Jump to navigation

The University of Arizona Wordmark Line Logo White
Laboratory of Tree-Ring Research | Home

Search form

  • Home
  • About
    • Lab History
    • About Tree Rings
    • Diversity, Equity and Inclusion
  • Research
    • Past Landscapes Lab
    • Trouet SPICE Lab
    • Hu Lab
    • Aegean Dendrochronology Project
    • Southwestern Dendroarchaeology
    • LTRR Collection
  • Teaching
    • Courses
    • Current Courses
    • Dendro Intensive Summer Course
  • People
    • Faculty
    • Staff
    • Students
    • Visitors
    • Docents
  • Resources
    • Skeleton Plot
    • Recent Talks
    • Fellowships
    • Student Awards
    • Software
    • Meetings
    • References
  • Outreach
    • Wisdom of the Rings
    • Malcolm Hughes Endowment for Outreach
    • Tree-Ring Talk Seminar Series 23-24
    • Art & Exhibits
    • Docent-led Tours
    • Outreach Calendar
    • Become a Docent
    • Sky Island Science Investigators
    • Educator Resources
    • Map and Directions
  • Donate

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 includes lab, office and archive space
    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

A cross section from a tree that drowned when a forest was carried into Lake Washington as part of a landslide.

Tree rings reveal a new kind of earthquake threat to the Pacific Northwest

Wednesday, September 27, 2023

New paper by LTRR lead author Bryan Black

Read more
AGU web page for Willi Dansgaard Award with Kevin Anchukaitis portrait inset

Kevin Anchukaitis receives Willi Dansgaard Award

Friday, September 15, 2023

The AGU honors Kevin Anchukaitis with the 2023 Willi Dansgaard Award.

Read more
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
  • Read All News

Wednesday, November 20

  • 10:00 AM to 11:30 AM
    Docent Tour

Wednesday, November 20

  • 12:00 PM to 1:00 PM
    Tree-Ring Talk

Tuesday, November 26

  • 10:00 AM to 11:30 AM
    Dendro class for African American Student Services Department TUSD

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

Connect
  • Facebook
  • YouTube
  • Twitter

University Information Security and Privacy

© 2024 The Arizona Board of Regents on behalf of The University of Arizona.

  • Login