Statistics – Computation
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsa32b..04c&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SA32B-04
Statistics
Computation
3360 Remote Sensing, 0394 Instruments And Techniques
Scientific paper
The Ozone Mapping and Profiler Suite (OMPS) on selected spacecraft of the National Polar-orbiting Operational Environmental Satellite System (NPOESS) will determine total column amounts and limb profiles of ozone on a global basis beginning about 2009. The OMPS Limb Profiler will measure near-UV, visible and near-IR sunlight scattered by the Earth's limb. The operational limb scatter inversion algorithm for the OMPS Limb Profiler is being developed by Raytheon. This paper compares the operational algorithm to various algorithms implemented on a limb scatter inversion testbed being developed by Computational Physics, Inc. and the Naval Research Laboratory. The same forward model is used in all cases, as well as Rodger's formulation of nonliner optimal estimation. However, the Raytheon algorithm sequentially updates first the aerosol and then ozone amounts during each iteration loop, while the testbed algorithms update the aerosol and ozone amounts, simultaneously. Some of the testbed algorithms also invert different functions of measured radiances than does the operational algorithm. Error analyses quantify the vertical smoothing and the effect of random noise on each algorithm, and the run times of the various algorithms are also compared.
Bevilacqua Riccardo
Colón Edward
Flittner D.
Hornstein John
Larsen Janus
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