University of Oulu

Ilya Usoskin

CV
The group
List of publications
Position Professor, Head of Oulu Cosmic Ray station
Vice-Director of ReSoLVE Center of Excellence
Address: Sodankyla Geophysical Observatory (Oulu unit) and Dept. of Physics
P.O.Box 3000, FIN-90014 University of Oulu
FINLAND
Telephone: +358-50-3441247
e-mail:
Room: FY256-A
Official website: Ilya Usoskin
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Recent publications:
NEW -> Temaj, D., N.A. Krivova, S.K. Solanki, I.G. Usoskin, T. Chatzistergos (2026) Reconstruction of annual solar irradiance over the last three millennia, Astron. Astrophys. Lett., 710, L24, doi: 10.1051/0004-6361/202659432

  • Usoskin, I.G., S. K. Solanki, N. A. Krivova, T. Chatzistergos (2026) Cyclic sunspot activity during the first millennium CE as reconstructed from radiocarbon, Astron. Astrophys. 708, A333, doi: 10.1051/0004-6361/202659038.
  • Mishev, A., B. Heber, K.-L. Klein, R. Vainio, H. Mavromichalaki, O. Raukunen, N. Larsen, N. Petrov, N. Nikonov, S. Masson, M. Pesce-Rollins, B.T. Kress, V. Bindi, M. Gerontidou, M. Horlock, S. Koldobskiy, E. Riihonen, J.V. Rodriguez, I. Usoskin (2026) Ground level enhancement GLE #77 on 11 November 2025: a data summary, Adv. Space Res., 77, 9764-9783. Doi: 10.1016/j.asr.2026.03.023.
  • Larsen, N., I. Usoskin, A. Mishev, S. Koldobskiy, P. Vaisanen (2026). Reduced Geomagnetic Shielding During the Laschamps Excursion and Its Impact on Cosmic-Ray-Induced Atmospheric Radiation. J. Geophys. Res. Space Phys., 131(2), e2025JA034820. Doi: 10.1029/2025JA034820

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