Physics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agusmsa33a..12e&link_type=abstract
American Geophysical Union, Spring Meeting 2007, abstract #SA33A-12
Physics
0300 Atmospheric Composition And Structure, 0310 Airglow And Aurora, 2439 Ionospheric Irregularities, 2774 Radiation Belts, 7974 Solar Effects
Scientific paper
The Global-scale Observations of the Limb and Disk (GOLD) experiment is an ultraviolet imager being considered for flight on a geostationary (GEO) satellite as part of the upcoming Radiation Belt Storm Probes (RBSP) mission. On the daytime disk, high spectral resolution observations will give the first global-scale images of the neutral temperatures in the lower thermosphere (near 150 km). Limb measurements of atmospheric emissions and stellar occultations will provide complementary temperature data at higher altitudes, as well as a direct measurement of the thermospheric O2 density profile. In addition, GOLD will perform more familiar measurements, such as the atomic oxygen to molecular nitrogen (O/N2) ratio and night-time O+ density. From GEO, GOLD will almost continuously observe the same hemisphere and provide daily measurements at all local times. The simultaneous measurements of (O/N2) and neutral temperature will enable advances in ionosphere-thermosphere modeling capabilities and allow us to understand: (1) the global- scale response of the thermosphere and ionosphere to geomagnetic and solar forcing; (2) the global-scale tidal amplitude and phase variations; and (3) the causes of small-scale ionospheric density irregularities.
Aksnes A.
Anderson Daniel
Andersson L.-L.
Budzien Scott
Burns A. A.
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