ARCTIC CURRENTLY WARMEST IN OVER 7,500 YEARS, STUDY SAYS

Fri 26 August 2022:

The Arctic has never been as warm in the last 7,500 years as it is today, a study published on Thursday in the journal Nature Communications declared.

The scientists used an analysis of the annual growth rings of trees going back to the year 5618 BC to “find the industrial-era warming to be unprecedented in rate and to have elevated the summer temperature to levels above those reconstructed for the past seven millennia.”

The reconstruction of the climate was possible because erosion on the Yamal Pennisula has unearthed ancient tree trunks, the annual rings of which can be used to read summer temperatures, which impact a tree’s growth.

More than 3,500 tree trunks have been exhumed in Siberia, with 1,425 of them analysed in the study.

-DPA

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