Sciamachy solar and lunar occultation: validation of ozone, No2 and No3 profiles

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dc.contributor.authorAmekudzi, L. K.
dc.contributor.authorBramstedt, K.
dc.contributor.authorBracher, A.
dc.contributor.authorRozanov, A.
dc.contributor.authorBovensmann, H.
dc.contributor.authorBurrows, J. P.
dc.date.accessioned2019-12-10T10:08:00Z
dc.date.accessioned2023-04-19T01:31:23Z
dc.date.available2019-12-10T10:08:00Z
dc.date.available2023-04-19T01:31:23Z
dc.date.issued2007-02
dc.descriptionAn article published by ESRIN, Frascati, Italy (ESA SP-642,February 2007)en_US
dc.description.abstractUsing a global spectra fitting method by the differential optical depth within the radiative transfer and retrieval code SCIATRAN 2.1, vertical profiles of stratospheric traces gases are derived from SCIAMACHY solar and lunar occultation transmission spectra. From solar occultation observations ozone and NO2 profiles have been retrieved, from lunar occultation measurements ozone, NO2, and NO3 profiles have been derived. To access the quality of the SCIAMACHY occultation retrieved products a validation study was carried out, by comparing the retrieved ozone and NO2 profiles to correlative observations of other satellite instruments. These instruments are the Halogen Occultation Experiment (HALOE), the second Stratospheric Aerosol and Gas Experiment (SAGE II), and The third Polar Ozone and Aerosol Measurement (POAM III) . The NO3 profiles are compared with results from a photochemical model scheme. The validation show good results for SCIAMACHY occultation products. In solar occultion, the deviation of ozone is mostly within 0 % to +10 % for ozone and within 20 % for NO2 over a wide altitude range. In lunar occultation, the agreement is +10% to +20 % for ozone and within 20 % ˙ for NO2 in the main part of the profiles. The NO3 results show good agreement with the model outputs within the accuracy of 35 %.en_US
dc.identifier.citationESRIN, Frascati, Italy (ESA SP-642,February 2007)en_US
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/11827
dc.language.isoenen_US
dc.publisherESRINen_US
dc.subjectStratospheric ozoneen_US
dc.subjectNO2en_US
dc.subjectNO3en_US
dc.subjectvalidationen_US
dc.subjectSCIAMACHYen_US
dc.subjectoccultationen_US
dc.titleSciamachy solar and lunar occultation: validation of ozone, No2 and No3 profilesen_US
dc.typeArticleen_US
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