Tree Weather

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Tree Weather - what tree rings reveal

Tree rings can supply us with valuable information about past weather events.

They can tell us if the weather resulted in a good growing season, or a drought. They can identify years in which there were forest fires.

Trees that are very slow growing can supply records back over long periods of time

A 3,000-year record from 52 of the world's oldest trees shows that California's western Sierra Nevada had frequent droughts and fires between the years 800ad to 1300ad


Learn more about tree rings DENDROCHRONOLOGY