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Intro to Tree Rings January 10.

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Presentation on theme: "Intro to Tree Rings January 10."— Presentation transcript:

1 Intro to Tree Rings January 10

2 Dendrochronology Aka Tree-ring dating
It is one of the most important environmental recording techniques for a variety of natural environmental processes and a monitor for human-caused changes to the environment Dendrochronology examines events through time that are recorded in the tree-ring structure or can be dated by tree rings

3 Dendrochronology In many trees, annual rings are visible and exhibit patterns 4 conditions necessary for these patterns to be useful in dating a specimen Annual ring Limiting factor Ring variability Patterns

4

5 tree ring: A layer of wood cells produced by a tree or shrub in one year, usually consisting of…
thin-walled cells formed early in the growing season (called earlywood) and thicker-walled cells produced later in the growing season (called latewood).

6 Interesting Applications of Dendrochronology
Ted Bundy tree carving 1923 border dispute between Texas and Oklahoma Groundwater contaminants Dating of famous paintings Murder investigations


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