Welcome to the Environmental Tracer Group website. We use deliberately-injected and transient tracers to investigate earth science problems in the areas of oceanography, continental waters, paleoclimatology, geochronology, and geology.


Learn about the Environmental Tracer Group.

Find out about our instruments and facilities.

Address, telephone number, and email of group members.

Photos from the field...


Find out about our projects.

List of publications based on measurements performed in our laboratories, or contain significant contributions from group members.

To the outside world!


Lamont-Doherty Earth Observatory
Columbia University
61 Route 9W
Palisades, New York 10964

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August 27, 2003