三陸における成層圏二酸化窒素, オゾン高度分布の大気球観測 : B_<15>-64,66 号機とオゾンゾンデ観測結果

概要

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Balloon-borne measurements of the stratospheric NO_2 profile were made at Sanriku on October 6,1986 (B_<15>-64) and May 19,1987 (B_<15>-66). A NO_2 profile derived from B_<15>-64 observation was compared with that from the B_5-85 observation made on May 29,1978. A significant difference was found in peak altitudes of two profiles. Ozone profiles obtained by electrochemical ozonesondes during the periods of the balloon observations were also presented and compared with that obtained during the B_5-85 balloon measurement. In ozone profiles also shown was a difference between the B_5-85 result and others. This difference may indicate a difference in atmospheric condition between 1986 and 1978 observation periods. We suggest that the lower stratospheric NO_2 is largely affected by dynamical processes.
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