Jump to navigation

The University of Arizona Wordmark Line Logo White
Laboratory of Tree-Ring Research | Home
  • Support the LTRR

Search form

  • Home
  • About Us
    • Lab History
    • About Tree Rings
    • SEES
  • Research
    • Southwestern Dendroarchaeology
    • Aegean Dendrochronology Project
    • Collection
    • Software
    • CMATE
  • Teaching
    • Courses
    • Current Courses
    • Dendro Intensive Summer Courses 2018
  • People
    • Faculty
    • Staff
    • Students
    • Visitors
    • Docents
  • Resources
    • Fellowships
    • Student Awards
    • Meetings
    • References
  • Outreach
    • Outreach Calendar
    • Tree-Ring Open House @ Tucson Festival of Book
    • Docent-led Tours
    • Sky Island Science Investigators
    • Become a Docent
    • Outreach Events
    • Map and Directions
    • Art in the Bryant Bannister Tree-Ring Building

  • 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

  • Educating students and the public.

    The Laboratory of Tree-Ring Research teaches undergraduate and graduate courses; its outreach program also reaches thousands of children and adults in the community.
    https://ltrr.arizona.edu/courses

  • Established by the pioneer of dendrochronology.

  • Housed in a custom facility.

  • Pursuing interdisciplinary research.

  • Educating students and the public.

News

Image of Earth with large-scale atmospheric circulation diagram superimposed.

Reconstructing past climate on a planetary scale

Tuesday, October 16, 2018

A new tree-ring reconstruction targets a major feature of the Earth's atmospheric circulation.

Read more
Akrotiri, Thera: the excavated remains of the Minoan town destroyed by the eruption (photo: Gretchen Gibbs).

Re-dating the most important marker event for the ancient Aegean.

Thursday, August 16, 2018

Charlotte Pearson of the LTRR is lead author on a paper revising the radiocarbon dating of the Thera eruption.

Read more
The group of researchers in Guatemala, ready for fieldwork.

A documentary film shows the work of LTRR researchers in Guatemala

Friday, February 9, 2018

A short documentary film is the first of several describing the work of LTRR researchers in Guatemala.

Read more

LTRR researchers link extreme European weather to jet stream changes

Tuesday, January 16, 2018

Valerie Trouet and Matt Meko from the LTRR, with Flurin Babst, reconstruct the jet stream.

Read more
  • Read All News

Wednesday, October 17

  • 10:00 AM to 11:00 AM
    FREE Docent-led Tour

Wednesday, October 17

  • 11:45 AM to 1:00 PM
    Painted Walls and Tree-Ring Dates South of the Bears Ears: Results of Five Years of Research by the Cedar Mesa Building Murals Inventory, Documentation, and Dating Project

Friday, October 19

  • 10:00 AM to 11:00 AM
    Spanish Language Docent-led Tour

See Calendar →

Laboratory of Tree-Ring Research | Home

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

Connect
  • Facebook
  • Twitter

© 2018 The Arizona Board of Regents on behalf of The University of Arizona.

  • Login