A Reconstruction of Regional and Global Temperature for the Past 11,300 Years
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Material Information

Title:
A Reconstruction of Regional and Global Temperature for the Past 11,300 Years
Series Title:
Science Magazine Volume 339
Creator:
Marcott, Shaun A.
Shakun, Jeremy D.
Clark, Peter U.
Mix, Alan C.
Affiliation:
Oregon State University -- College of Earth, Ocean, and Atmospheric Sciences
Harvard University -- Department of Earth and Planetary Sciences
Oregon State University -- College of Earth, Ocean, and Atmospheric Sciences
Oregon State University -- College of Earth, Ocean, and Atmospheric Sciences
Publisher:
American Association for the Advancement of Science
Publication Date:
Language:
English

Notes

Abstract:
Surface temperature reconstructions of the past 1500 years suggest that recent warming is unprecedented in that time. Here we provide a broader perspective by reconstructing regional and global temperature anomalies for the past 11,300 years from 73 globally distributed records. Early Holocene (10,000 to 5000 years ago) warmth is followed by ~0.7°C cooling through the middle to late Holocene (<5000 years ago), culminating in the coolest temperatures of the Holocene during the Little Ice Age, about 200 years ago. This cooling is largely associated with ~2°C change in the North Atlantic. Current global temperatures of the past decade have not yet exceeded peak interglacial values but are warmer than during ~75% of the Holocene temperature history. Intergovernmental Panel on Climate Change model projections for 2100 exceed the full distribution of Holocene temperature under all plausible greenhouse gas emission scenarios.

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Source Institution:
Florida International University
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