Ground-based remote sensing of the atmospheric ozone over Moscow at millimeter waves

Sergey B. Rozanov; Sergey V. Solomonov; Elena P. Kropotkina; Alexandr N. Ignatyev; Alexandr N. Lukin

doi:10.1117/12.688961

12 October 2006 Ground-based remote sensing of the atmospheric ozone over Moscow at millimeter waves

Sergey B. Rozanov, Sergey V. Solomonov, Elena P. Kropotkina, Alexandr N. Ignatyev, Alexandr N. Lukin

Proceedings Volume 6362, Remote Sensing of Clouds and the Atmosphere XI; 63621Z (2006) https://doi.org/10.1117/12.688961
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

Results of regular ground-based millimeter-wave (MM-wave) measurements of vertical ozone distribution (VOD) in the stratosphere and mesosphere over Moscow region for the last years are presented. The observations of the 142.175 GHz ozone line were done using low-noise heterodyne spectrometer. Tikhonov method was used for retrieval the ozone mixing ratio profiles from the experimental spectra. Descriptions of both the retrieval algorithm and the spectrometer are given. As seasonal changes in ozone as more short-term ozone variations with time scales from several days to several weeks were recorded. It was found that the most noticeable changes in the ozone layer occurred in cold seasons. Correlations between ozone content and other parameters of the atmosphere were established for different altitudes. It was shown that the VOD over Moscow is strongly influenced by large-scale atmospheric dynamics. Considerable deformations of the stratospheric ozone profiles were detected in winter months, when both decreased ozone content at altitudes of 25-45 km and local minimum near 30 km were observed many times. Appearance of the secondary (in the lower thermosphere around 90 km) and tertiary (in the mesosphere at altitudes of 55-75 km) maxima in the ozone profiles in night hours, and strong variations in the night ozone at the altitudes were measured. A comparison of the ground-based MM-wave data with results of satellite measurements by EOS MLS instrument has shown good coincidence of the ozone profiles obtained from the ground level and from space.

Citation Download Citation

Sergey B. Rozanov, Sergey V. Solomonov, Elena P. Kropotkina, Alexandr N. Ignatyev, and Alexandr N. Lukin "Ground-based remote sensing of the atmospheric ozone over Moscow at millimeter waves", Proc. SPIE 6362, Remote Sensing of Clouds and the Atmosphere XI, 63621Z (12 October 2006); https://doi.org/10.1117/12.688961

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