Atmospheric Variability and Trends: Contributions to International Networks

NDACC, Network for the Detection of Atmospheric Composition Change
  Ralf Sussmann, Principal Investigator for ground-based FTIR spectrometry at the
  Zugspitze site

NDACC, Network for the Detection of Atmospheric Composition Change
  Thomas Trickl, Principal Investigator for aerosol lidar at Garmisch-Partenkirchen

NDACC working group on water vapor
  Ralf Sussmann, member (FTIR), Thomas Trickl, member (lidar)

TCCON, Total Carbon Column Observing Network
  Ralf Sussmann, PI for ground-based FTIR spectrometry at Garmisch-Partenkirchen

EARLINET, European Aerosol Lidar Research Network
  Thomas Trickl, PI for aerosol lidar at Garmisch-Partenkirchen

GAW/WCC-N₂O, World Calibration Center for N₂O of ’Global Atmosphere Watch’
  Hans-Eckhart Scheel, PI

GAW, scientific data analysis for Station Cape Point
  Hans-Eckhart Scheel in collaboration with the South African Weather Service (Ernst-
  Günther Brunke)