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On the large-scale dynamics of f−plane zonally symmetric circulations
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| Zeitschriftentitel: | AIP Advances |
|---|---|
| Personen und Körperschaften: | , |
| In: | AIP Advances, 9, 2019, 1 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
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| Schlagwörter: |
| author_facet |
Kieu, Chanh Wang, Quan Kieu, Chanh Wang, Quan |
|---|---|
| author |
Kieu, Chanh Wang, Quan |
| spellingShingle |
Kieu, Chanh Wang, Quan AIP Advances On the large-scale dynamics of f−plane zonally symmetric circulations General Physics and Astronomy |
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kieu, chanh |
| spelling |
Kieu, Chanh Wang, Quan 2158-3226 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.5051737 <jats:p>In this study, an f-plane dynamical model for incompressible flows is presented to examine the mechanisms underlying the structure and stability of large-scale zonally symmetric circulations. Analyses based on the Principle of Exchange of Stabilities reveal that this zonally symmetric model possesses a single-cell structure in the absence of the Coriolis force, similar to the single-cell general atmospheric circulation in the absence of the Earth’s rotation as previously hypothesized. The circulation, however, bifurcates into a triple-cell structure in the presence of the Coriolis force if the vertical temperature gradient, the rotational rate, and the momentum eddy coefficients satisfy a certain constraint. Further analyses of this triple-cell structure as a result of the Coriolis force show that this structure is topologically stable, thus offering new insight into the highly resilient structure of the Earth’s atmospheric global circulations.</jats:p> On the large-scale dynamics of <i>f</i>−plane zonally symmetric circulations AIP Advances |
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| title |
On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_unstemmed |
On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_full |
On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_fullStr |
On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_full_unstemmed |
On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_short |
On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_sort |
on the large-scale dynamics of <i>f</i>−plane zonally symmetric circulations |
| topic |
General Physics and Astronomy |
| url |
http://dx.doi.org/10.1063/1.5051737 |
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2019 |
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<jats:p>In this study, an f-plane dynamical model for incompressible flows is presented to examine the mechanisms underlying the structure and stability of large-scale zonally symmetric circulations. Analyses based on the Principle of Exchange of Stabilities reveal that this zonally symmetric model possesses a single-cell structure in the absence of the Coriolis force, similar to the single-cell general atmospheric circulation in the absence of the Earth’s rotation as previously hypothesized. The circulation, however, bifurcates into a triple-cell structure in the presence of the Coriolis force if the vertical temperature gradient, the rotational rate, and the momentum eddy coefficients satisfy a certain constraint. Further analyses of this triple-cell structure as a result of the Coriolis force show that this structure is topologically stable, thus offering new insight into the highly resilient structure of the Earth’s atmospheric global circulations.</jats:p> |
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| description | <jats:p>In this study, an f-plane dynamical model for incompressible flows is presented to examine the mechanisms underlying the structure and stability of large-scale zonally symmetric circulations. Analyses based on the Principle of Exchange of Stabilities reveal that this zonally symmetric model possesses a single-cell structure in the absence of the Coriolis force, similar to the single-cell general atmospheric circulation in the absence of the Earth’s rotation as previously hypothesized. The circulation, however, bifurcates into a triple-cell structure in the presence of the Coriolis force if the vertical temperature gradient, the rotational rate, and the momentum eddy coefficients satisfy a certain constraint. Further analyses of this triple-cell structure as a result of the Coriolis force show that this structure is topologically stable, thus offering new insight into the highly resilient structure of the Earth’s atmospheric global circulations.</jats:p> |
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| spelling | Kieu, Chanh Wang, Quan 2158-3226 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.5051737 <jats:p>In this study, an f-plane dynamical model for incompressible flows is presented to examine the mechanisms underlying the structure and stability of large-scale zonally symmetric circulations. Analyses based on the Principle of Exchange of Stabilities reveal that this zonally symmetric model possesses a single-cell structure in the absence of the Coriolis force, similar to the single-cell general atmospheric circulation in the absence of the Earth’s rotation as previously hypothesized. The circulation, however, bifurcates into a triple-cell structure in the presence of the Coriolis force if the vertical temperature gradient, the rotational rate, and the momentum eddy coefficients satisfy a certain constraint. Further analyses of this triple-cell structure as a result of the Coriolis force show that this structure is topologically stable, thus offering new insight into the highly resilient structure of the Earth’s atmospheric global circulations.</jats:p> On the large-scale dynamics of <i>f</i>−plane zonally symmetric circulations AIP Advances |
| spellingShingle | Kieu, Chanh, Wang, Quan, AIP Advances, On the large-scale dynamics of f−plane zonally symmetric circulations, General Physics and Astronomy |
| title | On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_full | On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_fullStr | On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_full_unstemmed | On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_short | On the large-scale dynamics of f−plane zonally symmetric circulations |
| title_sort | on the large-scale dynamics of <i>f</i>−plane zonally symmetric circulations |
| title_unstemmed | On the large-scale dynamics of f−plane zonally symmetric circulations |
| topic | General Physics and Astronomy |
| url | http://dx.doi.org/10.1063/1.5051737 |