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Tree Rings: Counting the Years of Global Warming

Worksyn Productions

This video describes the role that dendrochronology plays in understanding climate change, especially changes to high elevation environments at an upper tree line. Dendrochronologists from the Big Sky Institute sample living and dead trees, describe how correlations between trees are made, and explain how tree cores record climate changes.

Video length: 7:53 min.

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Climate Literacy
About Teaching Climate Literacy

Climate's role in habitats ranges and adaptation of species to climate changes
About Teaching Principle 3
Other materials addressing 3a
Global warming and especially arctic warming is recorded in natural geological and historic records
About Teaching Principle 4
Other materials addressing 4e
Observations are the foundation for understanding the climate system
About Teaching Principle 5
Other materials addressing 5b

Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • This video could be used in a variety of curricula unit of study including climate, plants and forests, forest ecosystems, etc.
  • Because it shows a female lead researcher and male graduate students collecting in the field and bringing the cores back to the lab to analyze them, it allows students to go beyond just looking at paper copies of tree ring patterns.
  • Video can complement other CLEAN selected resources: http://cleanet.org/clean/educational_resources/index.html?search_text=tree+ring&Search=search

About the Science

  • Research opportunities found in tree rings that link trees in Yellowstone National park to the research community.
  • Global climate change and tree rings, which offer a record that humans are fundamentally changing the Earth system.
  • Comments from Expert Scientist: Tree ring research is low tech and easily approachable by educators and students at middle school through college levels.
  • This well-produced video enhances that approachability by featuring senior scientist Lisa Graumlich, one of the most articulate dendroclimatologists in the world.

About the Pedagogy

  • No supplemental materials, but can help demystify research process.

Technical Details/Ease of Use

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