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Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings. / Uusitalo, Joonas; Golubenko, Kseniia; Arppe, Laura; Brehm, Nicolas; Hackman, Thomas; Hayakawa, Hisashi; Helama, Samuli; Mizohata, Kenichiro; Miyake, Fusa; Mäkinen, Harri; Nöjd, Pekka; Tanskanen, Eija; Tokanai, Fuyuki; Rozanov, Eugene; Wacker, Lukas; Usoskin, Ilya; Oinonen, Markku.

In: Geophysical Research Letters, Vol. 51, No. 5, e2023GL106632, 05.03.2024.

Research output: Contribution to journalArticlepeer-review

Harvard

Uusitalo, J, Golubenko, K, Arppe, L, Brehm, N, Hackman, T, Hayakawa, H, Helama, S, Mizohata, K, Miyake, F, Mäkinen, H, Nöjd, P, Tanskanen, E, Tokanai, F, Rozanov, E, Wacker, L, Usoskin, I & Oinonen, M 2024, 'Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings', Geophysical Research Letters, vol. 51, no. 5, e2023GL106632. https://doi.org/10.1029/2023GL106632, https://doi.org/10.1029/2023gl106632

APA

Uusitalo, J., Golubenko, K., Arppe, L., Brehm, N., Hackman, T., Hayakawa, H., Helama, S., Mizohata, K., Miyake, F., Mäkinen, H., Nöjd, P., Tanskanen, E., Tokanai, F., Rozanov, E., Wacker, L., Usoskin, I., & Oinonen, M. (2024). Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings. Geophysical Research Letters, 51(5), [e2023GL106632]. https://doi.org/10.1029/2023GL106632, https://doi.org/10.1029/2023gl106632

Vancouver

Uusitalo J, Golubenko K, Arppe L, Brehm N, Hackman T, Hayakawa H et al. Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings. Geophysical Research Letters. 2024 Mar 5;51(5). e2023GL106632. https://doi.org/10.1029/2023GL106632, https://doi.org/10.1029/2023gl106632

Author

Uusitalo, Joonas ; Golubenko, Kseniia ; Arppe, Laura ; Brehm, Nicolas ; Hackman, Thomas ; Hayakawa, Hisashi ; Helama, Samuli ; Mizohata, Kenichiro ; Miyake, Fusa ; Mäkinen, Harri ; Nöjd, Pekka ; Tanskanen, Eija ; Tokanai, Fuyuki ; Rozanov, Eugene ; Wacker, Lukas ; Usoskin, Ilya ; Oinonen, Markku. / Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings. In: Geophysical Research Letters. 2024 ; Vol. 51, No. 5.

BibTeX

@article{8ef184eef52c47edbc0687de5bfb6793,
title = "Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings",
abstract = "The Carrington event of 1859 has been the strongest solar flare in the observational history. It plays a crucial role in shedding light on the frequency and impacts of the past and future Solar Energetic Particle (SEP) events on human societies. We address the impact of the Carrington event by measuring tree-ring 14C with multiple replications from high-latitude locations around the event and by comparing them with mid-latitude measurements. A transient offset in 14C following the event is observed with high statistical significance. Our state-of-the-art 14C production and transport model does not reproduce the observational finding, suggesting features beyond present understanding. Particularly, our observation would require partially fast transport of 14C between the stratosphere and troposphere at high latitudes. The observation is consistent with the previous findings with the SEP events of 774 and 993 CE for which faster integration of 14C into tree rings is observed at high latitudes.",
keywords = "Carrington event, solar eruptions, space weather, stratosphere-troposphere exchange, tree-rings",
author = "Joonas Uusitalo and Kseniia Golubenko and Laura Arppe and Nicolas Brehm and Thomas Hackman and Hisashi Hayakawa and Samuli Helama and Kenichiro Mizohata and Fusa Miyake and Harri M{\"a}kinen and Pekka N{\"o}jd and Eija Tanskanen and Fuyuki Tokanai and Eugene Rozanov and Lukas Wacker and Ilya Usoskin and Markku Oinonen",
year = "2024",
month = mar,
day = "5",
doi = "10.1029/2023GL106632",
language = "English",
volume = "51",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "5",

}

RIS

TY - JOUR

T1 - Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings

AU - Uusitalo, Joonas

AU - Golubenko, Kseniia

AU - Arppe, Laura

AU - Brehm, Nicolas

AU - Hackman, Thomas

AU - Hayakawa, Hisashi

AU - Helama, Samuli

AU - Mizohata, Kenichiro

AU - Miyake, Fusa

AU - Mäkinen, Harri

AU - Nöjd, Pekka

AU - Tanskanen, Eija

AU - Tokanai, Fuyuki

AU - Rozanov, Eugene

AU - Wacker, Lukas

AU - Usoskin, Ilya

AU - Oinonen, Markku

PY - 2024/3/5

Y1 - 2024/3/5

N2 - The Carrington event of 1859 has been the strongest solar flare in the observational history. It plays a crucial role in shedding light on the frequency and impacts of the past and future Solar Energetic Particle (SEP) events on human societies. We address the impact of the Carrington event by measuring tree-ring 14C with multiple replications from high-latitude locations around the event and by comparing them with mid-latitude measurements. A transient offset in 14C following the event is observed with high statistical significance. Our state-of-the-art 14C production and transport model does not reproduce the observational finding, suggesting features beyond present understanding. Particularly, our observation would require partially fast transport of 14C between the stratosphere and troposphere at high latitudes. The observation is consistent with the previous findings with the SEP events of 774 and 993 CE for which faster integration of 14C into tree rings is observed at high latitudes.

AB - The Carrington event of 1859 has been the strongest solar flare in the observational history. It plays a crucial role in shedding light on the frequency and impacts of the past and future Solar Energetic Particle (SEP) events on human societies. We address the impact of the Carrington event by measuring tree-ring 14C with multiple replications from high-latitude locations around the event and by comparing them with mid-latitude measurements. A transient offset in 14C following the event is observed with high statistical significance. Our state-of-the-art 14C production and transport model does not reproduce the observational finding, suggesting features beyond present understanding. Particularly, our observation would require partially fast transport of 14C between the stratosphere and troposphere at high latitudes. The observation is consistent with the previous findings with the SEP events of 774 and 993 CE for which faster integration of 14C into tree rings is observed at high latitudes.

KW - Carrington event

KW - solar eruptions

KW - space weather

KW - stratosphere-troposphere exchange

KW - tree-rings

UR - https://www.mendeley.com/catalogue/f43c1ecb-e531-35d4-9eb7-e44f525c492a/

U2 - 10.1029/2023GL106632

DO - 10.1029/2023GL106632

M3 - Article

VL - 51

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 5

M1 - e2023GL106632

ER -

ID: 122467923