents
submitted



Schubert, R., J. Gula , E. Capo, P. Damien, M.J. Molemaker, C. Vic, & J.C. McWilliams
The ocean moves downhill near the seafloor and recirculates uphill above
submitted




Picard, T., J. Gula , C. Vic & L. Memery
Seasonal tracer subduction in the Subpolar North Atlantic driven by submesoscales
submitted



Ayoub, N., M. Chidichimo, E. Dever, X. Guo, S.-Y. Kim, M. Krug, B. Miguez, T. Morris, M. Roughan, J. Sprintall, K. Tanaka, R.E. Todd, J. Wilkin, E. Alvarez-Fanjul, M. Andres, A. Bosse, C. Edwards, J. Gula , C.G. Kerry, Y. Miyazawa, P. Oddo, E. Oka & K. Zaba
Observing ocean boundary currents : what can we learn from six regions with mature observational and modelling systems ?
submitted



Picard, T., J. Gula , R. Fablet, J. Collin & L. Memery
Learning-based prediction of the particles catchment area of deep ocean sediment traps



Duan, W., X. Cheng, Y. Zhou & J. Gula
Characteristics of salinity-controlled submesoscale fronts in the Bay of Bengal and their impact on the upper ocean
submitted



Chouksey, A., J. Gula & X. Carton
Long-lived Deep Coherent Vortices in the North-East Atlantic Ocean
submitted



Vic, A., X. Carton & J. Gula
Baroclinic instability in a coupled oceanic-atmospheric Eady model
submitted




In Journals

2024


Mashayek, A., J. Gula, L. Baker, L. Cimoli, A. Naveira Garabato, J. Riley & C. de Lavergne (2024)
Mountains to climb : on the role of seamounts in upwelling deep-ocean waters through turbulent mixing
Proceedings of the National Academy of Sciences, https://doi.org/10.21203/rs.3.rs-939198/v1


Napolitano, D., X. Carton & J. Gula (2024)
Vertical interaction between NBC rings and its implications for South Atlantic Water export
J. Geophys. Res.,129,e2023JC020741.



Carton, X., J. Reynaud, A. Vic & J. Gula (2024)
The nonlinear evolution of two surface quasi-geostrophic vortices
Geophysical & Astrophysical Fluid Dynamics, 1–27.



Tedesco, P., J. Gula, P. Penven, C. Menesguen, C. Vic & Q. Jamet (2024)
Can mesoscale eddy kinetic energy sources and sinks be inferred from sea surface height in the Agulhas Current ?



2023


R.J. Schubert, O. Vergara & J. Gula (2023)
The open ocean kinetic energy cascade is strongest in late winter and spring
Communications Earth & Environment, https://doi.org/10.21203/rs.3.rs-2924613/v1



Morel, Y., G. Morvan, R. Benshila, L. Renault, J. Gula, & F. Auclair (2023)
Generalized evolution equation of a rescaled potential vorticity. Application to the study of coastal upwelling instability.

2022


Tagliabue, A., A. Lough, C. Vic, V. Roussenov, J. Gula, M. Lohan, J. Resing, & R. Williams (2022)
Mechanisms driving the dispersal of hydrothermal iron from the northern Mid Atlantic Ridge



Jamet, Q., S. Leroux, W.K. Dewar, T. Penduff, J. Le Sommer, J.-M. Molines & J. Gula (2022)
Non-local eddy-mean kinetic energy transfers in submesoscale-permitting ensemble simulations
Journal of Advances in Modeling Earth Systems, https://doi.org/10.1002/essoar.10510686.1


Wang, L., J. Gula, J. Collin & L. Memery (2022)
Effects of mesoscale dynamics on the distribution and transport of gravitationally sinking particles to the deep ocean


Vic, A., X. Carton & J. Gula (2022)
Eady baroclinic instability of a circular vortex



Uchida, T., J. Le Sommer, C. Stern, R.P. Abernathey, C. Holdgraf, A. Albert, L. Brodeau, E. Chassignet, X. Xu, J. Gula, G. Roullet, Q. Wang, N. Koldunov, S. Danilov, D. Menemenlis, C. Bricaud, B. Arbic, A. Biastoch, R. Schubert, F. Qiao, B, Xiao, B. Fox-Kemper & W.K. Dewar (2022)
Cloud-based framework for inter-comparing submesoscale permitting realistic ocean models


Yu, X., A. Naveira Garabato, C. Vic, J. Gula, A.C. Savage, J. Wang, A.F. Waterhouse, J.A. Mackinnon (2022)
Observed equatorward propagation and chimney effect of near-inertial waves in the mid-latitude ocean


Vic, C., S. Hascoet, J. Gula, T. Huck & C. Maes (2022)
Oceanic mesoscale cyclones cluster surface Lagrangian material
Tedesco, P., J. Gula, P. Penven & C. Menesguen (2022)
Mesoscale Eddy Kinetic Energy budget and transfers between vertical modes in a Western Boundary Current



2021


Vic, A., X. Carton & J. Gula (2021)
The interaction of two unsteady point vortex sources in a deformation field in 2D incompressible flows
Regular and Chaotic Dynamics, https://doi.org/10.1134/S1560354721060034


C. Cathalot, E. Roussel, A. Perhirin, V. Creff, J.-P. Donval, V. Guyader, G. Roullet, J. Gula, C. Tamburini, M. Garel, A. Godfroy & P.-M. Sarradin (2021)
Hydrothermal plumes as hotspots for deep-ocean heterotrophic microbial biomass production
Nature Communications, 12, 6861.


R.J. Schubert, J. Gula & A. Biastoch (2021)
Submesoscale Flows Impact Agulhas Leakage
Communications Earth & Environment, 2, 197.



X. Ruan, J. Wenegrat & J. Gula (2021)
Slippery bottom boundary layers: the loss of energy from the general circulation by bottom drag


R. Barkan, K. Srinivasan, L. Yang, J.C. McWilliams, J. Gula & C. Vic (2021)
Oceanic mesoscale eddy depletion catalyzed by internal waves



C. de Marez, M. Le Corre & J. Gula (2021)
The influence of merger and convection on an anticyclonic eddy trapped in a bowl


L. Qu, L. Thomas & J. Gula (2021)
Bottom mixing enhanced by tropical storm-generated near-inertial waves entering critical layers in the Straits of Florida


J. Gula, J. Taylor, A. Shcherbina & A. Mahadevan (2021)
Submesoscale processes and Mixing
"Ocean Mixing : Drivers, Mechanisms and Impacts". Edited by A.C. Naveira Garabato and M.P. Meredith., September 2021, ISBN: 978-0-128-21512-8.



B. Delorme, L.N. Thomas, P. Marchesiello, J. Gula, G. Roullet & J. M. Molemaker (2021)
Enhanced Abyssal Mixing in the Equatorial Pacific Associated with Non-Traditional Effects
J. Phys. Oceanogr., 51(6), 1895-1914. https://doi.org/10.1175/JPO-D-20-0238.1


C. Buckingham, J. Gula & X. Carton (2021)
The Role of Curvature in Modifying Frontal Instabilities. Part II: Application of the Criterion to Curved Density Fronts at Low Richardson Numbers
J. Phys. Oceanogr., 51, 317–341, https://doi.org/10.1175/JPO-D-20-0258.1


C. Buckingham, J. Gula & X. Carton (2021)
The Role of Curvature in Modifying Frontal Instabilities. Part I: Review of Theory and Presentation of a Nondimensional Instability Criterion
J. Phys. Oceanogr., 51, 299-315, https://doi.org/10.1175/JPO-D-19-0265.1


2020


N. Lahaye, J. Gula & G. Roullet (2020)
Internal tide cycle and topographic scattering over the North Mid-Atlantic Ridge
J. Geophys. Res., 125, e2020JC016376, https://doi.org/10.1029/2020JC016376.



A. Smilenova, J. Gula, M. Le Corre, L. Houpert & Y. Reecht (2020)
A persistent deep anticyclonic vortex in the Rockall Trough sustained by anticyclonic vortices shed from the slope current and wintertime convection
J. Geophys. Res., 125, e2019JC015905, https://doi.org/10.1029/2019JC015905.


R.J. Schubert, J. Gula, R.J. Greatbatch, B. Baschek & A. Biastoch (2020)
The Submesoscale Kinetic Energy Cascade: Mesoscale Absorption of Submesoscale Mixed-Layer Eddies and Frontal Downscale Fluxes
J. Phys. Oceanogr., 50, 2573–2589, https://doi.org/10.1175/JPO-D-19-0311.1


A. Solodoch, J.C. McWilliams, A. Stewart, J. Gula & L. Renault (2020)
Why does the Deep Western Boundary Current "leak" around Flemish Cap ?
J. Phys. Oceanogr., 50, 1989–2016, https://doi.org/10.1175/JPO-D-19-0247.1.


M. Le Corre, J. Gula & A.-M. Tréguier (2020)
Barotropic vorticity balance of the North-Atlantic subpolar gyre in an eddy-resolving model
Ocean Science, 16, 451-468.


C. De Marez, N. Lahaye, & J. Gula (2020)
Interaction of the Gulf Stream with small scale topographic features: a focus on lee waves
Scientific Reports, 10, 2332.

2019


M. Morvan, P. L'Hégaret, X. Carton, J. Gula, C. Vic, M.A. Sokolovskiy & K. Koshel (2019)
The life cycle of submesoscale eddies generated by topographic interactions
Ocean Science, 15, 1531–1543. https://doi.org/10.5194/os-15-1531-2019


P. Tedesco, J. Gula, C. Menesguen, P. Penven & M. Krug (2019)
Generation of submesoscale frontal eddies in the Agulhas Current
J. Geophys. Res., 124, 7606– 7625.


N. Lahaye, J. Gula & A. Thurnherr, G. Reverdin, P.A. Bouruet-Aubertot & G. Roullet (2019)
Deep currents in the rift valley of the North Mid-Atlantic Ridge
Frontiers in Marine Science


Y. Morel, J. Gula & A. Ponte (2019)
Potential Vorticity diagnostics based on balances between volume integral and boundary conditions


N. Lahaye, J. Gula & G. Roullet (2019)
Sea-surface signature of internal tides
Geophys. Res. Lett., 46, 3880-3890.


J. Gula, T. Blacic & R. Todd (2019)
Submesoscale coherent vortices in the Gulf Stream
Geophys. Res. Lett., 46, 2704-2714.


J.C. McWilliams, J. Gula & M.J. Molemaker (2019)
The Gulf Stream North Wall: Ageostrophic Circulation and Frontogenesis.
J. Phys. Oceanogr., 49, 893–916.


D.B. Chelton, M.G. Schlax, R.M. Samelson, J.T. Farrar, M.J. Molemaker, J.C. McWilliams, & J. Gula (2019)
Prospects for Future Satellite Estimation of Small-Scale Variability of Ocean Surface Velocity and Vorticity
Progress in Oceanography, 173, 256-350.


2018


L. Renault, J.C. McWilliams, & J. Gula (2018)
Dampening of Submesoscale Currents by Air-Sea Stress Coupling in the Californian Upwelling System
Scientific Reports, 8:13388

J.O. Wenegrat, L.N. Thomas, J. Gula & J.C. McWilliams (2018)
Effects of the submesoscale on the potential vorticity budget of ocean mode waters
J. Phys. Oceanogr., 48, 2141–2165.


J.D. Ramanantsoa, P. Penven, M. Krug, J. Gula & M. Rouault (2018)
Uncovering a new current: the South-west MAdagascar Coastal Current (SMACC)
Geophys. Res. Lett., 45.


[see also Scientists Discover New Ocean Current off Madagascar as an EOS research spotlight]

C. Vic, J. Gula, G. Roullet & F. Pradillon (2018)
Dispersion of deep-sea hydrothermal vent effluents and larvae by submesoscale and tidal currents.
Deep Sea Research, doi:10.1016/j.dsr.2018.01.001.


J.D. Ramanantsoa, M. Krug, P. Penven, M. Rouault, & J. Gula (2018)
Coastal upwelling south of Madagascar: temporal and spatial variability
Journal of Marine Systems, 178, 29-37.


2017


F. Ardhuin, S.T. Gille, D. Menemenlis, C. Rocha, N. Rascle, B. Chapron, J. Gula & M.J. Molemaker (2017)
Small‐scale open‐ocean currents have large effects on wind‐wave heights.
J. Geophys. Res., 122, 4500–4517.


M. Krug, S. Swart & J. Gula (2017)
Submesoscale cyclones in the Agulhas Current
Geophys. Res. Lett., 44.


2016


J. Gula, M.J. Molemaker & J.C. McWilliams (2016)
Topographic Generation of Submesoscale Centrifugal Instability and Energy Dissipation.
Nature Communications, 7:12811.

L. Renault, M.J. Molemaker, J. Gula, S. Masson & J.C. McWilliams (2016)
Control and Stabilization of the Gulf Stream by Oceanic Current Interaction with the Atmosphere.
J. Phys. Oceanogr., 46, 3439-3453.


J.M. Klymak, R.K. Shearman, J. Gula, C.M. Lee, E.A. D’Asaro, L. Thomas, R. Harcourt, A. Shcherbina, M.A. Sundermeyer, M.J. Molemaker and J.C. McWilliams (2016)
Submesoscale streamers exchange water on the North Wall of the Gulf Stream
Geophys. Res. Lett., 43, 1226–1233.


J. Gula, M.J. Molemaker & J.C. McWilliams (2016)
Submesoscale dynamics of a Gulf Stream frontal eddy in the South Atlantic Bight.
J. Phys. Oceanogr., 46, 305-325.



J. Schoonover, W. Dewar, N. Wienders, J. Gula, J.C. McWilliams, M.J. Molemaker, S. Bates, G. Danabasoglu & S. Yeager (2016)
North Atlantic Barotropic Vorticity Balances in Numerical Models
J. Phys. Oceanogr., 46, 289-303.


2015


C. Vic, G. Roullet, X. Carton, X. Capet, M.J. Molemaker & J. Gula (2015)
Eddy-topography interactions and the fate of the Persian Gulf Outflow
J. Geophys. Res., 120, doi:10.1002/2015JC011033.


J.C. McWilliams, J. Gula, J., M.J. Molemaker, L. Renault & A. Shchepetkin (2015)
Filament frontogenesis by boundary layer turbulence.
J. Phys. Oceanogr., 45, 1988-2005.


J. Gula, J. Molemaker & J.C. McWilliams (2015)
Topographic vorticity generation, submesoscale instability and vortex street formation in the Gulf Stream
Geophys. Res. Lett., 42, 4054-4062.

J. Callies, R. Ferrari, J.M. Klymak & J. Gula (2015)
Seasonality in submesoscale turbulence
Nature Communications, 6, 6862.


M.S. Mallard, C.G. Nolte, T.L. Spero, O.R. Bullock, K. Alapaty, J. Herwehe, J. Gula & J. Bowden (2015)
Technical Challenges and Solutions in Representing Lakes when Using WRF in Downscaling Applications
Geosci. Model Dev., 8, 1085-1096.

J. Gula, J. Molemaker & J.C. McWilliams (2015)
Gulf Stream dynamics along the Southeastern U.S. Seaboard.
J. Phys. Oceanogr., 45, 690-715.



2014


M. d'Orgeville, W.R. Peltier, A. Erler & J. Gula (2014)
Climate Change Impacts on Great Lakes Basin Precipitation Extremes.
J. Geophys. Res., 119, p10799-10812.


J. Gula, J. Molemaker & J.C. McWilliams (2014)
Submesoscale cold filaments in the Gulf Stream.
J. Phys. Oceanogr., 44, p2617-2643.


M.S. Mallard, C.G. Nolte, O.R. Bullock, T.L. Spero & J. Gula (2014)
Using a Coupled Lake Model with WRF for Dynamical Downscaling.
J. Geophys. Res., 119, p7193-7208.


J. Gula & V. Zeitlin (2014)
Instabilities of shallow-water flows with vertical shear in the rotating annulus.
"Modelling Atmospheric and Oceanic flows: insights from laboratory experiments and numerical simulations". Edited by T. von Larcher and P. Williams, November 2014, AGU, Washington, D. C.. ISBN: 978-1-118-85593-5.



2012


J. Gula & W.R. Peltier (2012)
Dynamical Downscaling over the Great Lakes Basin of North America using the WRF Regional Climate Model: The impact of the Great Lakes system on regional greenhouse warming.
J. Climate., 25, p7723-7742.

[see also A. Hall’s insights on our work: Projecting regional change, Science, 346, 1461-1462, 2014.]


2011


J.-B. Flor, H. Scolan & J. Gula (2011)
Frontal instabilities and waves in a differentially rotating fluid.
J. Fluid Mech., 685, p532-542.



2010


B. Ribstein, J. Gula & V. Zeitlin (2010)
(A)geostrophic adjustment of dipolar perturbations, formation of coherent structures and their properties, as follows from high-resolution numerical simulations with rotating shallow water model. Phys. Fluids., 22, 116603.

J. Gula, V. Zeitlin & F. Bouchut (2010)
Instabilities of buoyancy driven coastal currents and their nonlinear evolution in the two-layer rotating shallow water model. Part II. Active lower layer.
J. Fluid Mech., 665, p209-237.

J. Gula & V. Zeitlin (2010)
Instabilities of buoyancy driven coastal currents and their nonlinear evolution in the two-layer rotating shallow water model. Part I. Passive lower layer.
J. Fluid Mech., 659, p69-93.



2009


J. Gula, V. Zeitlin & R. Plougonven (2009)
Instabilities of two-layer shallow-water flows with vertical shear in the rotating annulus.
J. Fluid Mech., 638, p27-47.


J. Gula, R. Plougonven & V. Zeitlin (2009)
Ageostrophic instabilities of fronts in a channel in the stratified rotating fluid.
J. Fluid Mech., 627, p485-507.



In proceedings

Penven, P., P. Tedesco, J. Gula & C. Menesguen (2021)
Mean barotropic vorticity balance in the South Western Indian Ocean
Proceedings of the Nansen Tutu Center 10th anniversary symposium: Ocean, weather and climate, science to the service of society, 10-12 March 2020, Cape Town, Afrique du Sud, 65-68.


Cunha, M., L. Génio, F. Pradillon, M. Clavel Henry, S. Beaulieu, J. Birch, F. Campuzano, M. Carretón, F. De Leo, J. Gula, S. Laming, D. Lindsay, F. Matos, A. Metaxas, K. Meyer-Kaiser, S. Mills, H. Queiroga, C. Rodrigues, J. Sarrazin, H. Watanabe, C. Young, R. Young (2020)
Foresight Workshop on Advances in Ocean Biological Observations: a sustained system for deep-ocean meroplankton
Research Ideas and Outcomes, 6, e54284. https://doi.org/10.3897/rio.6.e54284


Lguensat, R., R. Fablet, J. Le Sommer, S. Metref, E. Cosme, K. Ouenniche, L. Drumetz, & J. Gula (2020)
Filtering Internal Tides From Wide-Swath Altimeter Data Using Convolutional Neural Networks
IEEE IGARSS 2020 conference. arXiv :2005.01090 [physics.ao-ph]


A. Dagallier, S. Cheinet, D. Juve, A. Ponte and J. Gula (2019)
Travel times in complex environments
Proceedings of the 23rd International Congress on Acoustics, 9-13 september 2019, Aachen, Germany.


M. Le Corre, J. Gula, A. Smilenova and L. Houpert (2019)
On the dynamics of a deep quasi-permanent anticylonic eddy in the Rockall Trough
24ème Congrès Français de Mécanique, 26-30 août 2019, Brest, France.


J. Gula and V. Zeitlin (2010)
Instabilities of buoyancy driven coastal currents and their nonlinear evolution in the two layer rotating shallow water model. In Mathematical Theory and Modelling in Atmosphere-Ocean-Science. Eds. A. J. Majda, B. Stevens and R. Klein. Mathematisches Forschungsinstitut Oberwolfach, Report No. 34/2010.

J. Gula, R. Plougonven and V. Zeitlin (2007)
Ageostrophic instabilities of a front in a stratified rotating fluid
18ème Congrès Français de Mécanique. Grenoble, France, August 27-31, 2007.


G. Wake, J. Gula and G. Ivey (2004)
Periodic Forcing of Baroclinic Basin-Scale Waves in a Rotating Stratified Basin
15th Australasian Fluid Mechanics Conference, The University of Sydney, 13-17 December 2004, CD Rom: AFMC00097.



Thesis

J. Gula (2009)
Instabilités agéostrophiques des écoulements baroclines dans l'atmosphère et dans l'océan et leur évolution non-linéaire
PHD thesis - Directeurs de thèse : Vladimir Zeitlin et Riwal Plougonven
Soutenue le 22 octobre 2009 au Laboratoire de Météorologie Dynamique.

Also available on TEL.

HDR

J. Gula (2020)
Mesoscale and submesoscale turbulence in the presence of topography
Defended Jan 16, 2020 at IUEM.




Covers

Deep-Sea Research: Part 1
March 2018; volume 133



Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
June 2016; volume 472, issue 2190