Physics
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsa52a..02w&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SA52A-02
Physics
0310 Airglow And Aurora, 0340 Middle Atmosphere: Composition And Chemistry, 0350 Pressure, Density, And Temperature, 0360 Transmission And Scattering Of Radiation
Scientific paper
The SABER instrument on TIMED is providing extremely high-quality limb radiance data in ten spectral regions. In this paper we present an overview of data from the four CO2 channels: (1) the three 15 μ m channels, which will be used routinely to retrieve temperature and pressure up to 100 km and (2) the 4.3 μ m channel, which will provide the CO2 volume mixing ratio in the mesosphere and above. The coverage is continuous and near-global, from the lower stratosphere to the lower thermosphere. In the 4.3 μ m channel there are useful data up to 130 km at night and 200 km during daytime, far higher than any previous measurements. We will summarize the principal features of the daytime and nighttime data, emphasizing the variability that is seen and the dependence on latitude, season, and geophysical conditions. We will also discuss the important outstanding science issues that will be addressed by studies using these data.
Garcia-Comas Maya
Gordley Larry L.,
Lopez-Puertas Manuel
Marshall Benjamin T.
Mertens Chris J.
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