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Hurricane motion on a beta plane in an asymmetric balance model

dc.contributor.authorNicklas, Christopher T., author
dc.contributor.authorMontgomery, Michael T., author
dc.date.accessioned2022-05-10T16:44:18Z
dc.date.available2022-05-10T16:44:18Z
dc.date.issued1996
dc.descriptionAlso issued as Christopher T. Nicklas's thesis (M.S.) -- Colorado State University, 1996.
dc.description.abstractThis work extends asymmetric balance theory (AB) to the shallow water beta plane (,6-AB). The physical problem studied is that of vortex motion on a beta plane in the absence of environmental steering flow. To reduce the problem to its essential physics, the mathematical formulation developed is restricted to purely linear dynamics. The linear dynamics precludes wave-wave and wave-mean-flow interactions. Vortices placed in the ,6-AB model correctly develop the wavenumber one asymmetries (the "beta" gyres) necessary for vortex self-advection. The vortices move in a northwest direction consistent with their relative strengths. Finite drift speeds are reached in all cases. Both the ,6-AB model and a linear barotropic nondivergent model are used to investigate the existence of a translating normal mode of zero frequency. If such a mode exists, the beta gyres would be expected to remain unchanged in the absence of beta forcing. When the beta forcing is discontinued, the beta gyres axisymmetrize in both models, refuting the normal mode hypothesis.
dc.description.sponsorshipSponsored by the Office of Naval Research ONR N00014-93-1-0456.
dc.format.mediumreports
dc.identifier.urihttps://hdl.handle.net/10217/234960
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relationCatalog record number (MMS ID): 991000236299703361
dc.relationQC852 .C6 no.610
dc.relation.ispartofAtmospheric Science Papers (Blue Books)
dc.relation.ispartofAtmospheric science paper, no. 610
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subject.lcshCyclones -- Tropics
dc.subject.lcshCyclone forecasting -- Tropics
dc.titleHurricane motion on a beta plane in an asymmetric balance model
dc.typeText
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