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
  • 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
    • Educator Resources
    • Art & Exhibits
    • Docent-led Tours
    • Outreach Calendar
    • Become a Docent
    • Map and Directions
    • Sky Island Science Investigators
    • Tucson Festival of Books
  • Donate

NOW OPEN!

The Tree-Ring Lab is pleased to announce that we are resuming tours.

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://www.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://www.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://www.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

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. 

Read more

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

The Joseph Wood Krutch Florilegium Project

Wednesday, August 10, 2022

We invite you to visit the newest exhibit at the Bryant Bannister Tree-Ring Building - The Joseph Wood Krutch Florilegium Project.

Read more

Summer school participants write a drought reconstruction paper

Friday, August 5, 2022

Participants in the 2018 International Summer School “Tree Rings, Climate, Natural Resources and Human Interaction” wrote a paper reconstructing drought in Siberia from tree-ring data.

Read more
The slab of bristlecone pine wood, showing the ring pattern on the polished top surface

Finding the Thera and Aniakchak II volcanic eruptions in tree rings and ice cores

Friday, June 10, 2022

A new publication in PNAS Nexus led by LTRR's Charlotte Pearson combines ice-cores, tree-rings, radiocarbon and archaeology to narrow in on a date for the Thera eruption and confirm Aniakchak II (1628 BCE) as one of the highest sulfate eruptions in the last 4,000 years.

Read more

The origin of tree-ring reconstructed summer cooling in Northern Europe during the 18th century eruption of Laki'

Monday, January 31, 2022

Julie Edwards and other have published a new paper on "The origin of tree-ring reconstructed summer cooling in Northern Europe during the 18th century eruption of Laki" in the AGU journal Paleoceanography and Paleoclimatology.

Read more
  • Read All News

Tuesday, September 20

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

Wednesday, September 21

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

Wednesday, September 21

  • 12:00 PM to 1:00 PM
    How does Pinus ponderosa water use before and after the North American Monsoon impact the δ¹⁸O measured in wood cellulose in the American southwest?

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

© 2022 The Arizona Board of Regents on behalf of The University of Arizona.

  • Login