Present Doppler-spreading models for short internal waves in the atmosphere and the ocean either neglect the time dependence of the background long-wave shear entirely, or ignore time-dependent effects in their parameterization of dissipation. We use ray and numerical simulations to examine the Doppler spreading of a short internal-wave packet by an inertia-wave packet. The results are enough to show that tune dependence in the long-wave shear can make a significant difference to short-wave behavior, and will need to be taken into account in future modelling efforts. Copyright 1997 by the American Geophysical Union.
CITATION STYLE
Broutman, D., Macaskill, C., McIntyre, M. E., & Rottman, J. W. (1997). On Doppler-spreading models of internal waves. Geophysical Research Letters, 24(22), 2813–2816. https://doi.org/10.1029/97GL52902
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