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Zonal flow as pattern formation
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10.1063/1.4828717
/content/aip/journal/pop/20/10/10.1063/1.4828717
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/10/10.1063/1.4828717
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Merging jets during the transient regime of Eq. (1) (zonal-mean velocity is shown). (b) Merging behavior in the amplitude Eq. (3) [ is shown].

Image of FIG. 2.
FIG. 2.

Zonal flow amplitude , as a function of ideal state wave number at (a) and (b) . In the unshaded region, ideal states are stable. The vertical lines correspond to various instabilities which separate the regions (see Fig. 3 ).

Image of FIG. 3.
FIG. 3.

Stability diagram for the CE2 equations. Above the neutral curve (N), the homogeneous turbulent state is zonostrophically unstable. Ideal states are stable within the marginal stability curve . The stability curve is consistent with the dominant ZF wave number from independent QL simulations (crosses). The stationary ideal states vanish to the left of . Here,  = 0.06,  = 0.08,  = 20,  = 33,  = 5, and other parameters are given in the text.

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/content/aip/journal/pop/20/10/10.1063/1.4828717
2013-10-29
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Zonal flow as pattern formation
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/10/10.1063/1.4828717
10.1063/1.4828717
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