Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsa51a1207p&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SA51A-1207
Astronomy and Astrophysics
Astrophysics
[0310] Atmospheric Composition And Structure / Airglow And Aurora, [1650] Global Change / Solar Variability, [3334] Atmospheric Processes / Middle Atmosphere Dynamics, [7536] Solar Physics, Astrophysics, And Astronomy / Solar Activity Cycle
Scientific paper
Infrared nighttime hydroxyl-airglow column emission rates derived from the SABER instrument, aboard the NASA TIMED satellite, are presented for the January 2002 through August 2009 period of the current solar cycle. The SABER 1.6 μm and 2.0 μm radiometric channels provide measurements, respectively, of the OH (9,7), (8,6) and (5,3), (4,2) molecular vibration transitions resulting from the hydration of ozone at altitudes around the mesopause. Correlations are made with solar activity parameters, including sunspot counts, F10.7 cm radio flux, and magnetic Ap index. Periodicities observed in selected temporal intervals of the OH airglow emission time series during the solar cycle are reported. Equatorial and mid-latitude zonal differences are investigated.
Baker David John
Erni N. M.
Mlynczak Martin G.
Pound A. E.
Russell James M.
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