AbstractScanning imaging absorption spectrometer for atmospheric chartography (SCIAMACHY) is a moderate resolution imaging spectrometer on board the environmental satellite (ENVISAT) launched in March 2002. SCIAMACHY has eight channels, covering a spectral range from 240 to 2380nm and observes the Earth’s atmosphere in nadir, limb, and occultation geometries. From SCIAMACHY lunar occultation measurements, nighttime vertical profiles of O3 and NO2 have been retrieved over the southern hemisphere (60°–90°S) using the optimal estimation method. The first preliminary validation of retrieved O3 profiles with halogen occultation experiment and comparisons with stratospheric aerosol and gas experiment III (SAGE III), and Michelson interferometer for passive atmospheric sounding (MIPAS) O3 profiles were carried out. In addition, the retrieved NO2 profiles were compared to SAGE III and MIPAS results. The results of these preliminary validation and comparisons give confidence that reasonable scientific data products (trace gas profiles) can be derived from SCIAMACHY spectroscopic lunar occultation data.
Lunar occultation with SCIAMACHY: First retrieval results
Advances in Space Research ; 36 , 5 ; 906-914
2005-03-03
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Lunar occultation with SCIAMACHY: First retrieval results
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