University of Oulu

Space Research GroupIlya Usoskin


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: 0503441247
e-mail:
Room: PSOAS-314
Photograph

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Recent publications:
NEW -> Leussu, R., I.G. Usoskin, R. Arlt, K. Mursula, Properties of sunspot cycles and hemispheric wings since the 19th century, Astron. Astrophys., 592, A160, 2016, doi: 10.1051/0004-6361/201628335.

  • Poluianov, S.V., G.A. Kovaltsov, A.L. Mishev and I.G. Usoskin, Production of cosmogenic isotopes 7Be, 10Be, 14C, 22Na, and 36Cl in the atmosphere: Altitudinal profiles of yield functions, J. Geophys. Res. Atmos., 121, 8125-8136, 2016, doi:10.1002/2016JD025034.
  • Owens, M.J., E. Cliver, K. G. McCracken, J. Beer, L. Barnard, M. Lockwood, A. Rouillard, D. Passos, P. Riley, I. Usoskin, and Y-M. Wang, Near-Earth heliospheric magnetic field intensity since 1750: 1. Sunspot and geomagnetic reconstructions, J. Geophys. Res., 121, 6048-6063, doi:10.1002/2016JA022529.
  • Owens, M.J., E. Cliver, K. G. McCracken, J. Beer, L. Barnard, M. Lockwood, A. Rouillard, D. Passos, P. Riley, I. Usoskin, and Y-M. Wang, Near-Earth heliospheric magnetic field intensity since 1750: 2. Cosmogenic radionuclide reconstructions, J. Geophys. Res., 121, 6064-6074, doi:10.1002/2016JA022550.
  • Lockwood, M., M. J. Owens, L. Barnard, and I. G. Usoskin, An assessment of sunspot number data composites over 1845-2014, Astrophys. J., 824, 54, 2016, doi:10.3847/0004-637X/824/1/54
  • Mishev, A.L., I. G. Usoskin, Analysis of the Ground-Level Enhancements on 14 July 2000 and 13 December 2006 Using Neutron Monitor Data, Solar Physics, 291, 1225-1239, 2016, doi: 10.1007/s11207-016-0877-2.
  • Artamonov, A.A., A. L. Mishev, I. G. Usoskin, Model CRAC:EPII for atmospheric ionization due to precipitating electrons: Yield function and applications, J. Geophys. Res., 121, 1736-1743, doi: 10.1002/2015JA022276, 2016.
  • Usoskin, I.G., Y. Gallet, F. Lopes, G. A. Kovaltsov, G. Hulot, Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima, Astron. Astrophys., 587, A150, 2016, (doi: 10.1051/0004-6361/201527295).
  • Asvestari, E. and I.G. Usoskin, An empirical model of heliospheric cosmic ray modulation on long-term time scale. J. Space Weather Space Clim., 6, A15, 2016, (doi: 10.1051/swsc/2016011)
  • Artamonov, A.A., G. A. Kovaltsov, A. L. Mishev, I. G. Usoskin, Neutron monitor yield function for solar neutrons: A new computation, J. Geophys. Res., 121, 117-128, 2016 (doi: 10.1002/2015JA021993).
  • Traversi, R., S. Becagli, S. Poluianov, M. Severi, S.K. Solanki, I.G. Usoskin and R. Udisti, The Laschamp geomagnetic excursion featured in nitrate record from EPICA-Dome C ice core, Sci. Rep., 6, 20235, 2016 (doi: 10.1038/srep20235)

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