Numerical modeling of ducted gravity waves: Impacts of multiple gravity wave sources

Details Numerical modeling of ducted gravity waves: Impacts of multiple gravity wave sources Numerical modeling of ducted gravity waves: Impacts of multiple gravity wave sources

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa41a1546l&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SA41A-1546

Physics

3332 Mesospheric Dynamics, 3334 Middle Atmosphere Dynamics (0341, 0342), 3384 Acoustic-Gravity Waves

Scientific paper

We present numerical simulations of mesospheric inversion layer-ducted gravity waves in the mesopause as generated by spatially and spectrally varying tropospheric gravity wave sources. Specifically, when multiple gravity wave sources are allowed to generate gravity waves and allowed to propagate into the mesopause, a portion of the resultant gravity wave spectrum is ducted by the artificial mesospheric inversion layer. The resultant ducted wave signature (i.e., that which would be observed by an all-sky imager or photometer) is studied in detail and compared to experimental observations. We find that there are a number of tropospheric sources configurations that can form the signature of a mesospheric front, like a mesospheric bore.

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