acoustic-gravity nonlinear structures

Clicks: 13
ID: 249416
2002
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Abstract
A catalogue of nonlinear vortex structures associated with acoustic-gravity perturbations in the Earth's atmosphere is presented. Besides the previously known Kelvin-Stewart cat's eyes, dipolar and tripolar structures, new solutions having the form of a row of counter-rotating vortices, and several weakly two-dimensional vortex chains are given. The existence conditions for these nonlinear structures are discussed with respect to the presence of inhomogeneities of the shear flows. The mode-coupling mechanism for the nonlinear generation of shear flows in the presence of linearly unstable acoustic-gravity waves, possibly also leading to intermittency and chaos, is presented.
Reference Key
jovanovi2002nonlinearacoustic-gravity Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;D. Jovanović;L. Stenflo;P. K. Shukla
Journal BMC research notes
Year 2002
DOI
DOI not found
URL
http://www.nonlin-processes-geophys.net/9/333/2002/npg-9-333-2002.pdf
Keywords
cosmic physics sciencephysicsgeophysics

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