A hallway at the International Arctic Research Center carries a new striped design showcasing the arctic’s climate year-by-year since 1900, a window into the region’s past.
FAIRBANKS, Alaska - A hallway at the International Arctic Research Center carries a new striped design showcasing the arctic’s climate year-by-year since 1900 - a window into the region’s past.
Each strip represents one year of average climate in the arctic. “We take the average temperature for each year, and then rank them,” Thoman continued, “so that the coldest year gets the deepest blue, the warmest year gets the deepest red, and so we just have a continuous gradation between that.”Since the 1990s, an overwhelming trend can be observed. “There’s some year to year variability, but the pattern as you walk along here is very very clear,” Thoman said.
The process of reconstructing past temperatures carries with it some uncertainty. “There’s certainly more uncertainty in some of these earlier years than we have nowadays. We have less individual stations nowadays in the arctic, but we have more things like satellite estimates, that kind of thing,” Thoman said.
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