CRISTA-NF measurements during the AMMA-SCOUT-O<sub>3</sub> aircraft campaign
Author:
Weigel K.,Riese M.,Hoffmann L.,Hoefer S.,Kalicinsky C.,Knieling P.,Olschewski F.,Preusse P.,Stroh F.,Spang R.,Volk C. M.
Abstract
Abstract. The Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere – New Frontiers (CRISTA-NF) instrument successfully participated in the AMMA-SCOUT-O3 measurement campaign in July and August 2006. The instrument is mounted on the high-flying Russian research aircraft M55-Geophysica and measures limb-emissions in the mid-infrared region in the altitude range of about 6 to 21 km. We present a new retrieval scheme that was developed to obtain atmospheric temperature and trace gas fields with high vertical resolution (up to 500 m). Retrieval results are shown for temperature, water vapor (H2O), ozone (O3), nitric acid (HNO3), peroxyacetyl nitrate (PAN), carbon tetrachloride (CCl4), and aerosol extinction. Comparisons of temperature, O3, and H2O observations with corresponding in situ measurements on-board M55-Geophysica show reasonable agreement. In particular, CRISTA-NF observations in the vicinity of the aircraft resemble horizontal variations found in the in situ measurements better than corresponding ECMWF fields.
Publisher
Copernicus GmbH
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