GERACLIS

Publications

2026

  1. 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. Hörlöck, 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.
  2. Larsen, N., I. Usoskin, A. Mishev, S. Koldobskiy, P. Väisänen (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.

2025

  1. Koldobskiy, S., I. Usoskin, V. Vasiliev, A. Shapiro (2025) Solar flares versus solar energetic particle events: Probabilistic projections to extreme events, Astron. Astrophys., 702, A195, doi: 10.1051/0004-6361/202556069.
  2. Poluianov, S., Mishev, A., Kryakunova, O., Seifullina, B., Nikolayevskiy, N., Usoskin, I., Ground-Level Enhancement of 8 June 2024 (GLE 75) Caused by Solar Energetic Particles, Solar Phys., 300, 113, 2025, doi: 10.1007/s11207-025-02518-9.
  3. Chatzistergos, T., N. Krivova, H. Sundermann, I. Usoskin (2025) Assessment of sunspot number cross-calibration approaches, Astron. Astrophys. 699, A157, doi: 10.1051/0004-6361/202554896
  4. Usoskin, I., T. Chatzistergos, S.K. Solanki, N. Krivova, G. Kovaltsov, N. Brehm, M. Christl, L. Wacker (2025) Sunspot cycles for the first millennium BC reconstructed from radiocarbon, Astron. Astrophys. 698, A182, doi: 10.1051/0004-6361/202555148 
  5. Papaioannou, A., Mishev, A., Usoskin, I. et al. The High-Energy Protons of the Ground Level Enhancement (GLE74) Event on 11 May 2024. Sol Phys 300, 73 (2025). doi;10.1007/s11207-025-02486-0.
  6. Aguilar, M. et al. (2025) Properties of Cosmic Lithium Isotopes Measured by the Alpha Magnetic Spectrometer, Phys. Rev. Lett., 134, 201001, doi: 10.1103/PhysRevLett.134.201001.
  7. A. Mishev, N. Larsen , E. Asvestari , A. Saiz , M. A. Shea, D. T. Strauss, D. Ruffolo , C. Banglieng , S. Seunarine , M. L. Duldig , A. Gil, I. Usoskin (2025) Anisotropic Forbush decrease of 24 March 2024 Space Research Today  222, 61-65.
  8. K. Golubenko, I. Usoskin, E. Rozanov, E. Bard (2025) New SOCOL:14C-Ex model reveals that the Late-Glacial radiocarbon spike in 12350 BC was caused by the record-strong extreme solar storm, EPSL, Vol. 661, 119383, ISSN 0012- 821x, doi:10.1016/j.epsl.2025.119383.
  9. Mukhopadhyay, A., S. Panovska, R. Garvey, M.W. Liemohn, N. Ganjushkina, A. Brenner, I. Usoskin, M. Balikhin, D.T. Wellinget (2025) Wandering of the auroral oval 41,000 years ago. Sci. Adv. 11, eadq7275, doi:10.1126/sciadv.adq7275
  10. Acero, F.J., V. Carrasco, M. Gallego, I. Usoskin, J. Vaquero (2025) 14C-Based Sunspot Numbers for the Last Millennium Encompass the Full Range of Variability: Extreme Value Theory, Sol. Phys., 300, 50. Doi: 10.1007/s11207-025-02464-6
  11. Aguilar, M. et al. (2025) Solar Modulation of Cosmic Nuclei over a Solar Cycle: Results from the Alpha Magnetic Spectrometer, Phys. Rev. Lett., 134, 051001. doi:10.1103/PhysRevLett.134.051001.
  12. Aguilar, M. et al. (2025) Antiprotons and Elementary Particles over a Solar Cycle: Results from the Alpha Magnetic Spectrometer, Phys. Rev. Lett., 134, 051002. doi:10.1103/PhysRevLett.134.051002.
  13. Poluianov, S. and Engelbrecht, N.E., Detectability of the passage of the heliosphere through an interstellar cloud with cosmogenic nuclides in lunar soil, Astron. Astrophys., 694, A62, 2025, doi:10.1051/0004-6361/202452337.
  14. Morgenstern, O., R. Moss, M. Manning, G. Zeng, H. Schaefer, I. Usoskin, J. Turnbull, G. Brailsford, S. Nichol, T. Bromley (2025) Radiocarbon monoxide indicates increasing atmospheric oxidizing capacity, Nature Comm., 16, 249, doi:10.1038/s41467-024-55603-1

2024

  1. Hayakawa H., …, A. Mishev, S. Koldobskiy et al. (2024), The Astrophysical Journal, DOI: 10.3847/1538-4357/ad9335
  2. V. Vasilyev, T. Reinhold, A. I. Shapiro, I. Usoskin et al., Sun-like stars produce superflares roughly once per century. Science 386, 1301-1305(2024). Doi:10.1126/science.adl5441.
  3. Heaton, T., E. Bard, A. Bayliss, M. Blaauw, C. Bronk Ramsey, P.J. Reimer, C.S.M. Turney, I. Usoskin (2024) Extreme solar storms and the quest for exact dating with radiocarbon, Nature, 633, 306-317. Doi: 10.1038/s41586-024-07679-4.
  4. Mishev, A., N. Larsen, E. Asvestari, … I. Usoskin (2024) Anisotropic Forbush decrease of 24 March 2024: First look, Adv. Space Res., 74, 4160-4172. Doi: /10.1016/j.asr.2024.08.027.
  5. Denisenko, V.V., Rozanov, E.V., Belyuchenko, K.V., Golubenko, K.S.  et al. The Ionospheric Electric Field Perturbation with an Increase in Radon Emanation. Russ. J. Phys. Chem. B 18, 837–843 (2024), doi:10.1134/S199079312470026X.
  6. Golubenko, K., Rozanov, E., Kovaltsov, G., Baroni, M., Sukhodolov, T., & Usoskin, I. (2024). Full modeling and practical parameterization of cosmogenic 10Be transport for cosmic-ray studies: SOCOL-AERv2-BE model. Journal of Geophysical Research: Space Physics, 129, e2024JA032504, doi:10.1029/2024JA032504.
  7. Gil, A., E. Asvestari, A. Mishev, N. Larsen, I. Usoskin (2024) New anisotropic cosmic-ray enhancement (ACRE) event on 5 November 2023 due to complex heliospheric conditions, Sol. Phys., 299, 97, doi: 10.1007/s11207-024-02338-3
  8. Arsenović, P., E. Rozanov, I. Usoskin, C. Turney, T. Sukhodolov, K. McCracken, M. Friedel, J. Anet, S. Simić, V. Maliniemi, T. Egorova, M. Korte, H. Rieder, A. Cooper, T. Peter (2024) Global impacts of an extreme solar particle event under different geomagnetic field strengths, Proc. Nat. Acad. Sci., 121, e2321770121, doi: 10.1073/pnas.2321770121.
  9. Aguilar, M. et al. (2024) Properties of Cosmic Deuterons Measured by the Alpha Magnetic Spectrometer, Phys. Rev. Lett., 132, 261001. doi:10.1103/PhysRevLett.132.261001.
  10. Owens, M., L. Barnard, R. Muscheler, K. Herbst, M. Lockwood, I. Usoskin, E.Asvestari (2024) A Geomagnetic Estimate of Heliospheric Modulation Potential over the Last 175 Years, Solar Phys., 299, 86, doi: 10.1007/s11207-024-02316-9.
  11. Hayakawa, H., S. Koldobskiy, A. Mishev, S. Poluianov, A. Gil, I. Usoskina, I. Usoskin (2024) Revision of the strongest solar energetic particle event of 23 February 1956 (GLE #5) based on the rediscovered original records, Astron. Astrophys., 684, A46, doi: 10.1051/0004-6361/202348699.
  12. Uusitalo, J., Golubenko, K., Arppe, L., Brehm, N., Hackman, T., Hayakawa, H., et al. (2024). Transient offset in 14C after the Carrington event recorded by polar tree rings. Geophysical Research Letters, 51, e2023GL106632. doi: 10.1029/2023GL106632
  13. Alexander Mishev, Peter Velinov Altitude profile of ion production and ionization effect at the Regener-Pfotzer region during the GLE 71 on 17 May 2012. SSN:1314-5592 Bulgarian Astronomical Journal 40, 36-45, 2024.
  14. Mishev, A.L., Koldobskiy, S.A., Larsen, N., I. Usoskin (2024) Spectra and Anisotropy of Solar Energetic Protons During GLE #65 on 28 October, 2003 and GLE #66 on 29 October, 2003. Sol Phys 299, 24. doi: 10.1007/s11207-024-02269-z
  15. Borthakur, M., M. Sinnhuber, A. Laeng, T. Reddmann, P. Braesicke, G. Stiller, T. Clarmann, B. Funke, I. Usoskin, J. Wissing, O. Yakovchuk (2024). Determining the Impact of Chlorine Ion Chemistry on Ozone Loss in the Middle Atmosphere during Very Large Solar Proton Events. Emerging Issues in Env., Geogr. Earth Sci., 7, 1–40, doi: 10.9734/bpi/eieges/v7/7247C
  16. Funke, B., T. Dudok de Wit, I. Ermolli, M. Haberreiter, D. Kinnison, D. Marsh, H. Nesse, A. Seppälä, M. Sinnhuber, I. Usoskin (2024) Towards the definition of a solar forcing dataset for CMIP7, Geosci. Mod. Dev., 17, 1217, doi: 10.5194/gmd-17-1217-2024.