This page is not finished yet - things are still incomplete! Each link below will point to a couple-of-paragraphs, mostly educational description on some of the research topics we are working on / have been involved in in the past. If you have questions on anything talked about below please feel free to contact Thomas Birner. A more complete description of our group's research can be found through our publications.

the tropopause (historical remarks and why it's still mysterious)

Brewer-Dobson circulation (historical remarks, some recent research results soon)

upper troposphere / lower stratosphere (UTLS) research

        tropopause inversion layer (TIL)

        tropical tropopause layer (TTL)

sudden stratospheric warmings