Simultaneous Measurements of the Stratosphere and Mesopause Thermal Structure over the Starfire Optical Range

Details Simultaneous Measurements of the Stratosphere and Mesopause Thermal Structure over the Starfire Optical Range Simultaneous Measurements of the Stratosphere and Mesopause Thermal Structure over the Starfire Optical Range

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sa61a04m&link_type=abstract

American Geophysical Union, Spring Meeting 2001, abstract #SA61A-04

Physics

0350 Pressure, Density, And Temperature, 3332 Mesospheric Dynamics, 3334 Middle Atmosphere Dynamics (0341, 0342), 3360 Remote Sensing, 3384 Waves And Tides

Scientific paper

Simultaneous measurements of the stratosphere and mesopause thermal structure for altitudes between 30 to 60 km and 80 to 105 km were obtained at the Phillips Laboratory Starfire Optical Range(SOR, 34.96 N, 106.46 W) for 58 nights within the years of 1998 to 2000. The distribution of the nights throughout the year was relatively uniform. The sodium temperature measurements were made with a ring dye laser transmitter utilizing the coude focus of the SOR 3.7 meter steerable telescope. Observations of the sodium doppler shifts were made in the cardinal directions with a zenith angle of 10 degrees. The altitude and temporal resolutions for the sodium wind and temperature measurements were ~500 m and ~1.5 minutes. The stratosphere temperature profiles were retrieved by calculating the relative density profiles from the backscattered Rayleigh light at the sodium 589 nm wavelength and retrieving the temperature profile by application of the ideal gas law and hydrostatic equilibrium in the analysis. The zenith density profiles collected over the whole night were averaged for this analysis. The temperature results were compiled to form a database that was examined for the annual variations of the stratospheric and mesopause thermal structure as averaged over the three years of observations. Case studies of the gravity wave and tidal dynamics in the stratosphere and mesopause regions will be presented as well.

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