The website is undergoing a major upgrade that began Friday, October 11th at 5:00 PM PDT. The new upgraded site will be available no later than Monday, October 21st. Until that time, the current site will be visible but logins are disabled.

Ice particle formation and sedimentation in the tropopause region: A case study...

Schiller, C., et al. (1999), Ice particle formation and sedimentation in the tropopause region: A case study based on in situ measurements of total water during POLSTAR 1997, Geophys. Res. Lett., 26, 2219-2222.