Airborne Southern Hemisphere Ozone Experiment

The Campaign

The Airborne Southern Hemisphere Ozone Experiment (ASHOE) was a NASA-led campaign, which aimed to determine what causes ozone loss in the lower stratosphere over the Southern Hemisphere. Vertical profiles of ozone, temperature and aerosols were collected in order to study changes of each over the course of four intensive operation periods (IOPs), which began in March of 1994 and concluded in November of the same year. Each IOP utilized both NASA’s ER-2 aircraft and Goddard Space Flight Center’s (GSFC) lidar system. The ER-2 was equipped with a number of remote sensing instruments, including but not limited to: the Aircraft Laser Infrared Absorption Spectrometer (ATLAS), the Microwave Temperature Profiler (MTP), and the High Resolution Interferometer Sounder (HIS), as well as several NOAA gas sensors. Numerous Electro-chemical Concentration Cell (ECC) Ozonesondes were also launched during each IOP. ASHOE was funded by both NASA and NOAA and was conducted in conjunction with the Measurements for Assessing the Effects of Stratospheric Aircraft (MAESA) campaign, which had similar objectives.

Additional Notes

Repositories

• Unpublished