Investigating Mesospheric Gravity Wave Momentum Flux Events Using Coordinated Imaging, Na Lidar, and Meteor Radar Data Over Maui, Hawaii

Details Investigating Mesospheric Gravity Wave Momentum Flux Events Using Coordinated Imaging, Na Lidar, and Meteor Radar Data Over Maui, Hawaii Investigating Mesospheric Gravity Wave Momentum Flux Events Using Coordinated Imaging, Na Lidar, and Meteor Radar Data Over Maui, Hawaii

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsa21a0236e&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SA21A-0236

Physics

0310 Airglow And Aurora, 0342 Middle Atmosphere: Energy Deposition (3334), 3334 Middle Atmosphere Dynamics (0341, 0342), 3384 Acoustic-Gravity Waves

Scientific paper

Atmospheric gravity waves strongly influence middle atmosphere circulation and structure by vertically transporting horizontal momentum, heat, and constituents when they experience dissipation. The Utah State University Mesospheric Temperature Mapper (MTM) can obtain propagation information of short-period gravity waves and temperature perturbation by the gravity waves in the mesosphere and lower thermosphere (MLT) region. Transported momentum flux by the gravity waves can be calculated by the wave propagation information and background wind and temperature. However, required resolution of background information for the calculation has not been known well. In this study, we compare results of momentum flux calculated by Na wind/temperature lidar data (exhibiting high time and vertical resolution) and by Meteor Radar (with lower resolution as compared to Na lidar but constant operation). We investigate the advantages of each method for momentum flux measurements.

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