Posted by: Tony Carson | 16 September, 2007

Ancient records help test climate change

Diaries of day-to-day weather details from the age before 19th-century standardized thermometers are proving of great value to scientists who study today’s climate. Historical accounts were once largely ignored, as they were thought to be fraught with inaccuracy or were simply inaccessible or illegible. But the booming interest in climate change has transformed the study of ancient weather records from what was once a “wallflower science,” says Christian Pfister, a climate historian at the University of Bern.

“Jan. 11 was so frightfully cold that all of the communion wine froze,” says an entry from 1684 by Brother Josef Dietrich, governor and “weatherman” of the once-powerful Einsiedeln Monastery. “Since I’ve been an ordained priest, the sacrament has never frozen in the chalice.”

The AP story is here:


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