Isolated spheroidal geophysical vortices
The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-bo...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Viúdez, A [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © 2015 Taylor & Francis 2015 |
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| Schlagwörter: |
Spheroidal pressure anomaly gradients Solid-body rotation geophysical vortices |
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| Übergeordnetes Werk: |
Enthalten in: Geophysical and astrophysical fluid dynamics - New York, NY [u.a.] : Gordon and Breach, 1977, 110(2016), 1, Seite 50 |
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| Übergeordnetes Werk: |
volume:110 ; year:2016 ; number:1 ; pages:50 |
| Links: |
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| DOI / URN: |
10.1080/03091929.2015.1118474 |
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OLC1971788902 |
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| 520 | |a The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. | ||
| 540 | |a Nutzungsrecht: © 2015 Taylor & Francis 2015 | ||
| 650 | 4 | |a Isolated geophysical vortices | |
| 650 | 4 | |a Spheroidal pressure anomaly gradients | |
| 650 | 4 | |a Solid-body rotation geophysical vortices | |
| 650 | 4 | |a Cyclo-geostrophic balance | |
| 650 | 4 | |a Axisymmetric geophysical vortices | |
| 650 | 4 | |a Vortices | |
| 650 | 4 | |a Geophysics | |
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10.1080/03091929.2015.1118474 doi PQ20160307 (DE-627)OLC1971788902 (DE-599)GBVOLC1971788902 (PRQ)i1376-199f76cdb3d3d757ed3c7034ebc2505a1f085049616a46f6299ed2c69a46eb490 (KEY)0046203920160000110000100050isolatedspheroidalgeophysicalvortices DE-627 ger DE-627 rakwb eng 520 550 DNB Viúdez, A verfasserin aut Isolated spheroidal geophysical vortices 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. Nutzungsrecht: © 2015 Taylor & Francis 2015 Isolated geophysical vortices Spheroidal pressure anomaly gradients Solid-body rotation geophysical vortices Cyclo-geostrophic balance Axisymmetric geophysical vortices Vortices Geophysics Enthalten in Geophysical and astrophysical fluid dynamics New York, NY [u.a.] : Gordon and Breach, 1977 110(2016), 1, Seite 50 (DE-627)130477931 (DE-600)750678-8 (DE-576)016068017 0309-1929 nnns volume:110 year:2016 number:1 pages:50 http://dx.doi.org/10.1080/03091929.2015.1118474 Volltext http://www.tandfonline.com/doi/abs/10.1080/03091929.2015.1118474 http://search.proquest.com/docview/1767661146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OLC-AST SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 AR 110 2016 1 50 |
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10.1080/03091929.2015.1118474 doi PQ20160307 (DE-627)OLC1971788902 (DE-599)GBVOLC1971788902 (PRQ)i1376-199f76cdb3d3d757ed3c7034ebc2505a1f085049616a46f6299ed2c69a46eb490 (KEY)0046203920160000110000100050isolatedspheroidalgeophysicalvortices DE-627 ger DE-627 rakwb eng 520 550 DNB Viúdez, A verfasserin aut Isolated spheroidal geophysical vortices 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. Nutzungsrecht: © 2015 Taylor & Francis 2015 Isolated geophysical vortices Spheroidal pressure anomaly gradients Solid-body rotation geophysical vortices Cyclo-geostrophic balance Axisymmetric geophysical vortices Vortices Geophysics Enthalten in Geophysical and astrophysical fluid dynamics New York, NY [u.a.] : Gordon and Breach, 1977 110(2016), 1, Seite 50 (DE-627)130477931 (DE-600)750678-8 (DE-576)016068017 0309-1929 nnns volume:110 year:2016 number:1 pages:50 http://dx.doi.org/10.1080/03091929.2015.1118474 Volltext http://www.tandfonline.com/doi/abs/10.1080/03091929.2015.1118474 http://search.proquest.com/docview/1767661146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OLC-AST SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 AR 110 2016 1 50 |
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10.1080/03091929.2015.1118474 doi PQ20160307 (DE-627)OLC1971788902 (DE-599)GBVOLC1971788902 (PRQ)i1376-199f76cdb3d3d757ed3c7034ebc2505a1f085049616a46f6299ed2c69a46eb490 (KEY)0046203920160000110000100050isolatedspheroidalgeophysicalvortices DE-627 ger DE-627 rakwb eng 520 550 DNB Viúdez, A verfasserin aut Isolated spheroidal geophysical vortices 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. Nutzungsrecht: © 2015 Taylor & Francis 2015 Isolated geophysical vortices Spheroidal pressure anomaly gradients Solid-body rotation geophysical vortices Cyclo-geostrophic balance Axisymmetric geophysical vortices Vortices Geophysics Enthalten in Geophysical and astrophysical fluid dynamics New York, NY [u.a.] : Gordon and Breach, 1977 110(2016), 1, Seite 50 (DE-627)130477931 (DE-600)750678-8 (DE-576)016068017 0309-1929 nnns volume:110 year:2016 number:1 pages:50 http://dx.doi.org/10.1080/03091929.2015.1118474 Volltext http://www.tandfonline.com/doi/abs/10.1080/03091929.2015.1118474 http://search.proquest.com/docview/1767661146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OLC-AST SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 AR 110 2016 1 50 |
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10.1080/03091929.2015.1118474 doi PQ20160307 (DE-627)OLC1971788902 (DE-599)GBVOLC1971788902 (PRQ)i1376-199f76cdb3d3d757ed3c7034ebc2505a1f085049616a46f6299ed2c69a46eb490 (KEY)0046203920160000110000100050isolatedspheroidalgeophysicalvortices DE-627 ger DE-627 rakwb eng 520 550 DNB Viúdez, A verfasserin aut Isolated spheroidal geophysical vortices 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. Nutzungsrecht: © 2015 Taylor & Francis 2015 Isolated geophysical vortices Spheroidal pressure anomaly gradients Solid-body rotation geophysical vortices Cyclo-geostrophic balance Axisymmetric geophysical vortices Vortices Geophysics Enthalten in Geophysical and astrophysical fluid dynamics New York, NY [u.a.] : Gordon and Breach, 1977 110(2016), 1, Seite 50 (DE-627)130477931 (DE-600)750678-8 (DE-576)016068017 0309-1929 nnns volume:110 year:2016 number:1 pages:50 http://dx.doi.org/10.1080/03091929.2015.1118474 Volltext http://www.tandfonline.com/doi/abs/10.1080/03091929.2015.1118474 http://search.proquest.com/docview/1767661146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OLC-AST SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 AR 110 2016 1 50 |
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10.1080/03091929.2015.1118474 doi PQ20160307 (DE-627)OLC1971788902 (DE-599)GBVOLC1971788902 (PRQ)i1376-199f76cdb3d3d757ed3c7034ebc2505a1f085049616a46f6299ed2c69a46eb490 (KEY)0046203920160000110000100050isolatedspheroidalgeophysicalvortices DE-627 ger DE-627 rakwb eng 520 550 DNB Viúdez, A verfasserin aut Isolated spheroidal geophysical vortices 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. Nutzungsrecht: © 2015 Taylor & Francis 2015 Isolated geophysical vortices Spheroidal pressure anomaly gradients Solid-body rotation geophysical vortices Cyclo-geostrophic balance Axisymmetric geophysical vortices Vortices Geophysics Enthalten in Geophysical and astrophysical fluid dynamics New York, NY [u.a.] : Gordon and Breach, 1977 110(2016), 1, Seite 50 (DE-627)130477931 (DE-600)750678-8 (DE-576)016068017 0309-1929 nnns volume:110 year:2016 number:1 pages:50 http://dx.doi.org/10.1080/03091929.2015.1118474 Volltext http://www.tandfonline.com/doi/abs/10.1080/03091929.2015.1118474 http://search.proquest.com/docview/1767661146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OLC-AST SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 AR 110 2016 1 50 |
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Enthalten in Geophysical and astrophysical fluid dynamics 110(2016), 1, Seite 50 volume:110 year:2016 number:1 pages:50 |
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The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. 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The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. |
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The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. |
| abstract_unstemmed |
The steady flow of three-dimensional isolated axisymmetric baroclinic geophysical vortices in cyclo-geostrophic and hydrostatic balance with spheroidal pressure anomaly gradients is investigated through the analysis of three-parameter vortex families. The vortices have an inner core in near solid-body rotation and zero, or negligibly small, pressure anomaly gradient at the vortex boundary. Thus, these isolated vortices have zero amount of potential vorticity anomaly. As the vortex amplitude parameter is increased in cyclones, static instability at some depth along the vortex vertical axis is reached before centrifugal instability occurs at the minimum of negative vertical vorticity at the surface vortex outer core. In anticyclones, as increases, centrifugal instability occurs before static instability at the vortex centre. The first vortex family analyzed, denoted , is characterized by spheroidal pressure anomaly gradients such that the first (integer part of p) derivatives of at the vortex centre , and the first derivatives of F(p, q; x) at the vortex boundary are zero. For comparison purposes two other three-parameter vortex families are introduced, namely the exponential and the hyperbolic tangent vortex families. The relation between the parameter values in each vortex family leading to statically stable vortices is provided. The main static instability properties of the three vortex families are similar, but each vortex family has their own qualities which make them more or less appropriate to a particular application. |
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