Content tagged with "dendrochronology"

Calendar Elm

A chainsaw and a tape measure are resting on the stump of a large elm tree
This elm tree's growth rings provided insight into how the sight where it grew had changed. More

Calendar Elm

A chainsaw and a tape measure are resting on the stump of a large elm tree
Yard work, astrophysics and archaeology meet in my back yard. More
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Telltale rings

A tape measure lies across the annual growth rings of a tree stump.
Why are the growth rings in the center of this tree so much narrower than those near the outside? More