Physics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agusmsa34a..04d&link_type=abstract
American Geophysical Union, Spring Meeting 2005, abstract #SA34A-04
Physics
0310 Airglow And Aurora, 0340 Middle Atmosphere: Composition And Chemistry
Scientific paper
The OSIRIS instrument on the Odin spacecraft has been in operation for over four years. Odin is in a sun-synchronous dusk-dawn orbit and the in plane measurements made by OSIRIS are used to produce very high spatial resolution two dimensional, angle along the satellite track and altitude, maps of the Oxygen InfraRed Atmospheric band airglow. This paper will compare OSIRIS observations to simulations from the NCAR Whole Atmosphere Community Climate Model (WACCM). WACCM is a fully-coupled chemical dynamical global circulation model that covers all altitudes from the surface to the thermosphere. Since the Oxygen InfraRed Atmospheric band airglow depends on the distribution of odd-oxygen (Ox = O + O3), the comparison provides a test of our understanding of mesospheric chemistry under the rapidly changing chemistry near the day night terminator.
Degenstein Douglas Arthur
Llewellyn Edam J.
Marsh Daniel R.
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