Laboratory of Tree-Ring Research

Coordinates: 32°13′45″N 110°57′08″W / 32.2292032°N 110.9523167°W / 32.2292032; -110.9523167
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Laboratory of Tree-Ring Research
Established1937 (1937)
Field of research
Tree rings
  • David C Frank
  • Steve Leavitt
Address1215 E Lowell St.
LocationTucson, Arizona, United States
32°13′45″N 110°57′08″W / 32.2292032°N 110.9523167°W / 32.2292032; -110.9523167
AffiliationsUniversity of Arizona

The Laboratory of Tree-Ring Research (LTRR) was established in 1937 by A.E. Douglass, founder of the modern science of dendrochronology.[1] The LTRR is a research unit in the College of Science at the University of Arizona in Tucson. Since its founding, visiting scholars and faculty at the lab have done notable work in the areas of climate change, fire history, ecology, archeology and hydrology.


  1. ^ Kaib, Mark (Winter 1999). "Enlightenment in Burnt Forests - Laboratory of Tree-Ring Research". Whole Earth. Archived from the original on August 18, 2010. Retrieved June 24, 2011.

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