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[A-1.4 Measurements of Stratospheric Ozone by the Rocket Ozonesonde]

[Contact Person]

Harutou Hirosawa
Division Director
Satellite Applied Engineering Division,
Institute of Space and Atrononautical Science
Yoshinodai 3-1-1, Sagamihara, Kanagawa 229 Japan
Phone +81-427-51-3911

[Total Budget for FY1990-1992]

16,906,000 Yen

[Abstract]

　A small optical ozone instrument has been developed for a rocket-borne dropsonde to measure the altitude profile of stratospheric ozone. The ozone dropsonde is launched aboard a meteorological rocket MT-135, providing the altitude profiles of ozone as well as atmospheric temperature and wind. The rocket launchings have been carried out eight times since September 1990 at Uchinoura(31N, 131E), Japan, to measure ozone concentration from 52 to 20 km altitude during the slow fall of the dropsonde. The ozone profiles measured in summer were very stable above an altitude of 28 km, where as those measured in winter showed considerable variations compared to the summer profiles at the stratospheric altitudes.

[Key Words]

Stratospheric ozone, Rocket measurement, Optical ozonesonde