1989, Rosen, J.M., S.J. Oltmans, W.F. Evans, Balloon borne observations of PSCs, frost point, ozone and nitric acid in the north polar vortex, Geophysical Research Letters, 16, 791-794
Tags: H2O, HNO3, Ozone, PSC, Sonde
Hofmann, D.J., Oltmans, S.J., Lathrop, J.A., Harris, J.M., Vomel, H., Record Low Ozone at the South Pole in the Spring of 1993, Geophysical Research Letters, 21(6): 421-424
Tags: Ozone, Polar, Sonde