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Sep 2026

Fast Times at Lofoten High – Interactions Between Near-Inertial Oscillations and a Strong Mesoscale Eddy

This study investigates interactions between near-inertial oscillations (NIOs) and a mesoscale eddy in the Lofoten Basin, Norwegian Sea, focusing on pressure gradients in the eddy. Using surface drifters deployed during the Northern Ocean Rapid Surface Evolution (NORSE) project, we observe large spatial variations in...

Kerstin Bergentz, Luca R. Centurioni, Jennifer Mackinnon · 0 citations
Preprint Sep 2026

The dynamical role of vortices in the two-dimensional inverse cascade of turbulence

We study the inverse energy cascade of two-dimensional turbulence by means of high-resolution numerical simulations forced at intermediate wavenumbers. To clarify the role of vortices generated near the forcing scale, we decompose the vorticity and velocity fields into vortex and background components. Although the vor...

V. J. Valadão, R. Pereira, L. Moriconi et al. · 0 citations
Open access Sep 2026

Shear-free, inhomogeneous turbulence in a stably stratified fluid. Part 2. A wave–turbulence decomposition

Abstract Content of image described in text. In Hass & Lele (2026 J. Fluid Mech. 1037, A20), we looked at the statistical structure (self-similarity) and entrainment rate of a shear-free turbulent layer bounded by a net zero momentum source layer above and a stable density interface below and found agreement with oscil...

Ryan Hass, S. Lele · 0 citations
Preprint Aug 2026

Turbulent diffusivity and effective rise velocity of buoyant particles in a free-surface boundary layer

Predicting the transport of buoyant particles in a free-surface boundary layer is important to the study of many environmental systems, including microplastics in the upper ocean. Current transport models, adapted from sediment transport theory, typically rely on assumptions of a quiescent rise velocity and gradient di...

Julio E. Chávez-Dorado, Lucia J. Baker, J. J. Riley et al. · 1 citation
#diffusion models Preprint Aug 2026

Internal heating in rapidly rotating convection is not a shortcut to geostrophic turbulence

Convective turbulence in planets and stars is often driven by internal heating. This forcing mechanism has also been proposed as a means of accessing the diffusion-free scalings of the geostrophic turbulence (GT) regime at modest forcing. We test this with the asymptotically reduced quasi-geostrophic model, which is fo...

Justin A. Nicoski, Tobias G. Oliver, S. Maffei et al. · 0 citations
Sep 2026

Scale-dependent budget and vertical pathway of kinetic energy in the Northwest Pacific

The oceanic energy budget across mesoscale and submesoscale plays a crucial role in regulating large-scale ocean circulation and air-sea interactions. Although submesoscale baroclinic instability is known to inject energy near the surface and fuel an inverse energy cascade toward mesoscale eddies, the vertical pathwa...

Shu-Ya Wang, Wen-Da Zhang, S. Kido et al. · 0 citations

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