Nonlinear dynamics of the circulation variability in the western ocean
Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Khar’kov, B. V. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2007 |
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| Schlagwörter: |
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| Anmerkung: |
© Pleiades Publishing, Inc. 2007 |
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| Übergeordnetes Werk: |
Enthalten in: Oceanology - Nauka/Interperiodica, 1966, 47(2007), 2 vom: Apr., Seite 161-171 |
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| Übergeordnetes Werk: |
volume:47 ; year:2007 ; number:2 ; month:04 ; pages:161-171 |
| Links: |
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| DOI / URN: |
10.1134/S0001437007020038 |
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OLC2071611284 |
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| 520 | |a Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. | ||
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10.1134/S0001437007020038 doi (DE-627)OLC2071611284 (DE-He213)S0001437007020038-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Khar’kov, B. V. verfasserin aut Nonlinear dynamics of the circulation variability in the western ocean 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2007 Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. Vorticity Periodic Solution Stream Function Gulf Stream Subtropical Gyre Enthalten in Oceanology Nauka/Interperiodica, 1966 47(2007), 2 vom: Apr., Seite 161-171 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:47 year:2007 number:2 month:04 pages:161-171 https://doi.org/10.1134/S0001437007020038 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_201 GBV_ILN_381 AR 47 2007 2 04 161-171 |
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10.1134/S0001437007020038 doi (DE-627)OLC2071611284 (DE-He213)S0001437007020038-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Khar’kov, B. V. verfasserin aut Nonlinear dynamics of the circulation variability in the western ocean 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2007 Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. Vorticity Periodic Solution Stream Function Gulf Stream Subtropical Gyre Enthalten in Oceanology Nauka/Interperiodica, 1966 47(2007), 2 vom: Apr., Seite 161-171 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:47 year:2007 number:2 month:04 pages:161-171 https://doi.org/10.1134/S0001437007020038 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_201 GBV_ILN_381 AR 47 2007 2 04 161-171 |
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10.1134/S0001437007020038 doi (DE-627)OLC2071611284 (DE-He213)S0001437007020038-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Khar’kov, B. V. verfasserin aut Nonlinear dynamics of the circulation variability in the western ocean 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2007 Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. Vorticity Periodic Solution Stream Function Gulf Stream Subtropical Gyre Enthalten in Oceanology Nauka/Interperiodica, 1966 47(2007), 2 vom: Apr., Seite 161-171 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:47 year:2007 number:2 month:04 pages:161-171 https://doi.org/10.1134/S0001437007020038 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_201 GBV_ILN_381 AR 47 2007 2 04 161-171 |
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10.1134/S0001437007020038 doi (DE-627)OLC2071611284 (DE-He213)S0001437007020038-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Khar’kov, B. V. verfasserin aut Nonlinear dynamics of the circulation variability in the western ocean 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2007 Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. Vorticity Periodic Solution Stream Function Gulf Stream Subtropical Gyre Enthalten in Oceanology Nauka/Interperiodica, 1966 47(2007), 2 vom: Apr., Seite 161-171 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:47 year:2007 number:2 month:04 pages:161-171 https://doi.org/10.1134/S0001437007020038 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_201 GBV_ILN_381 AR 47 2007 2 04 161-171 |
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10.1134/S0001437007020038 doi (DE-627)OLC2071611284 (DE-He213)S0001437007020038-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Khar’kov, B. V. verfasserin aut Nonlinear dynamics of the circulation variability in the western ocean 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2007 Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. Vorticity Periodic Solution Stream Function Gulf Stream Subtropical Gyre Enthalten in Oceanology Nauka/Interperiodica, 1966 47(2007), 2 vom: Apr., Seite 161-171 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:47 year:2007 number:2 month:04 pages:161-171 https://doi.org/10.1134/S0001437007020038 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_40 GBV_ILN_201 GBV_ILN_381 AR 47 2007 2 04 161-171 |
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Nonlinear dynamics of the circulation variability in the western ocean |
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Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. © Pleiades Publishing, Inc. 2007 |
| abstractGer |
Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. © Pleiades Publishing, Inc. 2007 |
| abstract_unstemmed |
Abstract The nonlinear dynamics of the low-frequency variability of a mid-latitude ocean are studied. The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. Their intensities and the intensity of the recirculation gyre in the western boundary current are found to oscillate with a period of about five years. © Pleiades Publishing, Inc. 2007 |
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| title_short |
Nonlinear dynamics of the circulation variability in the western ocean |
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https://doi.org/10.1134/S0001437007020038 |
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10.1134/S0001437007020038 |
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2024-07-04T03:50:22.874Z |
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The mechanism of the separation of the western boundary current from the western wall, as well as the meridional displacements of the separation point and the separated eastward jet, is analyzed. A regional barotropic quasigeostrophic eddy-resolving numerical model is used for the analysis. The flow in a rectangular domain is simulated by the constant inflow and outflow of fluid through the boundaries. A regime when the nonlinearity prevails over the dissipation and the advection and β terms are of the same order of magnitude is considered, which is characteristic of the actual ocean. When the nonlinearity exceeds the threshold value, a periodic solution is obtained. The solution is determined by the nonslip boundary condition at the western wall. The solution obtained is studied in detail. The meridional displacements of the western boundary current separation point with respect to the western wall and the separated eastward jet can reach a few hundred kilometers. 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