Total ozone measurements derived from T.O.V.S. radiances |
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Authors: | S. Muller F.R. Cayla |
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Affiliation: | Etablissement d''Etudes et de Recherches Meteorologiques, Meteorologie Nationale, 77, Rue de Sevres, 92106 Boulogne Billancourt, France |
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Abstract: | A new method of total ozone retrieval from i.r. satellite data(NOAA6) is presented. It uses ozone transmittance as a predictor of total ozone. Ozone transmittance at 9.6 μm(TR) is deduced from radiance at 9.6 μm(R9), surface temperature (TS) measured at 11 μm, and ozone mean temperature (TE) estimated from several channels (among them 9.6 μm) by the radiative transfer equation : R9 = B(TS) × TR + (1?TR) × B(TE) where B is the Planck function.A statistical analysis of the retrieved ozone field and a comparison with ground based measurements show that the S.E. is less than 5% for the considered data set. |
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