Temporal variability of the MLTI region observed through five years of SABER and TIMED

Details Temporal variability of the MLTI region observed through five years of SABER and TIMED Temporal variability of the MLTI region observed through five years of SABER and TIMED

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsa24a..07r&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SA24A-07

Computer Science

Sound

0340 Middle Atmosphere: Composition And Chemistry, 0342 Middle Atmosphere: Energy Deposition (3334), 0358 Thermosphere: Energy Deposition (3369), 3359 Radiative Processes

Scientific paper

The Sounding of the Atmosphere using Broadband Emission Radiometry instrument has achieved nearly five years of flawless operation on the NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) satellite. The instrument offers an unprecedented data set of over thirty products including, temperature, density, ozone, atomic species, and thermodynamic parameters. The SABER data exhibit clear signals associated with the decline of the current phase of the solar cycle, particularly in the thermosphere and the NO(v) emission at 5.3 um, which is observed to decrease by a factor of 2.5 since early 2002. Also examined are the evolution of the thermal structure and chemical composition during the five years in orbit. Mesospheric temperatures are observed to decrease over the period, with the largest decreases observed at the highest altitudes measured by SABER. These measurements will be reviewed and placed in the context of the atmospheric response to solar variability.

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