Current retrieval and inter-comparisons results of Sciamachy Nighttime Nox

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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.accessioned2019-11-14T10:08:30Z
dc.date.accessioned2023-04-19T01:25:39Z
dc.date.available2019-11-14T10:08:30Z
dc.date.available2023-04-19T01:25:39Z
dc.date.issued2014
dc.descriptionAn article published by Institute of Environmental Physics and Remote sensing (IUP/Ife)en_US
dc.description.abstractScanning Imaging Absorption Spectrometer for Atmospheric Chartography (SCIAMACHY) performs lunar occultation measurements over the high southern latitude (50o S–90o S). Using the global spectra fitting method by the differential optical depth approach and the optimal estimation method, vertical profiles of nighttime NOx (NO2 and NO3) are retrieved. The quality of the retrieved NOx products are verified by comparing SCIAMACHY nighttime NO2 result with other satellite instruments (HALOE and SAGE II) and NO3 results with a simple chemical model outputs. Very promising results are obtained. The relative mean differences (rmd) of SCIAMACHY-HALOE comparisons are within -16 % to +3 % and the standard deviations (rms) within 4–16 % between 25–38 km. The rmd and rms for SCIAMACHYSAGE II comparisons are within -9 % to +7 % and 10– 17 % between 22–39 km. The retrieved NO3 are in very good agreement with the model calculations between 16 to 38 km within accuracy of 25 %.en_US
dc.identifier.citationInstitute of Environmental Physics and Remote sensing (IUP/Ife), University of Bremen, Otto-Hahn-Allee 1, 28334en_US
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/11798
dc.language.isoenen_US
dc.publisherInstitute of Environmental Physics and Remote sensingen_US
dc.subjectstratospheric NOxen_US
dc.subjectNO2en_US
dc.subjectNO3en_US
dc.subjectvalidationen_US
dc.subjectSCIAMACHYen_US
dc.subjectlunar occultationen_US
dc.titleCurrent retrieval and inter-comparisons results of Sciamachy Nighttime Noxen_US
dc.typeArticleen_US
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