Computer Science – Sound
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsa32b..01l&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SA32B-01
Computer Science
Sound
3260 Inverse Theory, 0340 Middle Atmosphere: Composition And Chemistry, 0360 Transmission And Scattering Of Radiation, 0394 Instruments And Techniques, 1610 Atmosphere (0315, 0325)
Scientific paper
The SOLSE (Shuttle Ozone Limb Sounding Experiment) and LORE (Limb Ozone Retrieval Experiment) instruments are scheduled for reflight on Space Shuttle flight STS-107 in July 2002. In addition, the SAGE III (Stratospheric Aerosol and Gas Experiment) instrument will begin to make limb scattering measurements during Spring 2002. The optimal estimation technique is used to analyze visible and ultraviolet limb scattered radiances and produce a retrieved ozone profile. The algorithm used to analyze data from the initial flight of the SOLSE/LORE instruments (on Space Shuttle flight STS-87 in November 1997) forms the basis of the current algorithms, with expansion to take advantage of the increased multispectral information provided by SOLSE/LORE-2 and SAGE III. We also present detailed sensitivity analysis for these ozone retrieval algorithms. The primary source of ozone retrieval error is tangent height misregistration (i.e., instrument pointing error), which is relevant throughout the altitude range of interest, and can produce retrieval errors on the order of 10-20% due to a tangent height registration error of 0.5 km at the tangent point. Other significant sources of error are sensitivity to stratospheric aerosol and sensitivity to error in the a priori ozone estimate (given assumed instrument signal-to-noise = 200). These can produce errors up to 10% for the ozone retrieval at altitudes less than 20 km, but produce little error above that level.
Bhartia Pawan K.
Flittner David E.
Herman Benjamin M.
Hilsenrath Ernest
Loughman Robert P.
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