Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE
Though tree-ring chronologies are annually resolved, their dating has never been independently validated at the global scale. Moreover, it is unknown if atmospheric radiocarbon enrichment events of cosmogenic origin leave spatiotemporally consistent fingerprints. Here we measure the 14C content in 4...
| Authors: | ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; |
|---|---|
| Format: | Article |
| Status: | Published version |
| Publication date: | 2018 |
| Country: | Argentina |
| Institution: | Consejo Nacional de Investigaciones Científicas y Técnicas |
| Repository: | CONICET Digital (CONICET) |
| Language: | English |
| OAI Identifier: | oai:ri.conicet.gov.ar:11336/105499 |
| Online Access: | http://hdl.handle.net/11336/105499 |
| Access Level: | Open access |
| Keyword: | INTENSITY OF PAST COSMIC EVENTS ANNUALLY RESOLVED 14C MEASUREMENTS TREE-RING CHRONOLOGIES ATMOSPHERIC RADIOCARBON ENRICHMENT EVENTS https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
| _version_ | 1878404125170860032 |
|---|---|
| author | Büntgen, Ulf |
| author2 | Wacker, Lukas Galván, J. Diego Arnold, Stephanie Arseneault, Dominique Baillie, Michael Beer, Jürg Bernabei, Mauro Bleicher, Niels Boswijk, Gretel Bräuning, Achim Carrer, Marco Ljungqvist, Fredrik Charpentier Cherubini, Paolo Christl, Marcus Christie, Duncan A. Clark, Peter W. Cook, Edward R. D'Arrigo, Rosanne Davi, Nicole Eggertsson, Ólafur Esper, Jan Fowler, Anthony M. Gedalof, Ze'ev Gennaretti, Fabio Grießinger, Jussi Grissino Mayer, Henri Grudd, Håkan Gunnarson, Björn E. Hantemirov, Rashit Herzig, Franz Hessl, Amy Heussner, Karl-Uwe Jull, A. J. Timothy Kukarskih, Vladimir Kirdyanov, Alexander Kolár, Tomás Krusic, Paul J. Kyncl, Tomás Lara, Antonio LeQuesne, Carlos Linderholm, Hans W. Loader, Neil J. Luckman, Brian Miyake, Fusa Myglan, Vladimir S. Nicolussi, Kurt Oppenheimer, Clive Palmer, Jonathan Panyushkina, Irina Pederson, Neil Rybnícek, Michal Schweingruber, Fritz H. Seim, Andrea Sigl, Michael Churakova, Olga Speer, James H. Synal, Hans-Arno Tegel, Willy Treydte, Kerstin Villalba, Ricardo Wiles, Greg Wilson, Rob Winship, Lawrence J. Wunder, Jan Yang, Bao Young, Giles H. F. |
| author2_role | author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author |
| author_browse | Arnold, Stephanie Arseneault, Dominique Baillie, Michael Beer, Jürg Bernabei, Mauro Bleicher, Niels Boswijk, Gretel Bräuning, Achim Büntgen, Ulf Carrer, Marco Cherubini, Paolo Christie, Duncan A. Christl, Marcus Churakova, Olga Clark, Peter W. Cook, Edward R. D'Arrigo, Rosanne Davi, Nicole Eggertsson, Ólafur Esper, Jan Fowler, Anthony M. Galván, J. Diego Gedalof, Ze'ev Gennaretti, Fabio Grießinger, Jussi Grissino Mayer, Henri Grudd, Håkan Gunnarson, Björn E. Hantemirov, Rashit Herzig, Franz Hessl, Amy Heussner, Karl-Uwe Jull, A. J. Timothy Kirdyanov, Alexander Kolár, Tomás Krusic, Paul J. Kukarskih, Vladimir Kyncl, Tomás Lara, Antonio LeQuesne, Carlos Linderholm, Hans W. Ljungqvist, Fredrik Charpentier Loader, Neil J. Luckman, Brian Miyake, Fusa Myglan, Vladimir S. Nicolussi, Kurt Oppenheimer, Clive Palmer, Jonathan Panyushkina, Irina Pederson, Neil Rybnícek, Michal Schweingruber, Fritz H. Seim, Andrea Sigl, Michael Speer, James H. Synal, Hans-Arno Tegel, Willy Treydte, Kerstin Villalba, Ricardo Wacker, Lukas Wiles, Greg Wilson, Rob Winship, Lawrence J. Wunder, Jan Yang, Bao Young, Giles H. F. |
| author_facet | Büntgen, Ulf Wacker, Lukas Galván, J. Diego Arnold, Stephanie Arseneault, Dominique Baillie, Michael Beer, Jürg Bernabei, Mauro Bleicher, Niels Boswijk, Gretel Bräuning, Achim Carrer, Marco Ljungqvist, Fredrik Charpentier Cherubini, Paolo Christl, Marcus Christie, Duncan A. Clark, Peter W. Cook, Edward R. D'Arrigo, Rosanne Davi, Nicole Eggertsson, Ólafur Esper, Jan Fowler, Anthony M. Gedalof, Ze'ev Gennaretti, Fabio Grießinger, Jussi Grissino Mayer, Henri Grudd, Håkan Gunnarson, Björn E. Hantemirov, Rashit Herzig, Franz Hessl, Amy Heussner, Karl-Uwe Jull, A. J. Timothy Kukarskih, Vladimir Kirdyanov, Alexander Kolár, Tomás Krusic, Paul J. Kyncl, Tomás Lara, Antonio LeQuesne, Carlos Linderholm, Hans W. Loader, Neil J. Luckman, Brian Miyake, Fusa Myglan, Vladimir S. Nicolussi, Kurt Oppenheimer, Clive Palmer, Jonathan Panyushkina, Irina Pederson, Neil Rybnícek, Michal Schweingruber, Fritz H. Seim, Andrea Sigl, Michael Churakova, Olga Speer, James H. Synal, Hans-Arno Tegel, Willy Treydte, Kerstin Villalba, Ricardo Wiles, Greg Wilson, Rob Winship, Lawrence J. Wunder, Jan Yang, Bao Young, Giles H. F. |
| author_role | author |
| collection | CONICET Digital (CONICET) |
| description | Though tree-ring chronologies are annually resolved, their dating has never been independently validated at the global scale. Moreover, it is unknown if atmospheric radiocarbon enrichment events of cosmogenic origin leave spatiotemporally consistent fingerprints. Here we measure the 14C content in 484 individual tree rings formed in the periods 770?780 and 990?1000 CE. Distinct 14C excursions starting in the boreal summer of 774 and the boreal spring of 993 ensure the precise dating of 44 tree-ring records from five continents. We also identify a meridional decline of 11-year mean atmospheric radiocarbon concentrations across both hemispheres. Corroborated by historical eye-witness accounts of red auroras, our results suggest a global exposure to strong solar proton radiation. To improve understanding of the return frequency and intensity of past cosmic events, which is particularly important for assessing the potential threat of space weather on our society, further annually resolved 14C measurements are needed. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | AR_ffd7b87fcd51487f9f7eb02f16877b2b |
| identifier_str_mv | Büntgen, Ulf; Wacker, Lukas; Galván, J. Diego; Arnold, Stephanie; Arseneault, Dominique; et al.; Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE; Nature Publishing Group; Nature Communications; 9; 1; 9-2018; 1-7 2041-1723 CONICET Digital CONICET |
| institution | Consejo Nacional de Investigaciones Científicas y Técnicas |
| instname_str | Consejo Nacional de Investigaciones Científicas y Técnicas |
| language | eng |
| network_acronym_str | AR |
| network_name_str | Argentina |
| oai_identifier_str | oai:ri.conicet.gov.ar:11336/105499 |
| publishDate | 2018 |
| publishDateSort | 2018 |
| publisher | Nature Publishing Group |
| publisherStr | Nature Publishing Group |
| reponame_str | CONICET Digital (CONICET) |
| spelling | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE Büntgen, Ulf Wacker, Lukas Galván, J. Diego Arnold, Stephanie Arseneault, Dominique Baillie, Michael Beer, Jürg Bernabei, Mauro Bleicher, Niels Boswijk, Gretel Bräuning, Achim Carrer, Marco Ljungqvist, Fredrik Charpentier Cherubini, Paolo Christl, Marcus Christie, Duncan A. Clark, Peter W. Cook, Edward R. D'Arrigo, Rosanne Davi, Nicole Eggertsson, Ólafur Esper, Jan Fowler, Anthony M. Gedalof, Ze'ev Gennaretti, Fabio Grießinger, Jussi Grissino Mayer, Henri Grudd, Håkan Gunnarson, Björn E. Hantemirov, Rashit Herzig, Franz Hessl, Amy Heussner, Karl-Uwe Jull, A. J. Timothy Kukarskih, Vladimir Kirdyanov, Alexander Kolár, Tomás Krusic, Paul J. Kyncl, Tomás Lara, Antonio LeQuesne, Carlos Linderholm, Hans W. Loader, Neil J. Luckman, Brian Miyake, Fusa Myglan, Vladimir S. Nicolussi, Kurt Oppenheimer, Clive Palmer, Jonathan Panyushkina, Irina Pederson, Neil Rybnícek, Michal Schweingruber, Fritz H. Seim, Andrea Sigl, Michael Churakova, Olga Speer, James H. Synal, Hans-Arno Tegel, Willy Treydte, Kerstin Villalba, Ricardo Wiles, Greg Wilson, Rob Winship, Lawrence J. Wunder, Jan Yang, Bao Young, Giles H. F. INTENSITY OF PAST COSMIC EVENTS ANNUALLY RESOLVED 14C MEASUREMENTS TREE-RING CHRONOLOGIES ATMOSPHERIC RADIOCARBON ENRICHMENT EVENTS https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 Though tree-ring chronologies are annually resolved, their dating has never been independently validated at the global scale. Moreover, it is unknown if atmospheric radiocarbon enrichment events of cosmogenic origin leave spatiotemporally consistent fingerprints. Here we measure the 14C content in 484 individual tree rings formed in the periods 770?780 and 990?1000 CE. Distinct 14C excursions starting in the boreal summer of 774 and the boreal spring of 993 ensure the precise dating of 44 tree-ring records from five continents. We also identify a meridional decline of 11-year mean atmospheric radiocarbon concentrations across both hemispheres. Corroborated by historical eye-witness accounts of red auroras, our results suggest a global exposure to strong solar proton radiation. To improve understanding of the return frequency and intensity of past cosmic events, which is particularly important for assessing the potential threat of space weather on our society, further annually resolved 14C measurements are needed. Fil: Büntgen, Ulf. Eidgenossische Forschungsanstalt Fur Wald, Schnee Und Landschaft Eth-bereichs; . Masaryk University; República Checa Fil: Villalba, Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina Nature Publishing Group http://hdl.handle.net/11336/105499 Büntgen, Ulf; Wacker, Lukas; Galván, J. Diego; Arnold, Stephanie; Arseneault, Dominique; et al.; Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE; Nature Publishing Group; Nature Communications; 9; 1; 9-2018; 1-7 2041-1723 CONICET Digital CONICET |
| spellingShingle | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE Büntgen, Ulf INTENSITY OF PAST COSMIC EVENTS ANNUALLY RESOLVED 14C MEASUREMENTS TREE-RING CHRONOLOGIES ATMOSPHERIC RADIOCARBON ENRICHMENT EVENTS https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
| status_str | publishedVersion |
| title | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE |
| title_full | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE |
| title_fullStr | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE |
| title_full_unstemmed | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE |
| title_short | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE |
| title_sort | Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE |
| topic | INTENSITY OF PAST COSMIC EVENTS ANNUALLY RESOLVED 14C MEASUREMENTS TREE-RING CHRONOLOGIES ATMOSPHERIC RADIOCARBON ENRICHMENT EVENTS https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
| topic_facet | INTENSITY OF PAST COSMIC EVENTS ANNUALLY RESOLVED 14C MEASUREMENTS TREE-RING CHRONOLOGIES ATMOSPHERIC RADIOCARBON ENRICHMENT EVENTS https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
| url | http://hdl.handle.net/11336/105499 |