Explore an EU project analyzing dendrochronological variability and natural climates in Eurasia over the last 10,000 years.

R.H. Brown writes about the problems he sees with using tree rings to calibrate radiocarbon dates. From a 1995 issue of "Origins."

Scientific paper examines the use of tree ring dating in land use history research.

Contains a staff directory, project summaries, event announcements and a list of publications. Located in Freiburg, Germany.

Laboratory conducts worldwide tree-ring research on temperate, tropical and subtropical regions. Check out current projects.

Contains project summaries and a list of publications. Located in Sweden.

Learn about Oxford University's tree-dating research projects, and review a list of publications.

Nonprofit research organization provides expertise in tree-ring data collection and analysis. Review the group's current projects.

Describes the dendrochronological laboratory's equipment, databases, services and history. Located in Vologda, Russia.

Peruse frequently asked questions regarding the use of tree-ring data and chronologies.

Organization for dendrochronology researchers provides a membership application, event announcements and a list of publications.

Teaching and research laboratory explores all aspects of dendrochronology. Learn about the visiting scholar program and meet the personnel.

University of Tennessee geography teacher offers a collection of tree-ring resources. Includes databases, software and reference information.

Laboratory works to produce annual tree-ring chronologies from ancient forests around the world. Meet the faculty and survey current research.

Provides access to dendrochronology-related databases and software such as the International Tree-Ring Data Bank.

Educational article aimed at kids explains how tree rings can be used to understand past climate patterns.

Visit the Malcolm and Carolyn Wiener Laboratory for Aegean and Near Eastern Dendrochronology, located at Cornell. Includes a tree ring FAQ.