1991, Ehhalt, D.H., U. Schmidt, R. Zander, Ph. Demoulin, and C. P. Rinsland, Seasonal cycle and secular trend of the total and tropospheric column abundance of ethane above the Jungfraujoch, Journal of Geophysical Research, 96, 4985-4994
Tags: C2H6, FTIR
1991, Rosen, J.M., N.T.Kjome, S.J. Oltmans, Balloon borne observations of backscatter, frost point and ozone in polar stratospheric clouds at the South Pole, Geophysical Research Letters, 18, 171-174
Tags: Aerosol, H2O, Ozone, PSC, Sonde