Variations of tropospheric ozone concentration over Syowa Station, Antarctica

S. Murayama, T. Nakazawa, M. Tanaka, S. Aoki, S. Kawaguchi

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Abstract

Aircraft measurements of the tropospheric O3 concentration were made over Syowa Station, Antarctica from May 1989 to January 1990, except during the polar night months of June and July. The O3 concentration increased with height for the whole period of the measurements. Lower tropospheric O3 showed a prominent seasonal variation with maximum concentration in winter and minimum concentration in summer, which is very close to the result of continuous O3 measurements initiated at Syowa Station in February 1988. In the upper troposphere, the concentration reached high values in winter, decreased gradually until late spring and then increased again. As a result, the height-dependent difference of the concentration was reduced from late autumn to early spring and enhanced in remaining seasons of the year. -from Authors

Original languageEnglish
Pages (from-to)262-272
Number of pages11
JournalTellus, Series B
Volume44 B
Issue number4
Publication statusPublished - 1992 Jan 1

ASJC Scopus subject areas

  • Atmospheric Science

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    Murayama, S., Nakazawa, T., Tanaka, M., Aoki, S., & Kawaguchi, S. (1992). Variations of tropospheric ozone concentration over Syowa Station, Antarctica. Tellus, Series B, 44 B(4), 262-272.