Ontology highlight
ABSTRACT:
SUBMITTER: Pendleton SL
PROVIDER: S-EPMC6347664 | biostudies-literature | 2019 Jan
REPOSITORIES: biostudies-literature
Pendleton Simon L SL Miller Gifford H GH Lifton Nathaniel N Lehman Scott J SJ Southon John J Crump Sarah E SE Anderson Robert S RS
Nature communications 20190125 1
Arctic temperatures are increasing faster than the Northern Hemisphere average due to strong positive feedbacks unique to polar regions. However, the degree to which recent Arctic warming is unprecedented remains debated. Ages of entombed plants in growth position preserved by now receding ice caps in Arctic Canada help to address this issue by placing recent conditions in a multi-millennial context. Here we show that pre-Holocene radiocarbon dates on plants collected at the margins of 30 ice ca ...[more]