Equilibrium dynamics of the Benguela system : a numerical modelling approach

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dc.contributor.advisorShillington, Franken_ZA
dc.contributor.advisorPenven, Pierricken_ZA
dc.contributor.authorVeitch, Jennifer Anneen_ZA
dc.date.accessioned2015-01-13T04:07:59Z
dc.date.available2015-01-13T04:07:59Z
dc.date.issued2009en_ZA
dc.descriptionIncludes abstract.en_ZA
dc.descriptionIncludes bibliographical references (p. 237-255).en_ZA
dc.description.abstractThe Regional Ocean Modelling System (ROMS) is used to systematically investigate equilibrium conditions and seasonal variations of the Benguela system, including both the large-scale flow regime as well as the coastal upswelling regime. A shelf-edge poleward flow exists in the northern Benguela region and is driven primarily by the wind-stress curl via the Sverdup relation. As such, it is strongly seasonal and is most intense during spring and summer when the wind-stress curl is most negative. The poleward flow deepens as it moves southward and between 25-27° much of it veers offshore due to the nature of of the wind-stress curl. In the mean state, the Benguela Current is characterized by two streams: the more inshore stream is topographically controlled and follows the run of the shelf-edge. The offshore stream is driven by nonlinear reactions of passing Aghulas rings and eddies and does not have a striking seasonal signal. The model simulates all seven of the major upswelling cells within its domain.en_ZA
dc.identifier.apacitationVeitch, J. A. (2009). <i>Equilibrium dynamics of the Benguela system : a numerical modelling approach</i>. (Thesis). University of Cape Town ,Faculty of Science ,Department of Oceanography. Retrieved from http://hdl.handle.net/11427/12153en_ZA
dc.identifier.chicagocitationVeitch, Jennifer Anne. <i>"Equilibrium dynamics of the Benguela system : a numerical modelling approach."</i> Thesis., University of Cape Town ,Faculty of Science ,Department of Oceanography, 2009. http://hdl.handle.net/11427/12153en_ZA
dc.identifier.citationVeitch, J. 2009. Equilibrium dynamics of the Benguela system : a numerical modelling approach. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Veitch, Jennifer Anne AB - The Regional Ocean Modelling System (ROMS) is used to systematically investigate equilibrium conditions and seasonal variations of the Benguela system, including both the large-scale flow regime as well as the coastal upswelling regime. A shelf-edge poleward flow exists in the northern Benguela region and is driven primarily by the wind-stress curl via the Sverdup relation. As such, it is strongly seasonal and is most intense during spring and summer when the wind-stress curl is most negative. The poleward flow deepens as it moves southward and between 25-27° much of it veers offshore due to the nature of of the wind-stress curl. In the mean state, the Benguela Current is characterized by two streams: the more inshore stream is topographically controlled and follows the run of the shelf-edge. The offshore stream is driven by nonlinear reactions of passing Aghulas rings and eddies and does not have a striking seasonal signal. The model simulates all seven of the major upswelling cells within its domain. DA - 2009 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2009 T1 - Equilibrium dynamics of the Benguela system : a numerical modelling approach TI - Equilibrium dynamics of the Benguela system : a numerical modelling approach UR - http://hdl.handle.net/11427/12153 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/12153
dc.identifier.vancouvercitationVeitch JA. Equilibrium dynamics of the Benguela system : a numerical modelling approach. [Thesis]. University of Cape Town ,Faculty of Science ,Department of Oceanography, 2009 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/12153en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Oceanographyen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherOceanographyen_ZA
dc.titleEquilibrium dynamics of the Benguela system : a numerical modelling approachen_ZA
dc.typeDoctoral Thesis
dc.type.qualificationlevelDoctoral
dc.type.qualificationnamePhDen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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