Scientists analyze tree rings to determine the age of a tree; one ring usually represents one year of growth.
Amazonian tree rings reveal past rainfallAmazonian tree rings reveal past rainfall,
By Planet Earth Online,
Oct. 8, 2012,
EarthSky.org
"Scientists used tree rings from just eight cedar trees in Bolivia to make a detailed picture of rai
http://earthsky.org/earth/amazonian-tree-rings-rev...
Build a Tree-Ring TimelineBuild a Tree-Ring Timeline
by Rick Groleau
PBS.org
Assessing the age of a living tree is straightforward enough - just extract a core from the tree's circular trunk and count the number of lines
http://www.pbs.org/wgbh/nova/methuselah/treering.h...
Dendrochronology
Dendrochronology
Wikipedia.org
Dendrochronology or tree-ring dating is the scientific method of dating based on the analysis of patterns of tree-rings.
Visit the website for images and the re
http://en.wikipedia.org/wiki/Dendrochronology
Forests: How Do We Know? Tree Rings
Forests: How Do We Know? Tree Rings
Illinois State Museum
Article with illustration on how trees grow and how scientists use tree rings for reconstructing past climate.
http://www.museum.state.il.us/muslink/forest/htmls...
How To Read Tree Growth RingsHow To Read Tree Growth Rings
Uploaded by nmsuaces
October 16, 2009
Video length: 04:27.
http://www.youtube.com/watch...
Studying Climate Change - Tree Rings
Studying Climate Change - Tree Rings
Paleontological Research Institution
Cornell University
Tree rings are a good place to start thinking about how climate researchers get information about pa
http://www.priweb.org/globalchange/climatechange/s...
Tree Ring DatingTree Ring Dating
By W.P. Armstrong
Wayne's World
How do scientists determine how old a tree might be? Read and learn about the increment borer that scientists use. Great photos!
http://waynesword.palomar.edu/treedate.htm
Tree Ring VideosTree Ring Videos,
Dr. Henri D. Grissino-Mayer,
Department of Geography,
The University of Tennessee,
Links to several videos the professor has posted on YouTube.
http://www.youtube.com/channel/UC9RszazKr-3iJ4SANr...
Tree Rings
Tree Rings
By Paul James, UK
Microscopy-UK Magazine
Article with numerous large tree ring photos!!
http://www.microscopy-uk.org.uk/mag/indexmag.html....
Tree rings map 700 years of Asian monsoons
Tree rings map 700 years of Asian monsoons
Richard A. Lovett
Nature News
Historical rainfall across the region documented for the first time.
Visit the web site for the article.
http://www.nature.com/news/2010/100422/full/news.2...
Tree Rings Reveal Forest Fires from Hundreds of Years Ago
Tree Rings Reveal Forest Fires from Hundreds of Years Ago
Sep. 7, 2011
ScienceDaily.com
"Like clues from an Agatha Christie mystery novel, trees can provide secrets about past events, and their
http://www.sciencedaily.com/releases/2011/09/11090...
Tree Rings tell many TalesTree Rings tell many Tales
Pitara Kids Network
Woodpecker Volume 2000; Illustration by Shinod AP
Interesting article on how scientists study old trees to learn about past climates.
http://www.pitara.com/science-for-kids/planet-eart...
Tree rings: Chainsaws at dawnTree rings: Chainsaws at dawn
Tuesday, 25 May 2010
The Independent
More data than the age of a tree can be determined from tree rings; this article explains that they also reveal what the climate
http://www.independent.co.uk/environment/tree-ring...
Webrangers Activity: DendochronologyWebrangers Activity: Dendochronology
US Department of Interioir
Learn to tell time with tree rings.
http://www.webrangers.us/activities/dendrochronolo...