title: A reconstruction of regional and global temperature for the past 11,300 years.
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.
authors.affiliation: College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA. marcotts@science.oregonstate.edu
authors.forename: Shaun A
authors.initials: SA
authors.lastname: Marcott
authors.forename: Jeremy D
authors.initials: JD
authors.lastname: Shakun
authors.forename: Peter U
authors.initials: PU
authors.lastname: Clark
authors.forename: Alan C
authors.initials: AC
authors.lastname: Mix
mesh_terms: D057232:Global Warming / Q000266:history* / Q000706:statistics & numerical data; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D049690:History, Ancient; D049691:History, Medieval; D008962:Models, Theoretical; D013696:Temperature