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Alexander Ruzmaikin

Photo of Alexander Ruzmaikin


4800 Oak Grove Drive
M/S 169-506

Pasadena, CA 91109





Member of:

Interstellar and Heliospheric Physics


  • M.S., Electronics and Radiophysics, Moscow Phystech (1969)
  • Ph.D., Space Physics and Astrophysics, Institute of Cosmic Research. Moscow (1972)
  • D.Sci., Space Physics, Institute of Cosmic Research. Moscow (1981)

Professional Experience

  • Jet Propulsion Laboratory
    • Principal Scientist (2005-Present)
    • Leader of the Heliospheric and Solar Physics Team (2002-2009)
    • Research Scientist, Space Science Element (1996-2005)
    • Visiting and part-time JPL Research Scientist. (1992-1996)
  • California State University, Northridge, Adjunct Professor, Department of Physics and Astronomy (1992-Present)
  • Head of the Dept of Earth and Space Sciences and Head of the Space Magnetic Fields Laboratory, Moscow (1986-1991)
  • Member of the legendary Zeldovich group of 7 scientists at Keldysh Institute of Applied, Moscow- specialized in magnetohydrodynamics and the solar dynamo (1972-1988)
  • Phystech, Moscow, Assistant Professor, Theoretical Physics Department (1972)
  • Distinguished Visiting Scientist
    • Isaac Newton Institute, Cambridge University, Program on MHD, Topology and Dynamo (1992, 2000, 2004)
    • Department of Physics and Astronomy, UCLA. Research on dynamos (1992)
    • Institute for Theoretical Physics, UCSB, Program on Dynamics and MHD (1991, 2002)

Research Interests

  • Climate dynamics and mechanisms of solar influence on climate
  • Analyses and modeling of solar and heliospheric magnetic fields
  • Design of new space missions

Selected Awards

  • Full Professor of Physics (1988). Supervisor of 6 Ph. D.'s in space physics, astrophysics and geophysics.
  • Nominated to the Soviet Academy of Sciences (1990)

Selected Publications


  • Magnetic Fields in Astrophysics, Ya. B. Zeldovich, A. Ruzmaikin, and D. Sokoloff, Gordon and Breach, New York, London, Paris (1983)
  • Magnetic Fields of Galaxies, the monograph, Kluwer Academic Publishers, Dordrecht. 1988, Ruzmaikin, A., Sokoloff, D.D. and Shukurov, A.M.
  • Almighty Chance, Ya. B. Zeldovich, A. Ruzmaikin, and D. Sokoloff, World Sci. Pubs, 1990.


  1. Solar cycle as strange attractor. Comments on Astrophysics, 9, 85, Ruzmaikin, A., 1981.
  2. Dynamo problems in astrophysics. Sov. Sci. Rev., Harwood Acad. Pub., 2, 333, Zeldovich, Ya. B. and Ruzmaikin, A., 1983.
  3. Kinematic dynamo problem in a linear velocity field. Journal of Fluid Mechanics, 144, 1, Zeldovich, Ya. B., Ruzmaikin, A., Molchanov, S.A. and Sokoloff, D.D., 1984.
  4. Three-dimensional model for generation of the mean solar magnetic field. Astron. Nachr., 306, 177, Ivanova, T.S., and Ruzmaikin, A., 1985.
  5. The solar dynamo. Solar Physics, 100, 125, Ruzmaikin, A., 1986.
  6. Spectrum of the interplanetary magnetic field near 1.3 AU, J. Geophys. Res. 98, 13,305,Ruzmaikin, A., Lyannaya, I. P., Styashkin, V. A., and Eroshenko, E. G., 1993.
  7. Spectral properties of solar convection and diffusion, Astrophys. J., 471, 1022, Ruzmaikin, A., Cadavid, A. C., Chapman, G. A., Lawrence, J. K., Walton, S., 1996.
  8. Turbulence in coronal mass ejections, J. Geophys. Res., 102, 19,753, Ruzmaikin, A., J. Feynman, and E. Smith, 1997.
  9. Balance and Solar Cycle Variations of Magnetic Helicity, in Magnetic Helicity in Space and Laboratory Plasmas, eds. M. R. Brown, R. C. Canfield and A. A. Pevtsov, AGU, pp.111.
  10. Clustering of emerging magnetic flux, Solar Physics, 181, 1-12,1998, Ruzmaikin, 1999.
  11. Compact Doppler-Magnetograph, JPL Publ. #198, 1997; Mission to the Sun II, SPIE, vol. 3442, p. 115, A. Ruzmaikin, P. Monyhan, A. Vaughan, and A. Cacciani, 1998.
  12. A spacecraft going behind the Sun will support SOHO, in The corona and solar wind near minimum of solar activity, ed. by O. Kjeldson-Moe and A. Wilson, ESA publs., SP-404, A. Ruzmaikin and MagSonas Team, 1997.
  13. Problems of the forecasting of solar particle events for manned missions, Radiation Measurements, 30, 275, J. Feynman and A. Ruzmaikin, 1999.
  14. Origin of Sunspots, Space Science Reviews, 95, 43, A. Ruzmaikin, 2001.
  15. Preferred solar longitudes with signatures in the solar wind, A. Ruzmaikin, J. Feynman, M. Neugebauer, and E. J. Smith, J. Geophys. Res., 106, 8363, 2001.
  16. Spatiotemporal scaling of solar surface flows, J. K. Lawrence, A. C. Cadavid, A. Ruzmaikin and T. E. Berger, Phys. Rev. Letters, 86, 5894, 2001.
  17. The JPL proton fluence model: an update, J. of Atmos. Sol.-Terr. Phys., 1679, J. Feynman, A. Ruzmaikin and V. Berdichevsky, 2002.
  18. Solar influence on a major mode of atmospheric variability, Ruzmaikin, A., and J. Feynman, J. Geophys. Res., 107, D14, 10.1029/2001JD001239, 2002.
  19. Signs of magnetic helicity in interplanetary coronal mass ejections and associated prominences: case study, J. Geophys. Res.,107, N A2, 10.1029/2002JA009588, A. Ruzmaikin, S. Martin and Q. Hu, 2003.
  20. The Sun's Preferred Longitudes and the Coupling of Magnetic Dynamo Modes, A. Bigazzi and A. Ruzmaikin, Astrophys. J., 604, 944-959, 2004.
  21. The pattern of northern hemisphere surface air temperature during prolonged periods of low solar output, Geophys. Res. Lett., 31, 1029/2004GL019955, A. Ruzmaikin, J. Feynman, X. Jung, D. Noone, A. M. Waple and Y. Yung, 2004.
  22. The Extratropical Signature of the Quasi-Biennial Oscillation, A. Ruzmaikin, J. Feynman, X. Jiang, and Y. L. Yung, J. Geophys. Res. 110, D11111, doi:10.1029/2004JD005382, 2005.
  23. The radial dependence of solar energetic particle fluxes, in "Solar Wind 11-SOHO 16, Connecting Sun and Heliosphere," ESA Pubs., A. Ruzmaikin, G. Li, G. Zank, J. Feynman and I. Jun, 2005.
  24. Stratospheric wave-mean flow interaction: Simple modeling, J. Atmospheric and Space Physics, 68, 1311-1320, 2006, Ruzmaikin, A., J. K. Lawrence and A. C. Cadavid.
  25. Is solar variability reflected in the Nile River?, J. Geophys. Res., 111, D21114, doi:10.1029/2006JD007462, Ruzmaikin, A., J. Feynman, and Y. L. Yung.
  26. Causes of extremely fast CMEs, in "Solar Activity and its Magnetic Origin," Proc. IAU Symp., No 233, ed. Eds. V. Bothmer and A. A. Hady, 2006, pp.343-346, J. Feynman and A. Ruzmaikin.
  27. The 27-day variations in stratospheric ozone and temperature: New MLS data, Geophys. Res. Lett., 34, L02819, doi:10.1029/2006GL028419, 2007, Ruzmaikin, A., M. L. Santee, M. J. Schwartz, L. Froidevaux, and H. M. Pickett.
  28. Climate stability and the development of agricultural societies, Climatic Change (2007), DOI 10.1007/s10584-007-9248-1, Feynman, J., and A. Ruzmaikin.
  29. Effect of solar variability on the Earth's climate patterns, J. Adv. Space Res. (2007), doi:10.1016/j.asr.2007.01.076, Ruzmaikin, A.
  30. Sunspots, El Niño, and the levels of Lake Victoria, East Africa, J. Geophys. Res., 112, doi:10.1029/2006JD008362, C. Stager, A. Ruzmaikin, D. Conway , P. Verburg, P. J. Mason, 2007.
  31. Climate stability and the development of agricultural societies, Climatic Change (2007), dos 10.1007/s10584-007-9248-1, Feynman, J., and A. Ruzmaikin.
  32. Effect of solar variability on the Earth's climate patterns, Advances in Space Res. (2007), doi:10.1016/j.asr.2007.01.076, vol. 40, 1146-1151, Ruzmaikin, A and J. Feynman.
  33. Residence time distribution of the Northern Annular Mode, Int. J. of Climatology, DOI: 10.1002/joc.1788, 2009., Ruzmaikin., A.
  34. Turck-Chièze, S.,...A. Ruzmaikin, ...,The DynaMICCS perspective. A mission for a complete and continuous view of the Sun dedicated to magnetism, space weather and space climate, Exp Astron., 23:1017-1055, DOI 10.1007/s10686-008-9111-z, 2009.
  35. Frequency of severe storms and global warming, H. H. Aumann, A. Ruzmaikin, and J. Teixeira, Geophys. Res. Lett., 35, doi:10.1029/2008GL034562, 2008.
  36. Search for climate trends in satellite data, A. Ruzmaikin and J. Feynman, Advances in Adaptive Analysis, 1, 667-679, 2009.
  37. Modes of natural and forced climate variability in 6 years of AIRS and AMSU data, A. Ruzmaikin and H. H. Aumann, Proc of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2009), Cape Town, 2009.
  38. Distribution of extreme solar energetic proton fluxes, A. Ruzmaikin, J. Feynman and I. Jun, J. Atmos. Solar- Terrestrial Phys., doi:10.1016/j.jastp.2009.12.016, 2010.
  39. Distribution and clustering of fast coronal mass ejections, Ruzmaikin, A., J. Feynman, and S. A. Stoev, J. Geophys. Res., 16, doi:10.1029/2010JA016247, 2011.
  40. Patterns of CO2 Variability from Global Satellite Data, A. Ruzmaikin, H. H. Aumann, and T. S. Pagano, J. Climate, 25, 6383-6393, doi: 10.1175/JCLI-D-11-00223.1, 2012.
  41. Estimating Rates of Acceleration Based on the 157-Year Record of Sea Level from San Francisco, California, U.S.A. L. C. Breaker and A. Ruzmaikin, Journal of Coastal Research. doi:10.2112/JCOASTRES-D-12-00048.1, 2012.
  42. Decadal variability of tropical Pacific temperature in relation to solar cycles, A. Ruzmaikin, H.H. Aumann, Advances in Space Research 49, 572-578, doi:10.1016/j.asr.2011.11.010, 2012.