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DOI10.1029/2020JD032855
Comprehensive Record of Volcanic Eruptions in the Holocene (11,000 years) From the WAIS Divide, Antarctica Ice Core
Cole-Dai J.; Ferris D.G.; Kennedy J.A.; Sigl M.; McConnell J.R.; Fudge T.J.; Geng L.; Maselli O.J.; Taylor K.C.; Souney J.M.
发表日期2021
ISSN2169897X
卷号126期号:7
英文摘要A comprehensive record (WHV2020) of explosive volcanic eruptions in the last 11,000 years is reconstructed from the West Antarctica Ice Sheet Divide deep ice core (WDC). The chronological list of 426 large volcanic eruptions in the Southern Hemisphere and the low latitudes during the Holocene are of the highest quality of all volcanic records from ice cores, owing to the high-resolution chemical measurement of the ice core and the exceptionally accurate WDC timescale. No apparent trend is found in the frequency (number of eruptions per millennium) of volcanic eruptions, and the number of eruptions in the most recent millennium (1,000–2,000 CE) is only slightly higher than the average in the last 11 millennia. The atmospheric aerosol mass loading of climate-impacting sulfur, estimated from measured volcanic sulfate deposition, is dominated by explosive eruptions with extraordinarily high sulfur mass loading. Signals of three major volcanic eruptions are detected in the second half of the 17th century (1700–1600) BCE when the Thera volcano in the eastern Mediterranean was suspected to have erupted; the fact that these signals are synchronous with three volcanic eruptions detected in Greenland ice cores suggests that these are likely eruptions in the low latitudes and none should be attributed exclusively to Thera. A number of eruptions with very high sulfur mass loading took place shortly before and during an early Holocene climatic episode, the so-called 8.2 ka event, and are speculated to have contributed to the initiation and magnitude of the cold event. © 2021. The Authors.
英文关键词8.2 ka event; ice cores; Thera; volcanic eruptions; volcanic records; WAIS Divide
语种英语
来源期刊Journal of Geophysical Research: Atmospheres
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/185344
作者单位Department of Chemistry and Biochemistry, South Dakota State University, Avera Health and Science Center, Brookings, SD, United States; Department of Earth Sciences, Dartmouth College, Hanover, NH, United States; Physics Institute & Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland; Desert Research Institute, Nevada System of Higher Education, Reno, NV, United States; Department of Earth and Space Sciences, University of Washington, Seattle, WA, United States; School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, China; Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH, United States
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Cole-Dai J.,Ferris D.G.,Kennedy J.A.,et al. Comprehensive Record of Volcanic Eruptions in the Holocene (11,000 years) From the WAIS Divide, Antarctica Ice Core[J],2021,126(7).
APA Cole-Dai J..,Ferris D.G..,Kennedy J.A..,Sigl M..,McConnell J.R..,...&Souney J.M..(2021).Comprehensive Record of Volcanic Eruptions in the Holocene (11,000 years) From the WAIS Divide, Antarctica Ice Core.Journal of Geophysical Research: Atmospheres,126(7).
MLA Cole-Dai J.,et al."Comprehensive Record of Volcanic Eruptions in the Holocene (11,000 years) From the WAIS Divide, Antarctica Ice Core".Journal of Geophysical Research: Atmospheres 126.7(2021).
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