This slide show explains how trees record information about past environments and climate in their annual growth rings. Dendrochronology is the science that studies tree rings. This set includes a narrative background and color photos depicting dendrochronological techniques, including tree coring in the field, sample preparation, cross-dating, standardization, and chronology building. In addition, there are photos and graphics of tree physiology and climatic interpretations derived from tree ring data at sites around the world. This slide set can be used as an educational tool for studying current environmental issues such as drought, global warming, and dendroclimatology. Each photograph can be enlarged for better viewing.
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