کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1863474 | 1037660 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of scalar nonlinearity on zonal flow generation by Rossby waves
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک و نجوم (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of scalar nonlinearity on zonal flow generation by Rossby waves Effect of scalar nonlinearity on zonal flow generation by Rossby waves](/preview/png/1863474.png)
چکیده انگلیسی
Effects of scalar nonlinearity on the generation of zonal flow by Rossby waves in shallow rotating fluid are considered. Zonal flows are generated via the action of Reynolds stress due to vector nonlinearity together with the effects of scalar nonlinearity. It is shown that the scalar nonlinearity reduces the amplitude threshold of the zonal flow instability. In addition, it increases the range of wave vectors of unstable modes subjected to the instability. The growth rate of the instability as a function of the spectrum of primary waves is calculated. The spectrum is assumed to be arbitrary with emphasizing the case of two monochromatic waves.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 369, Issue 3, 17 September 2007, Pages 218-221
Journal: Physics Letters A - Volume 369, Issue 3, 17 September 2007, Pages 218-221
نویسندگان
A.B. Mikhailovskii, J.G. Lominadze, N.N. Erokhin, N.S. Erokhin, A.I. Smolyakov, V.S. Tsypin,