Burgundy wine grapes tell climate story, show warming accelerated in past 30 years

ScienceDaily | 8/29/2019 | Staff
gemini2323 (Posted by) Level 3
"We did not anticipate that the accelerated warming trend since the mid-1980s would stand out so clearly in the series," says Christian Pfister, a professor at the Oeschger Centre for Climate Change Research at the University of Bern, Switzerland. He conducted the study with other scientists and historians in Switzerland, France and Germany.

Thomas Labbé, a researcher at the universities of Burgundy and Leipzig and lead-author of the study, meticulously reconstructed dates of grape harvest in Beaune -- the wine capital of Burgundy -- going back to 1354. He used a large number of unedited archival sources, including information on wage payments made to grape pickers, Beaune city council records and newspaper reports. The continuous record of grape harvest dates now published in Climate of the Past extends until 2018 and is the longest ever reconstructed.

Record - Parts - Labbé - Grapes - September

"The record is clearly divided in two parts," says Labbé. Until 1987, wine grapes were typically picked from 28 September onward, while harvests have begun 13 days earlier on average since 1988. The team's analysis of the series shows very hot and...
(Excerpt) Read more at: ScienceDaily
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