The Dictionary of the Climate Debate (DCD)

Definition: The science of reconstructing past climates by studying tree rings. As opposed to dendrochronology, which is the dating of past events by studying tree rings.

For example, analyzing tree-ring widths to determine how much rainfall fell per year long before weather records were kept.

1. Wide rings mean that there were good growing conditions that year; narrow rings mean bad conditions.

2. Click here to read an article that explains how tree-ring data was used to prove an Inuit historical assertion.

3. The word was coined by combining the Greek dendron, tree with the word climatology.

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