Meso- to Submesoscale Dynamics in the Ocean

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Physical Oceanography".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 1886

Special Issue Editors


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Guest Editor
College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, China
Interests: internal wave and mixing; mesoscale eddy; deep-ocean circulation

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Guest Editor
State Key Laboratory of Tropical Oceanography (LTO), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
Interests: ocean observation; mesoscale and submesoscale dynamic processes
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Guest Editor
Key Laboratory of Physical Oceanography, Ocean University of China, Qingdao, China
Interests: oceanic eddies; meso- and submeso-scale dynamics; oceanic mixing

Special Issue Information

Dear Colleagues,

Oceanic mesoscale and submesoscale processes (manifesting as eddies, fronts, filaments, and current meanders) with the respective horizontal scales of O(10-100) km and O(0.1-10) km are ubiquitous and important features in the ocean. In recent decades, they have gained increasing attention due to the following reasons: first, meso- to submesoscale dynamical processes play a crucial role in the oceanic energy cascade that maintains the balance of the ocean circulation’s energy reservoir. Second, they have a huge capability to transport oceanic tracers (e.g., heat, salt, nutrients, carbon, oxygen etc.) in three dimensions, significantly modulating the air–sea interaction and biogeochemical processes. With the advent of super computer and high-resolution observation technologies, considerable knowledge of meso- to submesoscale processes has been obtained, but many issues such as their fine three-dimensional structures, quantitative roles in tracer transports, generation and decay mechanisms, interactions with other processes and their route of energy cascade, subgrid parameterizations in models, impacts on large-scale circulation, air–sea interaction, as well as biogeochemical processes are still elusive. In order to address these issues, a wide range of observational, theoretical, and numerical studies are needed. In this Special Issue of JMSE, i.e. "Meso- to Submesoscale Dynamics in the Ocean", we welcome research that is relevant, but not limited to, the above issues.

Prof. Dr. Jiwei Tian
Dr. Zhiyou Jing
Dr. Zhiwei Zhang
Guest Editors

Manuscript Submission Information

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Keywords

  • mesoscale eddies
  • submesoscale processes
  • fronts and filaments
  • meso- to submesoscale dynamics
  • energy cascade
  • tracer transport
  • instability
  • scale–scale interactions

Published Papers (1 paper)

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Research

12 pages, 1548 KiB  
Article
Turbulent Transport in a Stratified Shear Flow
by Daria Gladskikh, Lev Ostrovsky, Yuliya Troitskaya, Irina Soustova and Evgeny Mortikov
J. Mar. Sci. Eng. 2023, 11(1), 136; https://doi.org/10.3390/jmse11010136 - 6 Jan 2023
Cited by 1 | Viewed by 1124
Abstract
Within the framework of the theory of unsteady turbulent flows in a stratified fluid, a new parameterization of the turbulent Prandtl number is proposed. The parameterization is included in the k-ε-closure and used within the three-dimensional model of thermohydrodynamics of [...] Read more.
Within the framework of the theory of unsteady turbulent flows in a stratified fluid, a new parameterization of the turbulent Prandtl number is proposed. The parameterization is included in the k-ε-closure and used within the three-dimensional model of thermohydrodynamics of an enclosed water body where density distribution includes pycnocline. This allows us to describe turbulence in a stratified shear flow without the restrictions associated with the gradient Richardson number and justify the choice of closure constants. Numerical experiments, where the downward penetration of turbulence was considered, confirm the advantage of the developed approach in describing the effects neglected in the classical closures. Full article
(This article belongs to the Special Issue Meso- to Submesoscale Dynamics in the Ocean)
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