Assistant Professor



Geddes Research Group


Research in Jeff’s group is focused on the impacts of reactive trace gases in Earth’s atmosphere. Topics range from understanding urban air quality to studying biosphere-atmosphere exchange in natural environments. The group primarily uses satellite remote sensing observations in combination with a global model of atmospheric chemistry, but also relies on field measurements. Current projects explore urban-scale variability in remote sensing of surface air quality; interannual variability in biosphere-atmosphere trace gas exchange; and the impacts of land-use change on atmospheric chemistry.


  • EE 302 Remote Sensing of Environment
  • EE 446/646 Remote Sensing of the Atmosphere
  • EE 540 Atmospheric Chemistry & Global Change