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New GMST Sci Data paper

New GMST Sci Data paper

A major new compilation of pre-historic temperature records shows that global warming is reaching levels not seen for at least 6000 years.
Over the past 150 years, global warming has more than undone the global cooling that occurred over the past six millennia, according to a major study, "Holocene global mean surface temperature, a multi-method reconstruction approach", published in Nature Research's Scientific Data today.

The study, led by PAGES Scientific Steering Committee member Darrell Kaufman, reconstructs global temperature over the Holocene. The global database on which the temperature reconstruction is based was compiled by an international group of paleoclimate scientists who came together in June 2019 in Switzerland for a PAGES-endorsed meeting. The methods used in the study build on those developed by several PAGES working groups.

Following the last major ice age, the Earth as a whole was warmest during the centuries around 6500 years ago. The global average temperature during this period was likely about 0.7°C higher than during the 1800s. Global warming since then has reached about 1°C.

Access the paper here.

Read the Nature comment piece by Harry Dowsett here.

Access a high-res version of the image here.