A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations
A new type of ocean circulation model is described and tested for various simplewind-driven circulation problems. The model resides on the vorticity balance ofthe depth averaged velocity and a hierarchy of balance equations for thevertical moments of baroclinic velocity and density, the lowest densi...
Main Authors: | , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
2003
|
Subjects: | |
Online Access: | https://epic.awi.de/id/eprint/5055/ https://epic.awi.de/id/eprint/5055/1/Olb2002c.pdf https://hdl.handle.net/10013/epic.15623 https://hdl.handle.net/10013/epic.15623.d001 |
id |
ftawi:oai:epic.awi.de:5055 |
---|---|
record_format |
openpolar |
spelling |
ftawi:oai:epic.awi.de:5055 2024-09-15T18:37:14+00:00 A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations Olbers, Dirk Eden, C. 2003 application/pdf https://epic.awi.de/id/eprint/5055/ https://epic.awi.de/id/eprint/5055/1/Olb2002c.pdf https://hdl.handle.net/10013/epic.15623 https://hdl.handle.net/10013/epic.15623.d001 unknown https://epic.awi.de/id/eprint/5055/1/Olb2002c.pdf https://hdl.handle.net/10013/epic.15623.d001 Olbers, D. orcid:0000-0002-2565-6175 and Eden, C. (2003) A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations , Journal of physical oceanography, 33, No. 12, pp. 27192737 . hdl:10013/epic.15623 EPIC3Journal of physical oceanography, 33, No. 12, pp. 27192737 Article isiRev 2003 ftawi 2024-06-24T03:55:26Z A new type of ocean circulation model is described and tested for various simplewind-driven circulation problems. The model resides on the vorticity balance ofthe depth averaged velocity and a hierarchy of balance equations for thevertical moments of baroclinic velocity and density, the lowest density momentbeing the baroclinic potential energy. The latter is the most importantdynamical link between the barotropic and the baroclinic motion in the presenceof a sloping topography. We derive a coupled hierarchy of tendency equations forthe potential energy and higher order density moments which, together withmoments for the baroclinic velocities and an appropriate truncation and thebarotropic vorticity balance yields in a simplified set of vertical integratedequations describing the BARotropic-Baroclinic-Interaction (BARBI) of motions inthe ocean. Using a numerical implementation of BARBI, idealized companionexperiments with a full primitive equation model (MOM) show that wavepropagation properties and baroclinic adjustments are correctly represented inBARBI in mid latitudes as well as in equatorial latitudes. Furthermore, a set ofexperiments with a realistic application to the Atlantic/Southern Ocean systemreadily reveals important aspects which have been previously reported by studiesof gyre circulations and circumpolar currents using full primitive equationmodels. Article in Journal/Newspaper Southern Ocean Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
institution |
Open Polar |
collection |
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
A new type of ocean circulation model is described and tested for various simplewind-driven circulation problems. The model resides on the vorticity balance ofthe depth averaged velocity and a hierarchy of balance equations for thevertical moments of baroclinic velocity and density, the lowest density momentbeing the baroclinic potential energy. The latter is the most importantdynamical link between the barotropic and the baroclinic motion in the presenceof a sloping topography. We derive a coupled hierarchy of tendency equations forthe potential energy and higher order density moments which, together withmoments for the baroclinic velocities and an appropriate truncation and thebarotropic vorticity balance yields in a simplified set of vertical integratedequations describing the BARotropic-Baroclinic-Interaction (BARBI) of motions inthe ocean. Using a numerical implementation of BARBI, idealized companionexperiments with a full primitive equation model (MOM) show that wavepropagation properties and baroclinic adjustments are correctly represented inBARBI in mid latitudes as well as in equatorial latitudes. Furthermore, a set ofexperiments with a realistic application to the Atlantic/Southern Ocean systemreadily reveals important aspects which have been previously reported by studiesof gyre circulations and circumpolar currents using full primitive equationmodels. |
format |
Article in Journal/Newspaper |
author |
Olbers, Dirk Eden, C. |
spellingShingle |
Olbers, Dirk Eden, C. A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations |
author_facet |
Olbers, Dirk Eden, C. |
author_sort |
Olbers, Dirk |
title |
A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations |
title_short |
A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations |
title_full |
A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations |
title_fullStr |
A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations |
title_full_unstemmed |
A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations |
title_sort |
simplified general circulation model for a baroclinic ocean with topography. part i: theory, waves and wind-driven circulations |
publishDate |
2003 |
url |
https://epic.awi.de/id/eprint/5055/ https://epic.awi.de/id/eprint/5055/1/Olb2002c.pdf https://hdl.handle.net/10013/epic.15623 https://hdl.handle.net/10013/epic.15623.d001 |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
EPIC3Journal of physical oceanography, 33, No. 12, pp. 27192737 |
op_relation |
https://epic.awi.de/id/eprint/5055/1/Olb2002c.pdf https://hdl.handle.net/10013/epic.15623.d001 Olbers, D. orcid:0000-0002-2565-6175 and Eden, C. (2003) A simplified general circulation model for a baroclinic ocean with topography. Part I: Theory, waves and wind-driven circulations , Journal of physical oceanography, 33, No. 12, pp. 27192737 . hdl:10013/epic.15623 |
_version_ |
1810481595523530752 |