HR: 0830h
AN: A51A-01    [Abstracts]
TI: A Further Look of Decadal Variations of Total Column and Upper Stratospheric Ozone
AU: * Zhou, S
EM: shuntai.zhou@noaa.gov
AF: NOAA/NCEP/Climate Prediction Center, 5200 Auth Rd., Room 806, Camp Springs, MD 20746 United States
AB: The most recently reprocessed SBUV(/2) total ozone and ozone profile data (version 8) are used to study decadal ozone variations including trend and solar cycle effect. This improved data set removes many of the problems encountered in the original version 6 and extends the data base to 25 years, about two solar cycles (1979-2004). To utilize this data properly, however, we must still remove systematic inter-satellite differences in the ozone data and examine each satellite for possible drift in the measurements. For this study, all the satellite data (total ozone and profile) are adjusted through comparison with ground-based measurements and using satellite overlap periods. Following this, spectral analyses and multiple regressions are performed to determine the decadal variability of total column and upper stratospheric ozone. The new results are compared with the previous analyses based on shorter time periods as well as with model simulations.
DE: 0340 Middle atmosphere--composition and chemistry
DE: 1600 GLOBAL CHANGE (New category)
DE: 1610 Atmosphere (0315, 0325)
DE: 2162 Solar cycle variations (7536)
DE: 3334 Middle atmosphere dynamics (0341, 0342)
SC: Atmospheric Sciences [A]
MN: 2005 Joint Assembly