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Fig. 3 Rapid ice sheet thinning and climate anomalies within the Bølling-Allerød and Younger Dryas.
Rapid ice sheet thinning and climate anomalies within the Bølling-Allerød and Younger Dryas. (A) GIA-modeled (8, 21) surface ice elevation change for the Cordilleran Ice Sheet and western sector of the Laurentide Ice Sheet between 14.5 and 14.0 ka. (B) (Left) TraCE-simulated (22) anomalies in surface air temperature between 14.0 to 13.8 ka and 14.4 to 14.2 ka. Dark gray shading is the extent of ice cover at 14 ka. (Right) Thicker and dashed contours denote, respectively, zero and negative anomalies in surface air temperature from 12.2 to 12.0 ka and 12.6 to 12.5 ka. Dark gray shading (8) is the extent of ice cover at 12 ka. (C) Same as (B) but for precipitation anomalies. B. Menounos et al. Science 2017;358: Copyright © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works
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