Ilya G. Usoskin

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Usoskin, Ilya
Usoskin in 2019
Born (1965-01-17) January 17, 1965 (age 59)
Leningrad, USSR
NationalityFinland
EducationPeter the Great St. Petersburg Polytechnic University (MSc 1988)
Ioffe Institute (Candidate of Sciences 1995)
University of Oulu (PhD 2000)
SpouseInna Usoskina
AwardsKnight, 1st Class, of the Order of the Lion of Finland (2013); Julius Bartels medal of the European Geosciences Union (2018)
Scientific career
FieldsAstrophysics, Solar Physics, Cosmic Rays
InstitutionsUniversity of Oulu (1999–present)
Thesis Solar activity changes and modulation of cosmic rays[1]  (2000)
Websitewww.oulu.fi/en/researchers/ilya-usoskin

Ilya G. Usoskin[2] is a Finnish astrophysicist who is a professor at University of Oulu and head of Cosmic Ray Station at Sodankylä Geophysical Observatory. He is a Vice President of the International Astronomical Union since 2021.[3][4]

Education

In 1982, Ilya Usoskin graduated from the Saint Petersburg Lyceum 239[5] with intensified study of physics and mathematics, in parallel with Grigory Perelman. Then he became a student at the Peter the Great St. Petersburg Polytechnic University and finished it as an MSc in physics (Space Physics) in 1988.

Career

Since 1988, he worked as a junior researcher in the field of Astrophysics at the Ioffe Institute, where he obtained the Candidate of Sciences degree in astrophysics in 1995.[6] During 1997–1999, he was a postdoctoral researcher at the INFN Milano working on the Alpha Magnetic Spectrometer experiment. [7] Since 2000, he has been a staff of the University of Oulu—head of the Oulu Cosmic Ray station. [8]

In 2000, he got PhD in Space Physics,[1] in 2002, he became a Docent, and a full Professor in 2012.[9]

Recognition and honors

Research

Usoskin works in the fields of Solar Physics, Cosmic Rays, Heliosphere and Space Climate. He has co-authored more than 400 research publications with tens of thousands of citations.[14][15]

His main research achievements include:

  • Foundation of a new research discipline Space Climate, focused on long-term global changes in the terrestrial and near-Earth environment;
  • Invention of a novel method to model atmospheric effects of cosmic rays;
  • Invention of a novel method of past solar activity reconstructions using cosmogenic isotopes;
  • Foundation of a new paradigm of extreme solar events known also as Miyake events.

Selected publications

  • Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003), "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s", Physical Review Letters, 91 (21): 211101, doi:10.1103/PhysRevLett.91.211101
  • Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004), "Unusual activity of the Sun during recent decades compared to the previous 11,000 years", Nature, 431 (7012): 1084–1087, doi:10.1038/nature02995
  • Usoskin, I.G.; Alanko-Huotari, K.; Kovaltsov, G.A.; Mursula, K. (2005), "Heliospheric modulation of cosmic rays: Monthly reconstruction for 1951-2004", Journal of Geophysical Research, 110 (A12): A12108, doi:10.1029/2005JA011250
  • Usoskin, I.G.; Kovaltsov, G.A. (2006), "Cosmic ray induced ionization in the atmosphere: Full modeling and practical applications", Journal of Geophysical Research, 111: D21206, doi:10.1029/2006JD007150
  • Usoskin, I.G.; Kromer, B.; Ludlow, F.; Beer, J.; Friedrich, M.; Kovaltsov, G.A.; Solanki, S.K.; Wacker, L. (2013), "The AD775 cosmic event revisited: the Sun is to blame", Astronomy and Astrophysics Letters, 552: L3, arXiv:1302.6897, doi:10.1051/0004-6361/201321080
  • Usoskin, Ilya G. (2017), "A history of solar activity over millennia", Living Reviews in Solar Physics, 14: 3, arXiv:0810.3972, doi:10.1007/s41116-017-0006-9
  • Usoskin, I.G.; Miyake, F.; Baroni, M.; et al. (2023), "Extreme Solar Events: Setting up a Paradigm", Space Science Reviews, 219: 73, doi:10.1007/s11214-023-01018-1, hdl:20.500.11850/641517

References

  1. ^ a b "FINNA". www.finna.fi/Record/vaari.815970?lng=en-gb.
  2. ^ Ilya G. Usoskin, Wikidata Q56559861
  3. ^ a b "IAU". www.iau.org/administration/executive_bodies/executive_committee/.
  4. ^ "IAU Usoskin". www.iau.org/administration/membership/individual/13681/.
  5. ^ "School 239 alumni". zs.239store.ru.
  6. ^ "Ioffe library".
  7. ^ "INFN Milano AS group". ams02.space/collaboration/institute/infn-and-university-milano-bicocca.
  8. ^ "Oulu Cosmic Ray Station". cosmicrays.oulu.fi.
  9. ^ "Oulu Staff". www.oulu.fi/en/researchers/ilya-usoskin.
  10. ^ "Kaleva". www.kaleva.fi/kunniamerkit-julkistettiin-katso-lista-pohjoisen-p/1728379.
  11. ^ "EGU Bartels medal". www.egu.eu/awards-medals/julius-bartels/2018/ilya-g-usoskin.
  12. ^ "Academy members". acadsci.fi/jasenet/kotimaiset-jasenet/.
  13. ^ "ISEE". www.isee.nagoya-u.ac.jp/en/news/2021/the-3rd-isee-award-to-prof-ilya-usoskin-and-dr-stepan-poluianov-university-of-oulu-finland.html.
  14. ^ "ORCID". orcid.org/0000-0001-8227-9081.
  15. ^ "Scopus". www.scopus.com/authid/detail.uri?authorId=7004683817.
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