• SHIVA - Stratospheric Ozone: Halogen Impacts in a Varying Atmosphere

  • The transport of very short-lived substances into the tropical stratosphere

  • Data Assimilation and Model Calculations to Study Chemistry Climate Interaction and Solar Impact in the Polar Stratosphere (DACCS)

  • Global observations of bromine monoxide (BrO) from SCIAMACHY

  • Total ozone during the unusual Antarctic winter of 2002