dendrochronology

A. E. Douglass and the Dendrochronology

A. E. Douglass and the Dendrochronology

On July 5, 1867, American astronomer and archeologist A. E. (Andrew Ellicott) Douglass was born. He coined the name dendrochronology for tree-ring dating, a field he originated while working at the Lowell Observatory, Flagstaff, Arizona, by his discovery a correlation between tree rings and the sunspot cycle. A. E. Douglass Background A. E. Douglass was not the first, who suggested that a tree’s rings could determine its age. The first known record of…
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