Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE
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https://www.nature.com/articles/s41467-018-06036-0https://elib.sfu-kras.ru/handle/2311/110790
Автор:
Büntgen, U
Wacker, L
Galván, D
Arnold, S
Arseneault, D
Baillie, M
Beer, J
Bernabei, M
Bleicher, N
Boswijk, G
Bräuning, A
Carrer, M
Charpentier, Ljungqvist F
Cherubini, P
Christl, M
Christie, Da
Clark, Pw
Cook, Er
D’Arrigo, R
Davi, N
Eggertsson, O
Esper, J
Fowler, Am
Gedalof, Z
Gennaretti, F
Grießinger, J
Grissino-Mayer, H
Grudd, H
Gunnarson, Be
Hantemirov, R
Herzig, R
Hessl, A
Heussner, K-W
Timothy, Aj
Kukarskih, V
Kirdyanov, A
Kolář, T
Krusic, Pk
Kyncl, T
Carlos, Lequesne L
Lequesne, C
Linderholm, Hw
Loader, Nj
Luckman, B
Miyake, F
Myglan, V
Nicolussi, K
Oppenheimer, C
Palmer, J
Panyushkina, I
Pederson, I
Rybníček, M
Schweingruber, Fh
Seim, A
Sigl, M
Чуракова О.В. (Сидорова О. В.)
Speer, Jh
Synal, H-A
Tegel, W
Treydte, K
Villalba, R
Wiles, G
Wilson, R
Winship, Lj
Wunder, J
Yang, B
Young, Gfh
Коллективный автор:
Институт экологии и географии
Кафедра экологии и природопользования
Лаборатория биогеохимии экосистем
Научно-исследовательская часть
Дата:
2018Журнал:
Nature CommunicationsКвартиль журнала в Scopus:
Q1Квартиль журнала в Web of Science:
Q1Библиографическое описание:
Büntgen, U. Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE [Текст] / U Büntgen, L Wacker, D Galván, S Arnold, D Arseneault, M Baillie, J Beer, M Bernabei, N Bleicher, G Boswijk, A Bräuning, M Carrer, Ljungqvist F Charpentier, P Cherubini, M Christl, Da Christie, Pw Clark, Er Cook, R D’Arrigo, N Davi, O Eggertsson, J Esper, Am Fowler, Z Gedalof, F Gennaretti, J Grießinger, H Grissino-Mayer, H Grudd, Be Gunnarson, R Hantemirov, R Herzig, A Hessl, K-W Heussner, Aj Timothy, V Kukarskih, A Kirdyanov, T Kolář, Pk Krusic, T Kyncl, Lequesne L Carlos, C Lequesne, Hw Linderholm, Nj Loader, B Luckman, F Miyake, V Myglan, K Nicolussi, C Oppenheimer, J Palmer, I Panyushkina, I Pederson, M Rybníček, Fh Schweingruber, A Seim, M Sigl, Чуракова О.В. (Сидорова О. В.), Jh Speer, H-A Synal, W Tegel, K Treydte, R Villalba, G Wiles, R Wilson, Lj Winship, J Wunder, B Yang, Gfh Young // Nature Communications. — 2018. — Т. 9 (№ 1). — С. 1-7Аннотация:
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.