Comparison of ozone profiles derived from ground-based microwave lidar measurements

Li Song; Paul Hartogh; Christopher Jarchow; Georg Hansen

doi:10.1117/12.317774

18 August 1998 Comparison of ozone profiles derived from ground-based microwave lidar measurements

Li Song, Paul Hartogh, Christopher Jarchow, Georg Hansen

Proceedings Volume 3501, Optical Remote Sensing of the Atmosphere and Clouds; (1998) https://doi.org/10.1117/12.317774
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

Abstract

A ground-based microwave heterodyne spectrometer for detection of middle atmospheric ozone has been developedmat Max-Planck-Institut für Aeronomie (MPAE), Germany. It was in operation from October 1995 until May 1996 atmthe Arctic Lidar Observatory for Middle Atmospheric Research (ALOMAR) near Andenes, Norway (69.3N, 16.0E). The microwave system provided ozone profiles in the altitude range from 15 to 80 km. During this period, a lidar system has been operated at the same location. The ozone profiles from the lidar covered the altitude range from 10 to 44 km. An intercomparison of 60 ozone profiles between the two instruments shows a good agreement. The mean microwave data were lower than the convolved mean lidar data by only 3% at 24 - 38km, and higher by only 5% at 20 — 24km. Above 38km the lidar measurements become more and more noise dominated, resulting in increasing errors and disagreement with the microwave measurements. The intercomparison suggests that the ozone profiles, provided by the microwave instrument, are not modulated by tropospheric transmission variations and that the other systematic error sources like residual baselines are properly modeled.

Citation Download Citation

Li Song, Paul Hartogh, Christopher Jarchow, and Georg Hansen "Comparison of ozone profiles derived from ground-based microwave lidar measurements", Proc. SPIE 3501, Optical Remote Sensing of the Atmosphere and Clouds, (18 August 1998); https://doi.org/10.1117/12.317774

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