Skip to main content
U.S. flag

An official website of the United States government

Dot Gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Stokes Parameter Analysis of A Packet of Turbulence-generating Gravity Waves


Stokes parameter analysis for small-scale gravity waves was carried out from a set of aircraft observational data. The goal is to understand the polarization properties associated with gravity waves when turbulence is generated so that enough physical knowledge can be gained about the interaction between the two. A wavelet cross-spectrum technique is introduced into the traditional Stokes parameter analysis. From this analysis it is shown that small-scale gravity waves possess distinctive polarization signatures. Further extension of the Stokes parameter analysis by a wave-averaging method is also proposed. The analysis using this method indicates that the turbulence production is closely related to an enhanced level of polarization and coherency in the two components of the horizontal wind in the gravity waves and that the turbulence surge is accompanied by a tendency for an instantaneous reduction of polarization and abrupt shift of horizontal wave vector of the progenitor gravity waves. These findings may be useful in the prediction of the occurrence of turbulence in association with gravity wave activities in the atmosphere.

Article / Publication Data
Available Metadata
Fiscal Year
Publication Name
Journal of Geophysical Research Atmospheres
Published On
October 01, 2005
Publisher Name
American Geophysical Union
Print Volume
Print Number


Not available


Authors who have authored or contributed to this publication.

  • Ning Wang - Not Positioned Gsl
    Cooperative Institute for Research in the Atmosphere, Colorado State University
    NOAA/Global Systems Laboratory