Closing the loops on Southern Ocean dynamics: From the circumpolar current to ice shelves and from bottom mixing to surface waves

LG Bennetts, CJ Shakespeare… - Reviews of …, 2024 - Wiley Online Library
A holistic review is given of the Southern Ocean dynamic system, in the context of the crucial
role it plays in the global climate and the profound changes it is experiencing. The review …

Kinetic energy transfers between mesoscale and submesoscale motions in the open ocean's upper layers

ACN Garabato, X Yu, J Callies… - Journal of Physical …, 2022 - journals.ametsoc.org
Mesoscale eddies contain the bulk of the ocean's kinetic energy (KE), but fundamental
questions remain on the cross-scale KE transfers linking eddy generation and dissipation …

Turbulent wave-balance exchanges in the ocean

J Thomas - Proceedings of the Royal Society A, 2023 - royalsocietypublishing.org
Oceanic flows are turbulent and multi-scale in nature, and are composed of fast internal
waves and slowly evolving balanced eddies. Contrary to conventional wisdom in physical …

Interacting internal waves explain global patterns of interior ocean mixing

G Dematteis, A Le Boyer, F Pollmann, KL Polzin… - Nature …, 2024 - nature.com
Across the stable density stratification of the abyssal ocean, deep dense water is slowly
propelled upward by sustained, though irregular, turbulent mixing. The resulting mean …

Spatiotemporal characteristics of the near-surface turbulent cascade at the submesoscale in the Drake Passage

PF Tedesco, LE Baker… - Journal of Physical …, 2024 - journals.ametsoc.org
Submesoscale currents and internal gravity waves achieve an intense turbulent cascade
near the ocean surface [depth of 0–O (100) m], which is thought to give rise to significant …

Mixing at the ocean's bottom boundary

KL Polzin, TJ McDougall - Ocean mixing, 2022 - Elsevier
The lower limb of the global overturning circulation represents the transformation of waters
previously made dense by cryogenic processes around Antarctica that have found their way …

Surface reflection of bottom generated oceanic lee waves

LE Baker, A Mashayek - Journal of Fluid Mechanics, 2021 - cambridge.org
Lee waves generated by stratified flow over rough bottom topography in the ocean extract
momentum and energy from the geostrophic flow, causing drag and enhancing turbulence …

Observed near-inertial waves trapped in a propagating anticyclonic eddy

X Xu, W Zhao, X Huang, Q Hu, S Guan… - Journal of Physical …, 2022 - journals.ametsoc.org
Near-inertial waves (NIWs) trapped in a propagating anticyclonic eddy (AE) are investigated
along the eddy path at three areas spanning 660 km by using two mooring arrays and a …

Reabsorption of lee-wave energy in bottom-intensified currents

Y Wu, E Kunze, A Tandon… - Journal of Physical …, 2023 - journals.ametsoc.org
While lee-wave generation has been argued to be a major sink for the 1-TW wind work on
the ocean's circulation, microstructure measurements in the Antarctic Circumpolar Currents …

Eddy acceleration and decay driven by internal tides

CJ Shakespeare - Journal of Physical Oceanography, 2023 - journals.ametsoc.org
Recent observations and numerical simulations have demonstrated the potential for
significant interactions between mesoscale eddies and smaller-scale tidally generated …