News

Summer 2016 Dendro Short Courses

Tuesday, February 2, 2016

Come to the University of Arizona for intensive summer tree-ring courses.

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Pages from the current issue of the Tree-Ring Times newsletter

Tree-Ring Times revived

Monday, December 21, 2015

The Tree-Ring Lab has resumed its departmental newsletter after a long hiatus.

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Map of Chaco Canyon and its possible wood sources

Tree rings show where the trees used for Chaco Canyon great house timbers grew

Thursday, December 10, 2015

The dendro-provenancing technique shows where the trees used for Chaco Canyon great house timbers grew, and how this source area changed in the eleventh century.

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UA Family Weekend - Tours and Exhibit Hall Open

UA Family Weekend Tours & Exhibits

Tuesday, September 29, 2015

Our Exhibit Hall will be open on Saturday, October 10 from 9AM-Noon for UA Family Weekend. Come join the fun!

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oak in California

Smallest Sierra snowpack in the past 500 years

Monday, September 14, 2015

LTRR researchers Soumaya Belmecheri and Valerie Trouet are lead authors of a study showing the current Sierra Nevada snowpack to be the smallest in 500 years.

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LTRR Director candidates give public talks

Friday, April 17, 2015

LTRR Director candidates are giving public talks in April and May.

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Tree-Ring Talks and Tours Day

Wednesday, April 1, 2015

Please join us in celebrating Tree-Ring Day, Tuesday, April 7 during Earth Week at Bryant Bannister Tree-Ring Building.

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The STEMM team and their grant award

LTRR faculty on environmental education team

Sunday, February 1, 2015

Margaret Evans from the LTRR in an environmental education innovation.

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Swetnam close-up, forest canopy top below.

Newspaper article on retiring director Tom Swetnam

Sunday, January 11, 2015

A newspaper article highlights the career of retiring LTRR Director Tom Swetnam.

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detail of the newsletter

Tree Rings for Kids

Friday, December 12, 2014

Articles teaching tree rings to kids appear in a newsletter.

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Bristlecone pine growing at treeline

Trees, technology reveal past temperatures

Friday, December 5, 2014

A local newspaper highlights Matt Salzer's bristlecone pine work.

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Swetnam close-up, forest canopy top below.

AAAS Elects Tom Swetnam as a Fellow

Thursday, December 4, 2014

The American Association for the Advancement of Science has elected LTRR director Tom Swetnam as a Fellow

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