NDLI: Spurious dianeutral mixing in a global ocean model using spherical centroidal voronoi tessellations

Please wait, while we are loading the content...

Characterization of bacterial communities associating with larval development of Yesso Scallop (Patinopecten yessoensisis Jay, 1857) by high-throughput sequencing

Effects of elevated seawater pCO$_{2}$ on early development of scallop Argopecten irradias (Lamarck, 1819)

Trend in coral-algal phase shift in the Mandapam group of islands, Gulf of Mannar Marine Biosphere Reserve, India

Characteristics of algal succession following rock scraping at Imwon area in the east coast of Korea

Changes in growth, carbon and nitrogen enzyme activity and mRNA accumulation in the halophilic microalga Dunaliella viridis in response to NaCl stress

Identification of odor volatile compounds and deodorization of Paphia undulata enzymatic hydrolysate

Journal of Ocean University of China : Volume 15, Issue 5, October 2016

Journal of Ocean University of China : Volume 15, Issue 3, June 2016

Journal of Ocean University of China : Volume 15, Issue 2, April 2016

Journal of Ocean University of China : Volume 15, Issue 1, February 2016

Journal of Ocean University of China : Volume 14

Journal of Ocean University of China : Volume 13

Journal of Ocean University of China : Volume 12

Journal of Ocean University of China : Volume 11

Journal of Ocean University of China : Volume 10

Journal of Ocean University of China : Volume 9

Journal of Ocean University of China : Volume 8

Journal of Ocean University of China : Volume 7

Journal of Ocean University of China : Volume 6

Journal of Ocean University of China : Volume 5

Journal of Ocean University of China : Volume 4

Journal of Ocean University of China : Volume 3

Journal of Ocean University of China : Volume 2

Journal of Ocean University of China : Volume 1

Spurious dianeutral mixing in a global ocean model using spherical centroidal voronoi tessellations

Content Provider	Springer Nature Link
Author	Zhao, Shimei Liu, Yudi
Copyright Year	2016
Abstract	In order to quantitatively evaluate the spurious dianeutral mixing in a global ocean model MPAS-Ocean (Model for Prediction Across Scales) using a spherical centroidal voronoi tessellations developed jointly by the National Center for Atmospheric Research and the Los Alamos National Laboratory in the United States, we choose z* vertical coordinate system in MPAS-Ocean, in which all physical mixing processes, such as convection adjustment and explicit diffusion parameter schemes, are omitted, using a linear equation of state. By calculating the Reference Potential Energy (RPE), front revolution position, time rate of RPE change, probability density function distribution and dimensionless parameter χ, from the perspectives of resolution, viscosity, Horizontal Grid Reynolds Number (HGRN), Re$_{Δ}$, and momentum transmission scheme, using two ideal cases, overflow and baroclinic eddy channel, we qualitatively analyze the simulation results by comparison with the three non-isopycnal models in Ilicak et al. (2012), i.e., MIT$_{GCM}$, MOM, and ROMS. The results show that the spurious dianeutral mixing in the MPAS-Ocean increases over time. The spurious dianeutral transport is proportional to the HGRN directly and is reduced by increasing the lateral viscosity or using a finer resolution to control HGRN. When the HGRN is less than 10, spurious transport is reduced significantly. When using the proper viscosity closure, MPAS-Ocean performs better than MITGCM and MOM, closely to ROMS, in the 2D case without rotation, and much better than the above-mentioned three ocean models under the condition of 3D space with rotation due to the cell area difference between the hexagon cell and the quadrilateral cell with the same resolution. Both the Zalesak (1979) flux corrected transport scheme and Leith closure in MPAS-Ocean play an excellent role in reducing spurious dianeutral mixing. The performance of Leith scheme is preferable to the condition of three-dimensional baroclinic eddy.
Starting Page	923
Ending Page	935
Page Count	13
File Format	PDF
ISSN	16725182
Journal	Journal of Ocean University of China
Volume Number	15
Issue Number	6
e-ISSN	19935021
Language	English
Publisher	Science Press
Publisher Date	2016-11-08
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	MPAS-Ocean spurious dianeutral mixing Reference Potential Energy (RPE) Leith scheme Horizontal Grid Reynolds Number (HGRN) Oceanography Meteorology
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

A multiresolution method for climate system modeling: application of spherical centroidal Voronoi tessellations

Impact of Local Grid Refinements of Spherical Centroidal Voronoi Tessellations for Global Atmospheric Models

A multiresolution method for climate system modeling: application of spherical centroidal Voronoi tessellations

Grid generation and optimization based on centroidal Voronoi tessellations

Grid generation and optimization based on centroidal Voronoi tessellations

Spurious dianeutral mixing and the role of

Finite Volume Methods on Spheres and Spherical Centroidal Voronoi Meshes

Algorithms and Criteria for Volumetric Centroidal Voronoi Tessellations

Spherical Layout Implementation using Centroidal Voronoi Tessellations

Spurious dianeutral mixing in a global ocean model using spherical centroidal voronoi tessellations

Similar Documents

A multiresolution method for climate system modeling: application of spherical centroidal Voronoi tessellations

Impact of Local Grid Refinements of Spherical Centroidal Voronoi Tessellations for Global Atmospheric Models

A multiresolution method for climate system modeling: application of spherical centroidal Voronoi tessellations

Grid generation and optimization based on centroidal Voronoi tessellations

Grid generation and optimization based on centroidal Voronoi tessellations

Spurious dianeutral mixing and the role of

Finite Volume Methods on Spheres and Spherical Centroidal Voronoi Meshes

Algorithms and Criteria for Volumetric Centroidal Voronoi Tessellations

Spherical Layout Implementation using Centroidal Voronoi Tessellations

Spurious dianeutral mixing in a global ocean model using spherical centroidal voronoi tessellations