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Multiradionuclide e...
Multiradionuclide evidence for an extreme solar proton event around 2,610 BP (similar to 660 BC)
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- O'Hare, Paschal (författare)
- Lund Univ, Dept Geol Quaternary Sci, S-22362 Lund, Sweden,Lund University
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- Mekhaldi, Florian (författare)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
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- Adolphi, Florian (författare)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science,University of Bern
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- Raisbeck, Grant (författare)
- Univ Paris Saclay, CNRS, Ctr Sci Nucl & Sci Matiere, F-91405 Orsay, France,University of Paris-Saclay
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- Aldahan, Ala (författare)
- United Arab Emirates Univ, Dept Geol, Al Ain, U Arab Emirates,United Arab Emirates University
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- Anderberg, Emma (författare)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
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- Beer, Jurg (författare)
- Swiss Fed Inst Aquat Sci & Technol, Dept Surface Waters, CH-8600 Dubendorf, Switzerland,Eawag: Swiss Federal Institute of Aquatic Science and Technology
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- Christl, Marcus (författare)
- Swiss Fed Inst Technol, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland
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- Fahrni, Simon (författare)
- Swiss Fed Inst Technol, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland
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- Synal, Hans-Arno (författare)
- Swiss Fed Inst Technol, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland
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- Park, Junghun (författare)
- Korea Inst Geosci & Mineral Resources, Daejeon 34132, South Korea,Korea Institute of Geoscience and Mineral Resources
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- Possnert, Göran, 1951- (författare)
- Uppsala University,Uppsala universitet,Tandemlaboratoriet
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- Southon, John (författare)
- Univ Calif Irvine, Keck Accelerator Mass Spectrometry AMS Lab, Irvine, CA 92697 USA,University of California, Irvine
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- Bard, Edouard (författare)
- Aix Marseille Univ, CNRS, Inst Natl Rech Agron, Coll France,CEREGE,IRD,UMR 34, F-13545 Aix En Provence, France,Aix-Marseille University
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- Muscheler, Raimund (författare)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
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(creator_code:org_t)
- 2019-03-11
- 2019
- Engelska.
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : NATL ACAD SCIENCES. - 0027-8424 .- 1091-6490. ; 116:13, s. 5961-5966
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://www.pnas.org...
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http://dx.doi.org/10... (free)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Recently, it has been confirmed that extreme solar proton events can lead to significantly increased atmospheric production rates of cosmogenic radionuclides. Evidence of such events is recorded in annually resolved natural archives, such as tree rings [carbon-14 (C-14)] and ice cores [beryllium-10 (Be-10), chlorine-36 (Cl-36)]. Here, we show evidence for an extreme solar event around 2,610 years B.P. (similar to 660 BC) based on high-resolution Be-10 data from two Greenland ice cores. Our conclusions are supported by modeled C-14 production rates for the same period. Using existing Cl-36 ice core data in conjunction with Be-10, we further show that this solar event was characterized by a very hard energy spectrum. These results indicate that the 2,610-years B.P. event was an order of magnitude stronger than any solar event recorded during the instrumental period and comparable with the solar proton event of AD 774/775, the largest solar event known to date. The results illustrate the importance of multiple ice core radionuclide measurements for the reliable identification of short-term production rate increases and the assessment of their origins.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)
Nyckelord
- solar storms
- radionuclides
- ice cores
- solar proton events
- Ice cores
- Radionuclides
- Solar proton events
- Solar storms
Publikations- och innehållstyp
- ref (ämneskategori)
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O'Hare, Paschal
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Mekhaldi, Floria ...
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Adolphi, Florian
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Raisbeck, Grant
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Aldahan, Ala
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Anderberg, Emma
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visa fler...
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Beer, Jurg
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Christl, Marcus
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Fahrni, Simon
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Synal, Hans-Arno
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Park, Junghun
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Possnert, Göran, ...
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Southon, John
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Bard, Edouard
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Muscheler, Raimu ...
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Uppsala universitet
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