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The width, color, and pattern of tree rings can tell us whether the tree was thriving or struggling. An especially wet year might result in broader rings, since the tree is able to grow more than it could have in a drier year.
Dendrochronology (or tree-ring dating) is the scientific method of dating tree rings (also called growth rings) to the exact year they were formed in a tree.
Tree rings or growth rings are annual records of a tree’s life and environmental conditions. Trees grow by adding new layers of wood around their trunks every year. In regions with seasonal climate variations, this growth results in distinct rings, each representing one year of a tree’s life.
Tree rings can reveal the age of wood used to make human artifacts from famous violins to the cliff ruins of Mesa Verde, and also tell us about the climate conditions that prevailed when those trees were alive.
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These rings can tell us how old the tree is, and what the weather was like during each year of the tree’s life. The light-colored rings represent wood that grew in the spring and early summer, while the dark rings represent wood that grew in the late summer and fall.
A tree ring, representing one year, consists of two layers: A light colored layer which forms in the spring and early summer, which is typically thicker because the tree is growing. A dark colored layer which forms in late summer and fall, which is typically thinner because the trees growth slows.
These rings can tell us how old the tree is, and what the weather was like during each year of the tree’s life. The light-colored rings represent wood that grew in the spring and early summer, while the dark rings represent wood that grew in the late summer and fall.
Tree rings can tell them about the present local climate. Though dendrochronology also has uses for art historians, medieval studies graduates, classicists, ancient and historians due to the necessity to date some of the materials that the fields will be handling in their research projects.
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