LTRR

The LTRR

In 1937 A. E. Douglass, founder of the modern science of dendrochronology, established the Laboratory of Tree-Ring Research at the University of Arizona. The Tree-Ring Lab is recognized worldwide as a preeminent center for the advancement of tree-ring techniques and the broad application of dendrochronology in the social and environmental sciences.

Wednesday, October 22

Thursday, October 23

Thursday, October 23

News

The Lab wants YOU to become a docent! Read more...
Agnese Haury's generosity gave the Tree-Ring Lab its new home; The University is honoring her final gift. Read more...
Fire history work in the Tree-Ring Lab
An Australian documentary on mega-fires features the LTRR fire history and climate reconstruction. Read more...
Fires and Humans in Resilient Ecosystems: forest fire history and outreach activities. Read more...
Giant sequoia section selected as one of 100 objects to characterize Tucson Read more...
Riggers preparing the slab for moving.
See a video of a popular museum exhibit being restored to public view Read more...
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