Dendrochronology

File Format
Name	Dendrochronology
Ontology	Organic File Formats Dendrochronology

Dendochronology is the study of tree rings to determine the age of trees, and to form chronologies by comparing the wide and narrow rings (corresponding to years of larger and smaller growth depending on their weather) of multiple trees (living and dead).

References

• A Guide to Dendrochronology for Educators
• Turntable that "plays" the rings of a tree
• What Tree Rings Sound Like Played on a Record Player