Tree-ring dating climate change

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Not a MyNAP member yet? Dendrochronology is the study of data from tree ring growth. Dendrochronology is the formal term for tree-ring dating, the science that uses the growth rings of trees as a detailed record of climatic change in a region, as well as a way to approximate the date of construction for wooden objects of many types. Dendrochronology or tree-ring dating is the scientific method of dating tree rings also called growth rings to the exact year they were formed. Dendro is the Greek word for trees, and a climatologist is a scientist who studies climate.

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How scientists use Arctic trees to map climate change

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English National Curriculum reference: 4.

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In recent years there has been a notable increase in the number of research projects engaged in building supra-long multi-millennial tree-ring chronologies. Most of us learned as children that the age of a tree could be found by counting its rings. F rom the early s until the s, the fast-moving river of wind known as the North Atlantic Jet Stream, which drives weather extremes over Europe, was pretty steady on its course. But to understand what the trees tell us, we first have to understand the difference between weather and climate. Have you ever counted the rings on a stump to find out how old a tree was?

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