Physics
Scientific paper
Jul 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28.2605c&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 13, p. 2605-2608
Physics
3
Atmospheric Composition And Structure: Aerosols And Particles, Meteorology And Atmospheric Dynamics: Mesospheric Dynamics, Meteorology And Atmospheric Dynamics: Polar Meteorology, Meteorology And Atmospheric Dynamics: Remote Sensing
Scientific paper
A middle ultraviolet imager over the northern and southern polar regions has measured the scattered intensities of polar mesospheric clouds (PMC) during the austral summer of 1997-98 and the arctic summer of 1999. The intensities, corrected for solar zenith angle, are those at the peak in the PMC radiance profiles for a waveband of 235-263 nm. The peak radiance averaged 12.0+/-11.0 mega-Rayleighs (MR) for 13 passes over the south polar region, where the scattering angle was ~111°. The peak radiance averaged 11.4+/-7.6MR for 12 passes over the north polar region, where the scattering angle was ~48°. The PMC intensities increased with increasing latitude in both the north and the south, but the rate of increase was twice as fast in the south (0.60 MR/° latitude) as in the north (0.32 MR/° latitude).
Carbary James F.
Morrison Douglas
Romick Gerald J.
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