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The team also compared charcoal deposits in boggy meadows within the groves to the tree-ring fire history.

研究小组也将年轮记录的火灾历史与沼泽草甸中沉积的木炭进行了比较。

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Buckley isn't an archaeologist. He studies tree rings, which record the growth history of trees that can be hundreds of years old, or even older.

VOA: standard.2010.04.05

Aidan Dwyer won the Young Naturalist Award from the American Museum of Natural History after studying tree branch patterns during hikes through the forests of the Catskill Mountains.

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In North America, Laki has been blamed for the starvation of Inuit populations from severe cold in northwestern Alaska, based on Inuit oral history as well as tree-ring density data investigated by Gordon Jacoby and others, who estimated that conditions were about 4 degrees Celsius colder than the mean.

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He was already passionate about history, often reading history books under the magnolia tree in front of Columbia's public library.

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