On the role of seamounts in upwelling deep-ocean waters through turbulent mixing

A Mashayek, J Gula, LE Baker… - Proceedings of the …, 2024 - pnas.org
Turbulent mixing in the ocean exerts an important control on the rate and structure of the
overturning circulation. However, the balance of processes underpinning this mixing is …

Submesoscale processes and mixing

J Gula, J Taylor, A Shcherbina, A Mahadevan - Ocean mixing, 2022 - Elsevier
In this chapter, we discuss the links between oceanic submesoscale (100 m–10 km)
processes and mixing. Submesoscale currents occur on lateral scales of 100 m–10 km in …

Submesoscale coherent vortices observed in the northeastern South China Sea

X Zhang, Z Zhang, JC McWilliams, Z Sun… - Journal of …, 2022 - Wiley Online Library
Although submesoscale coherent vortices (SCVs) have been observed in different parts of
the world's oceans, most of them were captured by accident by a limited number of …

A forward energy flux at submesoscales driven by frontogenesis

K Srinivasan, R Barkan… - Journal of Physical …, 2023 - journals.ametsoc.org
Submesoscale currents, comprising fronts and mixed-layer eddies, exhibit a dual cascade of
kinetic energy: a forward cascade to dissipation scales at fronts and an inverse cascade …

Wake vortices and dissipation in a tidally modulated flow past a three‐dimensional topography

P Puthan, G Pawlak, S Sarkar - Journal of Geophysical …, 2022 - Wiley Online Library
Large eddy simulations are employed to investigate the role of tidal modulation strength on
wake vortices and dissipation in flow past three‐dimensional topography, specifically a …

Boundary-layer-mediated vorticity generation in currents over sloping bathymetry

A Jagannathan, K Srinivasan… - Journal of Physical …, 2021 - journals.ametsoc.org
Current–topography interactions in the ocean give rise to eddies spanning a wide range of
spatial and temporal scales. The latest modeling efforts indicate that coastal and underwater …

The eastern mediterranean boundary current: seasonality, stability, and spiral formation

V Verma, R Barkan, A Solodoch… - Journal of Physical …, 2024 - journals.ametsoc.org
Seasonal variability and the effect of bottom interaction on the dynamics of the along-slope
boundary current flowing around the Levantine Basin are investigated using nested high …

Energetic Stratified Turbulence Generated by Kuroshio–Seamount Interactions in Tokara Strait

A Takahashi, RC Lien, E Kunze, B Ma… - Journal of Physical …, 2024 - journals.ametsoc.org
Generating mechanisms and parameterizations for enhanced turbulence in the wake of a
seamount in the path of the Kuroshio are investigated. Full-depth profiles of finescale …

Surface gravity wave effects on submesoscale currents in the open ocean

D Hypolite, L Romero, JC McWilliams… - Journal of Physical …, 2021 - journals.ametsoc.org
A set of realistic coastal simulations in California allows for the exploration of surface gravity
wave effects on currents (WEC) in an active submesoscale current regime. We use a new …

Evolution of bottom boundary layers on three dimensional topography—Buoyancy adjustment and instabilities

A Jagannathan, K Srinivasan… - Journal of …, 2023 - Wiley Online Library
A current along a sloping bottom gives rise to upwelling, or downwelling Ekman transport
within the stratified bottom boundary layer (BBL), also known as the bottom Ekman layer. In …