Cat Vreugdenhil

Numerical Simulations of Melt-Driven Double-Diffusive Fluxes in a Turbulent Boundary Layer beneath an Ice Shelf

Leo Middleton, Catherine A Vreugdenhil, Paul R Holland, John R Taylor

Journal article  |  2021  |  Journal of Physical Oceanography

The transport of heat and salt through turbulent ice shelf–ocean boundary layers is a large source of uncertainty within ocean mod..

The Influence of Submesoscales and Vertical Mixing on the Export of Sinking Tracers in Large-Eddy Simulations

John R Taylor, Katherine M Smith, Catherine A Vreugdenhil

Journal article  |  2020  |  Journal of Physical Oceanography

We use idealized large-eddy simulations (LES) and a simple analytical theory to study the influence of submesoscales on the concen..

The Impact of Turbulence and Convection on Transport in the Southern Ocean

Taimoor Sohail, Catherine A Vreugdenhil, Bishakhdatta Gayen, Andrew McC Hogg

Journal article  |  2019  |  Journal of Geophysical Research: Oceans

Volume transport in the presence of fully resolved convection and turbulence is investigated in a reentrant channel model of the S..

Stratification Effects in the Turbulent Boundary Layer beneath a Melting Ice Shelf: Insights from Resolved Large-Eddy Simulations

Catherine A Vreugdenhil, John R Taylor

Journal article  |  2019  |  Journal of Physical Oceanography

Ocean turbulence contributes to the basal melting and dissolution of ice shelves by transporting heat and salt toward the ice. The..

Transport by deep convection in basin-scale geostrophic circulation: turbulence-resolving simulations

Catherine A Vreugdenhil, Bishakhdatta Gayen, Ross W Griiths

Journal article  |  2019  |  JOURNAL OF FLUID MECHANICS

Direct numerical simulations are used to investigate the nature of fully resolved small-scale convection and its role in large-sca..

Large-eddy simulations of stratified plane Couette flow using the anisotropic minimum-dissipation model

Catherine A Vreugdenhil, John R Taylor

Journal article  |  2018  |  PHYSICS OF FLUIDS

The anisotropic minimum-dissipation (AMD) model for large-eddy simulation (LES) has been recently developed, and here the model pe..

The role of turbulent convection and wind in geostrophic circulation: Direct numerical simulation study

SR Jena, B Gayen, CA Vreugdenhil, R Griffiths

Conference Proceedings  |  2018  |  Proceedings of the 21st Australasian Fluid Mechanics Conference, AFMC 2018

Heat and mass transport in geostrophic horizontal convection with surface wind stress

T Sohail, CA Vreugdenhil, B Gayen, AMC Hogg

Conference Proceedings  |  2018  |  Proceedings of the 21st Australasian Fluid Mechanics Conference, AFMC 2018

Geostrophic and chimney regimes in rotating horizontal convection with imposed heat flux

Catherine A Vreugdenhil, Ross W Griffiths, Bishakhdatta Gayen

Journal article  |  2017  |  JOURNAL OF FLUID MECHANICS

Convection in a rotating rectangular basin with differential thermal forcing at one horizontal boundary is examined using laborato..

Mixing and dissipation in a geostrophic buoyancy-driven circulation

Catherine A Vreugdenhil, Bishakhdatta Gayen, Ross W Griffiths

Journal article  |  2016  |  JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS

Turbulent mixing and energy dissipation have important roles in the global circulation but are not resolved by ocean models. We us..