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Schedule your visit today.

Please visit https://ltrr.arizona.edu/docents for additional information. 

  • Established by the pioneer of dendrochronology.

    A.E. Douglass, originator of the science of tree-ring dating, founded the Laboratory of Tree-Ring Research in 1937.
    https://ltrr.arizona.edu/about/history

  • Housed in a custom facility.

    A building constructed in 2013 provides lab and office space, augmented by a building recently renovated as a wood sample archive.
    https://ltrr.arizona.edu/building

  • Pursuing interdisciplinary research.

    Dendrochronology helps reconstruct environmental change, and unravel processes in ecosystems and human societies; researchers in many parts of the world collaborate with the Laboratory of Tree-Ring Research.
    https://ltrr.arizona.edu/research

  • Hosting an on-line seminar series.

    The Tree Ring Talks seminar series is now available on Zoom.
    Upcoming talks ≫

  • Established by the pioneer of dendrochronology.

  • Housed in a custom facility.

  • Pursuing interdisciplinary research.

  • Hosting an on-line seminar series.

News

Sediment core tube held in a small boat on a lake.

Has the Earth been warming or cooling over the past few thousand years?

Thursday, February 23, 2023

LTRR postdoc Ellie Broadman is co-author of an article reviewing the trends in global temperature over the last few thousand years.

Read more

Music from Tree Rings

Monday, December 19, 2022

The Arizona Daily Star newspaper's front page lead article was on the musical collaborative project featuring Margaret Evans and Kelly Heilman of the LTRR.

Read more

Dr. Charlotte Pearson Receives National Science Foundation MRI Grant for Groundbreaking Mini Carbon Dating System

Tuesday, October 18, 2022

Dr. Charlotte Pearson Receives National Science Foundation MRI Grant for Groundbreaking Mini Carbon Dating System

Read more

Valerie Trouet named Scientific Director of the new Belgian Center for Climate Expertise

Wednesday, September 28, 2022

Valerie Trouet has been named the Scientific Director of the new Belgian Center for Climate Expertise.

Read more

Connie Woodhouse named AGU Fellow

Sunday, September 18, 2022

Connie Woodhouse has been named to the 2022 Class of Fellows by the American Geophysical Union. 

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Martin Munro Honored with Award

Saturday, September 17, 2022

Martin Munro is the Recipient of the 2022 Tree-Ring Society Richard L. Holmes Award for Outstanding Service to Dendrochronology

Read more
  • Read All News

Tuesday, June 6

  • 10:00 AM to 11:30 AM
    Docent-led tour

Tuesday, June 13

  • 10:00 AM to 11:30 AM
    Docent-led tour

Monday, June 19

  • 10:00 AM to 11:30 AM
    Docent-led tour

See Calendar →

College of Science

Bryant Bannister Tree-Ring Building, 1215 E. Lowell Street, Tucson, AZ 85721-0045, USA office@ltrr.arizona.edu 520-621-1608

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