• earle1
    Photo courtesy Earle Wilson, contributed by Natalie Freeman.
  • kris8
    Photo courtesy Professor Kris Karnauskas.
  • natalie1
    Photo courtesy Natalie Freeman.
  • earle2
    Photo courtesy Earle Wilson, contributed by Natalie Freeman.
  • shelley
    Photo courtesy Dr. Shelley Knuth.
  • jen
    Photo courtesy Professor Jennifer Kay/Polar Bears International.
  • johnf
    Photo courtesy Kim Wirth, contributed by Dr. John Fasullo.
  • jason
    Photo courtesy Dr. Jason English.
  • john
    Photo courtesy Professor John Cassano.
  • kris
    Photo courtesy Professor Kris Karnauskas.
  • melissa
    Photo courtesy Dr. Melissa Nigro.
  • samantha
    Photo courtesy Dr. Samantha Stevenson.
  • tomoko
    Photo courtesy Tomoko Koyama.
  • paul
    Photo courtesy Paul Quelet.
  • aleya
    Photo courtesy Aleya Kaushik.
  • timothy
    Photo courtesy Timothy Reed.
  • campus
    Main Campus, University of Colorado Boulder.
  • flatirons
    The Flatirons, Boulder, CO.

The Department of Atmospheric and Oceanic Sciences (ATOC) at the University of Colorado Boulder provides a world-class, interdisciplinary research and educational environment to examine the dynamical, physical, and chemical processes that occur in the atmosphere and ocean. A major theme is the establishment of a physical basis for observing, modeling, and understanding climate and global change.

The University of Colorado Boulder is located in a region having the greatest concentration of geophysical researchers in the nation and perhaps the world. The proximity of ATOC to this atmospheric and oceanic science “ground zero” is the foundation of our unique philosophy and vision, which elevates our department to one of worldwide prominence. The guiding principle of ATOC is to be the focal point for atmospheric and oceanic science education and research training in this geographic region of world-renowned excellence.

Background image: Arctic Ocean Ripples, Photograph by Norbert Rosing (National Geographic). Ripples disturb the mirrorlike surface of the Arctic Ocean near Igloolik, Canada. Even the gentlest of ripples reshapes coastlines, a few grains of sand at a time.