Case Studies of Mesopheric Gravity-Wave Breaking in Lidar Data

Details Case Studies of Mesopheric Gravity-Wave Breaking in Lidar Data Case Studies of Mesopheric Gravity-Wave Breaking in Lidar Data

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsa51a0495f&link_type=abstract

American Geophysical Union, Fall Meeting 2003, abstract #SA51A-0495

Physics

3332 Mesospheric Dynamics, 3334 Middle Atmosphere Dynamics (0341, 0342), 3384 Waves And Tides

Scientific paper

Lidar derived temperatures reveal dramatic episodes of gravity-wave breaking on every night during several campaigns at the Starfire Optical Range (SOR) in New Mexico, USA. Potential temperatures,derived assuming hydrostatic balance, reveal vertical parcel displacements of greater than 10 km over timescales of hours, as well as breaking events that create isentropic layers of kilometer thickness. These events results from complex interactions between intermediate period waves and the tidally determined background state. Both synoptic and spectral analyses will be presented that give insight into the dynamics of these events. Estimates of wave-associated vertical heat and momentum fluxes, calculated using lidar-doppler velocities, will also be shown.

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