Observation of Gravity Wave Momentum Deposition in the Mesosphere Using the Arecibo Dual Beam Incoherent Scatter Radar

Details Observation of Gravity Wave Momentum Deposition in the Mesosphere Using the Arecibo Dual Beam Incoherent Scatter Radar Observation of Gravity Wave Momentum Deposition in the Mesosphere Using the Arecibo Dual Beam Incoherent Scatter Radar

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsa21a..02z&link_type=abstract

American Geophysical Union, Spring Meeting 2002, abstract #SA21A-02

Physics

0342 Middle Atmosphere: Energy Deposition

Scientific paper

The Arecibo Observatory has recently added a second antenna to the 430 MHz incoherent scatter system. This makes possible the observation of momentum flux in the mesosphere where the line-of-sight velocity can be accurately measured in a short integration time. Here we report the first such measurements at Arecibo. The dominant gravity wave periods observed are around 15 to 30 minutes. The result shows that shear instability appear to be associated with large momentum deposition.

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