Timo Asikainen
PhD, Doc.
Space Climate Research Unit,
ReSoLVE Centre of Excellence
P.O. Box 3000
FIN-90014 University of Oulu

Office: B204 (G4 or J4 stairs 2. floor)
Tel: +358-294 481302 (Office GSM)
Timo.Asikainen@oulu.fi


 
visitors since 30.3.2004
 


Papers Posters Talks

Refereed publications (31 total)

       2019

  1. T. Asikainen, New Homogeneous Composite of Energetic Electron Fluxes From POES Satellites: 2. Intercalibration of SEM‐1 and SEM‐2, J. Geophys. Res. Space Phys., 124, https://doi.org/10.1029/2019JA026699, 2019 (link)

  2. M. Palmroth, J. Praks, R. Vainio, P. Janhunen, E.K.J. Kilpua, N.Yu. Ganushkina, A. Afanasiev, M. Ala-Lahti, A. Alho, T. Asikainen, E. Asvestari, M. Battarbee, A. Binios, A. Bosser, T. Brito, J. Envall, U. Ganse, H. George, J. Gieseler, S. Good, M. Grandin, S. Haslam, H.‐P. Hedman, H. Hietala, N. Jovanovic, S. Kakakhel, M. Kalliokoski, V. V. Kettunen, T. Koskela, E. Lumme, M. Meskanen, D. Morosan, M. Rizwan Mughal, P. Niemelä, S. Nyman, P. Oleynik, A. Osmane, E. Palmerio, Y. Pfau‐Kempf, J. Peltonen, J. Plosila, J. Polkko, S. Poluianov, J. Pomoell, D. Price, A. Punkkinen, R. Punkkinen, B. Riwanto, L. Salomaa, A. Slavinskis, T. Säntti, J. Tammi, H. Tenhunen, P. Toivanen, J. Tuominen, L. Turc, E. Valtonen, P. Virtanen, T. Westerlund, FORESAIL‐1 cubesat mission to measure radiation belt losses and demonstrate de‐orbiting, J. Geophys. Res. Space Phys., 124, https://doi.org/10.1029/2018JA026354, 2019 (link)

  3. A. Salminen, T. Asikainen, V. Maliniemi and K. Mursula, Effect of energetic electron precipitation on the northern polar vortex: Explaining the QBO modulation via control of meridional circulation, J. Geophys. Res. Atmos., 124, https://doi.org/10.1029/2018JD029296, 2019 (link)

  4. T. Asikainen and M. Ruopsa, New Homogeneous Composite of Energetic Electron Fluxes From POES Satellites: 1. Correction for Background Noise and Orbital Drift, J. Geophys. Res. Space Phys., 124, 1203-1221, https://doi.org/10.1029/2018JA026214, 2019 (link)

    2018

  5. V. Maliniemi, T. Asikainen, and K. Mursula, Decadal variability in the Northern Hemisphere winter circulation: Effects of different solar and terrestrial drivers, J. Atmos. Sol.-Terr. Phys., 179, p.40-54, https://doi.org/10.1016/j.jastp.2018.06.012, 2018 (link)

  6. A. Hamada, T. Asikainen, I.I. Virtanen and K. Mursula, Automated identification of coronal holes from synoptic EUV maps, Solar phys., 293, 71, 2018. (link)

    2017

  7. T. Asikainen, Calibrated and corrected POES/MEPED energetic particle observations, Chapter 3.3 in book "The ESPAS e-infrastructure: Access to data in near-Earth space", Belehaki, A., M. Hapgood and J. Watermann eds., 978-2-7598-1949-2, 2017.

  8. I. Tsagouri, I. Galkin and T. Asikainen, Long-term predictions of space weather effects on the Earth's ionosphere, Adv. Space Res., 59, p. 351-365, 2017

    2016

  9. V. Maliniemi, T. Asikainen and K. Mursula, Effect of geomagnetic activity on the northern annular mode: QBO-dependence and the Holton-Tan relationship, J. Geophys. Res. Atmos., 121,  doi:10.1002/2015JD024460, 2016 (link to JGR website)

  10. I. Roy, T. Asikainen, V. Maliniemi and K. Mursula, Comparing the influence of sunspot activity and geomagnetic activity on winter surface climate, J. Atmos. Solar-Terr. Phys., 149, p.167-179, 2016 (link to JASTP website)

  11. T. Asikainen and M. Ruopsa, Solar wind drivers of energetic electron precipitation, J. Geophys. Res., 121 (3), 2209-2225, doi:10.1002/2015JA022215, 2016 (link to JGR website)

    2015

  12. L. Juusola, K. Kauristie, M. van de Kamp, E. I. Tanskanen, K. Mursula, T. Asikainen, K. Andreéová, N. Partamies, H. Vanhamäki, and A. Viljanen, Solar wind control of ionospheric equivalent currents and their time derivatives, J. Geophys. Res. Space Physics, 120,doi:10.1002/2015JA021204, 2015 (link to JGR website)

    2014

  13. L. Holappa, K. Mursula and T. Asikainen, A new method to estimate annual solar wind parameters and contributions of different solar wind structures to geomagnetic activity, J. Geophys. Res., 119, 9407-9418, doi:10.1002/2014JA020599, 2014 (link to JGR website)

  14. V. Maliniemi, T. Asikainen and K. Mursula, Spatial distribution of Northern Hemisphere winter temperatures during different phases of the solar cycle, J. Geophys. Res. Atmos.,119, 9752-9764, DOI:10.1002/2013JD021343, 2014 (link to JGR website)

  15. L. Holappa, K. Mursula, T. Asikainen and I.G. Richardson, Annual fractions of high speed streams from principal component analysis of local geomagnetic activity, J. Geophys. Res. Space Physics, 119, 4544-4555, doi:10.1002/2014JA019958, 2014 (link to JGR website)

  16. T. Asikainen and K. Mursula, Long-term relation between corrected NOAA/MEPED energetic proton fluxes and geomagnetic indices, J. Atmos. Solar-Terr. Phys., 113, pp. 29-38, doi:10.1016/j.jastp.2014.03.005, 2014 (link to JASTP)

    2013

  17. T. Asikainen and K. Mursula, Correcting the NOAA/MEPED energetic electron fluxes for detector efficiency and proton contamination, J. Geophys. Res, 118, 6500-6510, doi:10.1002/jgra.50584, 2013 (link to JGR website)

  18. V. Maliniemi, T. Asikainen, K. Mursula and A. Seppälä, QBO dependent relation between electron precipitation and winter time surface temperature, J. Geophys. Res. Atmos., 118, 6302-6310, doi:10.1002/jgrd.50518, 2013 (link to JGR website)

  19. E. Spencer, S. Patra, T. Asikainen, Magnetotail current contribution to the Dst Index Using the MT Index and the WINDMI model, Adv. Space Res., 52, Issue 11, 1974-1986, doi:10.1016/j.asr.2013.08.0162013 (pdf), (link to ASR)

    2012

  20. T. Asikainen, K. Mursula and V. Maliniemi, Correction of detector noise and recalibration of NOAA/MEPED energetic proton fluxes, J. Geophys. Res., 117, A09204, doi:10.1029/2012JA017593, 2012 (pdf)


    2011

  21. T. Asikainen and K. Mursula, Recalibration of NOAA/MEPED energetic proton measurements, Journal of Atmospheric and Solar-Terrestrial Physics, 73, pp. 335-347, doi:10.1016/j.jastp.2009.12.011, 2011, (pdf preprint)


    2010 

  22. T. Asikainen, V. Maliniemi and K. Mursula, Modeling the contributions of ring, tail and magnetopause currents to the corrected Dst index, J. Geophys. Res., 115, A12203, doi:10.1029/2010JA015774, 2010, (pdf), (link to JGR website)

    2009

  23. T. Asikainen, Energetic Particles in the Cusp: A Cluster/RAPID view, in "The Cluster Active Archive: Studying t he Earth's Space Plasma Environment", edited by H. Laakso, M. Taylor, C.P. Escoubet, p. 415-426, Astrophysics and Space Science Proceedings, ISBN: 978-90-481-3498-4, 200 9 (pdf)

    2008

  24. T. Asikainen and K. Mursula, Energetic electron flux behavior at low L-shells and its relation to the South Atlantic Anomaly, Journal of Atmospheric and Solar-Terrestrial Physics, 70, 532-538, 2008, (pdf)  

    2007

  25. R.C. Fear, S.E. Milan, A.N. Fazakerley, C.J. Owen, T. Asikainen, M.G.G.T. Taylor, E.A. Lucek, H. R�me, I. Dandouras and P.W. Daly, Motion of Flux Transfer Events: A Test of the Cooling Model, Annales Geophysicae, 25, 1669-1690, 2007 (pdf)

    2006

  26. T. Asikainen and K. Mursula, Reconnection and energetic particles at the edge of the exterior cusp, Annales Geophysicae, 24, 1949-1956, 2006 (pdf)

    2005

  27. K. Mursula, R. Kerttula, T. Asikainen, R. Friedel, A. Vaivads, F. Soeraas, M. Grande, M. Carter, P. W. Daly, T. A. Fritz, J. F. Fennell and A. Balogh: CLUSTER/RAPID energetic electron observations at the dayside magnetospheric boundary, Adv. Space Res., 36, 1904-1908, 2005 (pdf)

  28. R. Kerttula, K. Mursula, T. Asikainen, R. Friedel, D. Baker, F. Soeraas, J. F. Fennell, J. B. Blake and M. Grande: Energetic particle acceleration during the main phase of a major magnetic storm, Adv. Space Res., 36, 1835-1839, 2005 (pdf)

  29. T. Asikainen, R. Kerttula, K. Mursula, R. Friedel, D. Baker, F. Soraas, J.F. Fennell and J.B. Blake, Global View of Energetic Particles During a Marjor Magnetic Storm, �The Inner Magnetosphere: Physics and Modeling�, edited by T.I. Pulkkinen, N.A. Tsyganenko and R.H.W. Friedel, Geophysical Monograph Series, Volume 155, p.97-104, 2005 (pdf)

  30. T. Asikainen and K. Mursula, Energetic particle fluxes in the exterior cusp and the high-latitude dayside magnetosphere: Statistical results from the Cluster/RAPID instrument, Annales Geophysicae, 23, 2217-2230, 2005 (pdf)

  31. T. Asikainen and K. Mursula, Filling of the South Atlantic Anomaly by energetic electrons during a great magnetic storm, Geophys. Res. Lett., Vol. 32, L16102, doi:10.1029/2005GL023634, 2005, (pdf)

Non-Refereed publications (3 total)

       2016

  1. K. Mursula and T. Asikainen, Meeting report: Space Climate School and Space Climate Symposium, 0 March - 7 April 2016, Levi, Finland, VarSITI Newsletter, 10, p. 7, 2016

    2011

  2. K. Steed, G. Lapenta, B. Vrsnak, T. Zic, G. Verbanac, J. Calogovic, M. Dumbovic, A. Veronig, M. Temmer, C. Mostl, T. Rollett, T. Rotter, T. Falkenberg, S. Vennerstrom, K. Leer, M. Tatrallyay, Z. Nemeth, M. I. Verigin, T.Asikainen, K. Mursula, D. Berghmans, K. Kecskemety, P. Kiraly, I. Virtanen, L. Zhang and Y. Beniguel, Soteria Deliverable report 4.6, 137 pages, Report for the European Community's Seventh Framework Program, 2011

    2010

  3. S. Vennerström, F. Christiansen, T. Asikainen, K. Mursula, F. Crespon, M. Tatrallyay, K. Kecskemety, Z. Nemeth, S.V. Kuzin, V. A. Slemzin, A.S. Ulyanov, S.A. Bogachev, J. Sylwester, S. Gburek, P. Podgorski, M. Kowalinski and M.I. Verigin, SOTERIA deliverable 4.3: Solar wind-magnetosphere coupling and the terrestrial impact, 104 pages, Report for the European Community's Seventh Framework Program, 2010

 


Papers Posters Talks

Posters (64 total)       

      2018

  1. V. Maliniemi, T. Asikainen, K.Mursula, Decadal variability in the Northern Hemisphere winter circulation: Role of internal and external drivers, 7th International HEPPA-SOLARIS Workshop, 11-14 June, 2018, Roanoke, Virginia, USA

  2. T. Asikainen, V. Maliniemi, K. Mursula, Decadal variability in the Northern Hemisphere winter circulation: Role of internal and external drivers, EGU General Assembly 2018, 8-13 April, 2018, Vienna, Austria

  3. T. Asikainen, V. Maliniemi, K. Mursula, Winds of winter: How solar wind related particle precipitation can affect northern winters, EGU General Assembly 2018, 8-13 April, 2018, Vienna, Austria

  4. T. Asikainen, A. Salminen, V. Maliniemi, K. Mursula,Effects of energetic particle precipitation and Quasi-Biennial Oscillation on polar ozone and polar vortex, EGU General Assembly 2018, 8-13 April, 2018, Vienna, Austria

  5. A. Hamada, T. Asikainen, I. Virtanen, K. Mursula, Automated identification of coronal holes from synoptic EUV maps, EGU General Assembly 2018, 8-13 April, 2018, Vienna, Austria



    2017

  6. V. Maliniemi, T. Asikainen, K. Mursula, Decadal variability in the Northern Hemisphere winter circulation: Role of internal and external drivers, AGU Fall meeting, 11-15 December, 2017, New Orleans, LA, USA

  7. T. Asikainen, A. Salminen, V. Maliniemi and K. Mursula, Modulation of the polar vortex by energetic particle precipitation and Quasi-Biennial Oscillation via ozone loss, AGU Fall meeting, 11-15 December, 2017, New Orleans, LA, USA

  8. A. Salminen, T. Asikainen, V. Maliniemi and K. Mursula, Modulation of the polar vortex by energetic particle precipitation and Quasi-Biennial Oscillation via ozone loss, EGU 2017 General Assembly, 23.-28.4. 2017, Vienna, Austria

  9. T. Asikainen and M. Ruopsa, New homogeneous composite of energetic electron fluxes from NOAA/POES satellites, EGU 2017 General Assembly, 23.-28.4. 2017, Vienna, Austria

  10. T. Asikainen, V. Maliniemi, K. Mursula, Winds of winter: How solar wind related particle precipitation can affect northern winters, EGU 2017 General Assembly, 23.-28.4. 2017, Vienna, Austria

  11. T. Asikainen, V. Maliniemi, K. Mursula and I. Roy, Comparing the influence of sunspot activity and geomagnetic activity on winter surface climate, EGU 2017 General Assembly, 23.-28.4. 2017, Vienna, Austria

  12. A. Hamada, T. Asikainen, I.I. Virtanen and K. Mursula, Solar Coronal Hole Evolution: Automated Detection of Coronal Hole Based on SOHO/EIT and SDO/AIA Synoptic Maps through Solar Cycles 23 and 24, The 51st annual meeting of the Finnish Physical Society, 22.-24.3.2017, Helsinki, Finland

  13. K. Mursula, V. Maliniemi and T. Asikainen, Winds of winter. How solar wind driven particle precipitation can affect northern winters, The 51st annual meeting of the Finnish Physical Society, 22.-24.3.2017, Helsinki, Finland

  14. L. Holappa, K. Mursula and T. Asikainen, A new method to estimate contributions of coronal mass ejections and high-speed streams to geomagnetic activity, AGU Fall meeting, 12-16.12.2016, San Fransisco, CA, USA

  15. L. Holappa, K. Mursula and T. Asikainen, A new method to estimate contributions of coronal mass ejections and high-speed streams to geomagnetic activity, Space Climate 6 symposium, 4.-7.4. 2016, Levi, Finland

  16. V. Maliniemi, T. Asikainen and K. Mursula, QBO-dependent relation of geomagnetic activity and northern annular mode during the 20th century, Space Climate 6 symposium, 4.-7.4. 2016, Levi, Finland

  17. A. Hamada, T. Asikainen, I.I. Virtanen and K. Mursula, Identifying and tracking solar coronal holes from synoptic EUV maps of SOHO/EIT and SDO/AIA images, Space Climate 6 symposium, 4.-7.4. 2016, Levi, Finland
     
    2015

  18. T.Asikainen, M. Ruopsa, L. Holappa and K. Mursula, Reconstruction of energetic electron precipitation for the past 130 years, 26th IUGG General Assembly, 22.6.-2.7.2015, Prague, Czech Republic

  19. T. Asikainen, V. Maliniemi and K. Mursula, Spatial distribution of Nothern Hemisphere winter temperatures during different phases of the solar cycle, EGU 2015 General Assembly, 12.-17.4.2015, Vienna Austria

    2014

  20. V. Maliniemi, T. Asikainen and K. Mursula, Spatial distribution of Northern Hemisphere winter temperatures during different phases of the solar cycle, The 5th HEPPA/SOLARIS Workshop, 5.-9.5.2014, Baden-Baden, Germany

  21. L. Holappa, K. Mursula, T.Asikainen, I.G. Richardson, Annual fractions of high speed streams from principal component analysis of local geomagnetic activity, EGU General Assembly, 27.4.-2.5.2014, Vienna, Austria

    2013

  22. V. Maliniemi, T. Asikainen, K. Mursula, Phasing of winter surface temperatures over the solar cycle since the last 130 years, International CAWSES-II Symposium, 18.-22.11.2013, Nagoya, Japan

  23. T. Asikainen and K. Mursula, Correcting the NOAA/MEPED energetic electron fluxes for detector efficiency and proton contamination, TOSCA Science Meeting, 30.9.-4.10.2013, Prague, Czech Republic

  24. V. Maliniemi, T. Asikainen, K. Mursula and A. Seppälä, QBO dependent relation between electron precipitation and winter time surface temperature, Space Climate 5 Symposium, 15.-19.6.2013, Oulu, Finland

    2012

  25. T. Asikainen, K. Mursula and V. Maliniemi, Relationship between energetic particle precipitation and geomagnetic indices according to the corrected NOAA/POES database, 4th International HEPPA Workshop, 9.-12.10.2012, Boulder, CO, USA

  26. T. Asikainen, V. Maliniemi and K. Mursula, Calibrated NOAA/POES energetic electron database, 4th International HEPPA Workshop, 9.-12.10.2012, Boulder, CO, USA

  27. V. Maliniemi, T. Asikainen, K. Mursula and A. Seppälä, Effect of electron precipitation on Winter time surface temperature and North Atlantic oscillation, 4th International HEPPA Workshop, 9.-12.10.2012, Boulder, CO, USA

  28. T. Asikainen, V. Maliniemi and K. Mursula, Corrected NOAA/MEPED energetic particle database for space climate studies, EGU General Assembly, 17.-22.4.2012, Vienna, Austria

  29. T. Asikainen, L. Holappa, V. Maliniemi and K. Mursula, Monitoring the tail current contribution to the Dcx index with NOAA/POES satellites: differences between CME and HSS driven storms, EGU General Assembly, 17.-22.4.2012, Vienna, Austria

  30. V. Maliniemi, T. Asikainen and K. Mursula, Correlation between surface temperature variations and energetic electron precipitation in northern hemisphere winter during the last three solar cycles, EGU General Assembly, 22.-27.4.2012, Vienna, Austria

    2011

  31. T. Asikainen, K. Mursula and V. Maliniemi, Corrected NOAA/MEPED energetic particle fluxes and their connection to solar wind parameters, 8th European Space Weather Week, 28.11.-2.12.2011, Namur, Belgium (pdf)

  32. A. Karinen, K. Mursula, L. Holappa and T. Asikainen, Dxt/Dcx index server: Structure and scientific potential, 3rd SOTERIA General Meeting, 30.5.-1.6. 2011, Leuven Belgium

    2009

  33. T. Asikainen, K. Mursula and V. Maliniemi, Corrected fluxes of magnetospheric energetic particles for 3 solar cycles, 6th European Space Weather Week, 16-20 November, 2009, Brugge, Belgium

  34. T. Asikainen, V. Maliniemi and K. Mursula, Isotropic boundary as a proxy for tail current contribution to the Dst/Dcx index, IAGA 11th Scientific Assembly, 23-30 August 2009, Sopron, Hungary

  35. T. Asikainen, K. Mursula, E. Robbrecht and D. Berghmans, Hemispheric and Longitudinal Asymmetries in CME occurrence, Space Climate Symposium 3, 15.-22.3. 2009, Saariselk�, Finnish Lapland

  36. T. Asikainen, V. Maliniemi and K. Mursula, Calibrating the energetic particle measurements by NOAA/POES during three solar cycles, Space Climate School & Space Climate Symposium 3, 15.-22.3. 2009, Saariselk�, Finnish Lapland

    2008

  37. T. Asikainen, K. Mursula and V. Maliniemi, Satellite measurements of ring current during three solar cycles, Workshop on Solar Variability, Earth's Climate and the Space Environment, 1.-6. June 2008, Bozeman, Montana, USA

  38. T. Asikainen and K. Mursula, Hemispheric and Longitudinal Asymmetries in CME occurrence, AGU Fall Meeting, 15.-19.12. 2008, San Fransisco, CA, USA

    2007

  39. T. Asikainen and K. Mursula, Are there systematic hemispherical or longitudinal asymmetries in Coronal Mass Ejections?, IUGG XXIV Conference, 1.-13. July 2007, Perugia, Italy

  40. T. Asikainen and K. Mursula, Variation of the inner radiation belt electron fluxes at low L-shells inside the South Atlantic Anomaly, IUGG XXIV Conference, 1.-13. July 2007, Perugia, Italy

  41. G. Lapenta and the SOTERIA Consortium (including, e.g., K. Mursula, T. Asikainen), A new proposed effort: SOTERIA (SOlar-TERrestrial Investigations and Archives), Proc. of the SOHO 20 "Transient Events on the Sun and in the Heliosphere", Ghent, Belgium, 27-31.8. 2007, S4-P10; Proc. of the STAMMS-2 meeting in Orleans, France, 24-28.9. 2007, p. 105; AGU 2007 Fall Meeting, San Francisco, USA, 10-14.12.2007, Eos Trans. AGU, 88(52), Abstract SM41A-0338.

    2006

  42. T. Asikainen and K. Mursula, Reconnection and Energetic Particles at the Edge of the Exterior Cusp, EGU General Assembly, 2.-7. April, 2006, Vienna, Austria

  43. T. Asikainen and K. Mursula, Long-term behavior of energetic particle fluxes at low L-shells and their relation to the South Atlantic Anomaly, EGU General Assembly, 2.-7. April, 2006, Vienna, Austria

  44. T. Asikainen and K. Mursula, South Atlantic Anomaly can act as a trap for energetic electrons, EGU General Assembly, 2.-7. April, 2006, Vienna, Austria

  45. T. Asikainen  and K. Mursula, Long-term behavior of energetic particle fluxes at low L-shells and their relation to the South Atlantic Anomaly, 36th COSPAR Scientific Assembly, 16.-23. July 2006, Beijing, China

  46. T. Asikainen and K. Mursula, Long-term behavior of energetic particle fluxes at low L-shells and their relation to the South Atlantic Anomaly, The 2nd International Symposium on Space Climate, 13-16 September 2006, Sinaia, Romania

    2005

  47. T. Asikainen, L.G. Blomberg, K. Mursula et al., MEFISTO - An Electric Field Instrument for BepiColombo/MMO, XXXIX Annual Conference of the Finnish Physical Society, March 17-19, 2005, Espoo, Finland

  48. T. Asikainen, K. Mursula, R. Kerttula, R. Friedel, D. Baker, F. Soeraas, J.F. Fennell and J.B. Blake, Dynamics of Energetic Particles During a Major Magnetic Storm of 31 March, 2001, IAGA 2005 Conference, July 18-29, 2005, Toulouse, France

  49. T. Asikainen and K. Mursula, High-energy Ions and Electrons in the Exterior Cusp, IAGA 2005 Conference, July 18-29, 2005, Toulouse, France

    2004

  50. T. Asikainen and K. Mursula. Energetic particle fluxes in the exterior cusp and the high-latitude dayside magnetosphere: Statistical results from the Cluster/RAPID instrument, 35th COSPAR Scientific Assembly 2004, Paris, France, 18-25 July 2004

    2003

  51. K. Mursula, T. Asikainen, R. Kerttula, A. Vaivads, R. Friedel, P. Daly, F. Soeraas, M. Grande, M. Carter and J. F. Fennell: Observations of energetic particles in the dayside magnetosphere by CLUSTER-II, XXXVII Annual Conference of the Finnish Physical Society, Helsinki, Finland, 2003

  52. T. Asikainen, R. Kerttula, K. Mursula and R. Friedel: Filling of the South Atlantic Anomaly by energetic electrons during a great magnetic storm, XXXVII Annual Conference of the Finnish Physical Society, Helsinki, Finland, 2003

  53. T. Asikainen, K. Mursula, R. Kerttula and R. Friedel: New data analysis tools for CLUSTER-II/RAPID and NOAA/SEM energetic particle data, XXXVII Annual Conference of the Finnish Physical Society, Helsinki, Finland, 2003

  54. R. Kerttula, K. Mursula, T. Asikainen, R. Friedel, D. Baker, F. Soeraas, J. Fennell, J. Blake and M. Grande: Energetic particle acceleration during the main phase of a major magnetic storm, XXXVII Annual Conference of the Finnish Physical Society, Helsinki, Finland, 2003

  55. K. Mursula, K. Niskala, R. Kerttula, A. Aikio, T. Asikainen and M. Andre: Spatial-temporal study of EMIC wave growth region by Cluster-II, XXXVII Annual Conference of the Finnish Physical Society, Helsinki, Finland, 2003

  56. Kerttula, R., K. Mursula, T. Asikainen, R. Friedel, D. Baker, F. S�raas, J. Fennell, J. Blake, and M. Grande: Energetic particle acceleration during the main phase of a major magnetic storm, EGS-AGU-EUG Joint Assembly, Nice, France, 6-11 April, 2003

  57. R. Kerttula, K. Mursula, T. Asikainen, R. Friedel, D. Baker, F. Soeraas, J. Fennell, J. Blake and M. Grande: Energetic particle acceleration during the main phase of a major magnetic storm, Chapman Conference on Physics and Modelling of the Inner Magnetosphere, August 25-29, 2003, Helsinki, Finland

  58. T. Asikainen, K. Mursula, R. Friedel and P. Daly. Statistical study of the properties of dayside magnetospheric regions using Cluster-II data, 3rd and Final ANTARES Seminar, Finlandia Hall, Helsinki, Finland, October 30, 2003

  59. K. Mursula, T. Asikainen, K. Niskala, R. Kerttula, A. Aikio and M. Andr�. A spatial-temporal analysis of EMIC wave growth region by Cluster-II, 3rd and Final ANTARES Seminar, Finlandia Hall, Helsinki, Finland, October 30, 2003

  60. K. Mursula, K. Niskala, K. Penttinen and T. Asikainen. EMIC waves with dispersion and large frequency range: POLAR and Cluster-II observations, 3rd and Final ANTARES Seminar, Finlandia Hall, Helsinki, Finland, October 30, 2003

    2002

  61. T. Asikainen, K. Mursula, R. Kerttula, and R. Friedel, Program for simultaneous display of CLUSTER/RAPID and NOAA/SEM energetic particle data, Proc. of the XXXVI Annual Conference of the Finnish Physical Society, Joensuu, Finland, 2002

  62. Kerttula, R.; Mursula, K.; Asikainen, T.; Friedel, R.; Baker, D.; Soeraas, F.; Daly, P.; Fritz, T.; Blake, J.; Carter, M. Energetic particle boundaries and injections during the main phase of a major magnetic storm, 34th COSPAR Scientific Assembly/2nd World Space Congress, Houston, TX, USA, Oct. 10-19, 2002

  63. T. Asikainen, K. Mursula, R. Kerttula and R. Friedel: New data analysis tools for CLUSTER-II/RAPID and NOAA/SEM energetic particle data, The IX Meeting of Finnish National COSPAR, 30.10-1.11.2002

    2001

  64. B. Zieger, K. Mursula, T. Asikainen, and S. Vennerstr�m, Annual variation in the interplanetary magnetic field and its effect on geomagnetic activity, Proc. of the XXXV Annual Conference of the Finnish Physical Society, 22.-24. 3. 2001, Jyv�skyl�, Finland


Papers Posters Talks

Talks (50 total)

       2018

  1. K. Mursula, T. Asikainen, V. Maliniemi, High-speed solar wind streams: A new climate driver, 10th Workshop on Solar influences on the Magnetosphere, Ionosphere and Atmosphere, 4-8 June, 2018, Primorsko, Bulgaria

  2. T. Asikainen, New homogeneous composite of energetic electron fluxes from NOAA/POES satellites, EGU General Assembly 2018, 8-13 April, 2018, Vienna, Austria


    2017
  3. V. Maliniemi, T. Asikainen and K. Mursula, Winds of winter. How solar wind driven particle precipitation can affect northern winters, Fourth Santa Fe Conference on Global & Regional Climate Change, 5.2.-10.2.2017, Santa Fe, NM, USA


    2016
  4. V. Maliniemi, T. Asikainen, K. Mursula, Winds of winter: How solar wind driven energetic particles can affect nothern winters, 13th European Space Weather Week, 14.-18.11.2016, Oostende, Belgium

  5. T. Asikainen, M. Ruopsa, Solar wind drivers of energetic electron precipitation, 6th International HEPPA-SOLARIS Workshop, 13-17.6.2016, Helsinki, Finland

  6. V. Maliniemi, T. Asikainen, K. Mursula, QBO-dependent relation of geomagnetic activity and northern annular mode during the 20th century, 6th International HEPPA-SOLARIS Workshop, 13-17.6.2016, Helsinki, Finland

  7. K. Mursula, I. Roy, T. Asikainen, V. Maliniemi, Comparing the influence of sunspot activity and geomagnetic activity on winter surface climate, 6th International HEPPA-SOLARIS Workshop, 13-17.6.2016, Helsinki, Finland

  8. T. Asikainen, M. Ruopsa, L. Holappa and K. Mursula, Centennial reconstruction of energetic electron precipitation, Space Climate 6 symposium, 4.-7.4. 2016, Levi, Finland

  9. T. Asikainen, Long-term homogeneity and intercalibration of datasets, Space Climate School, 30.3.-3.4.2016, Levi, Finland

    2015

  10. T. Asikainen, Calibrated NOAA/POES energetic particle data in ESPAS, ESPAS Training School, 19.-23.10.2015, Warsaw, Poland

  11. A. Hamada, T. Asikainen, I.I. Virtanen and K. Mursula, Identifying coronal holes from synoptic maps of SOHO/EIT and SDO/AIA EUV images, Coimbra Solar Physics Meeting "Ground-based Solar Observations in Space Instrumentation Era", 5.-9.10.2015, Coimbra Portugal

  12. T. Asikainen, M. Ruopsa and K. Mursula, Long-term variation and solar wind drivers of energetic particle precipitation, 26th IUGG General Assembly, 22.6.-2.7.2015, Prague, Czech Republic

  13. L. Holappa, K. Mursula and T. Asikainen, A new method to estimate contributions of coronal mass ejections and high-speed streams to geomagnetic activity, 26th IUGG General Assembly, 22.6.-2.7.2015, Prague, Czech Republic

  14. V. Maliniemi, T. Asikainen and K. Mursula, Long-term relation between geomagnetic activity and Northern Hemisphere winter circulation, 26th IUGG General Assembly, 22.6.-2.7.2015, Prague, Czech Republic

  15. T. Asikainen, Long-term variation and solar wind drivers of energetic particle precipitation, EGU 2015 General Assembly, 12.17.4.2015, Vienna, Austria

  16. T. Asikainen, Long-term variation and solar wind drivers of energetic particle precipitation, Conference on Sun-Climate connections, 16.-19.3.2015, Kiel, Germany

  17. V. Maliniemi, T. Asikainen, K. Mursula, Long-term relation between geomagnetic activity and Northern Hemisphere winter circulation, Conference on Sun-Climate connections, 16.-19.3.2015, Kiel, Germany

    2014

  18. T.Asikainen, Long-term energetic particle precipitation, TOSCA/SOLID Workshop, 29.9.-2.10.2014, Corfu, Greece

  19. T. Asikainen, A new statistical model of energetic electron precipitation using corrected NOAA/MEPED data, ISSI Team Meeting, 24.-28.3.2014, Bern, Switzerland

    2013 

  20. T. Asikainen and K. Mursula, Long-term variation of energetic particles and their relation to geomagnetic activity, Space Climate 5 Symposium, 15.-19.6.2013, Oulu, Finland

    2012

  21. T. Asikainen, V. Maliniemi and K. Mursula, Corrected NOAA/MEPED energetic particle database for space climate studies, The Joint NordForsk/TOSCA workshop, 27.-30.3.2012, Troms, Norway

    2011

  22. T. Asikainen, S. Vennerstr�m, A. Karinen and K. Mursula, Satellite and ground based measures for the ring current, 3rd SOTERIA General Meeting, 30.5.-1.6. 2011, Leuven Belgium

  23. T. Asikainen, Monitoring magnetospheric dynamics using ground based and satellite measurements, SOTERIA Capacity Building Workshop, 15-16.2. 2011, Brussels, Belgium

  24. T.Asikainen, V. Maliniemi and K. Mursula, The longest systematically calibrated series of magnetospheric energetic particle measurements, Space Climate Symposium 4, 16.-21. January 2011, Calangute, Goa, India

    2010

  25. T.Asikainen, K. Mursula, S. Vennerstrom, Calibrated fluxes of energetic particles and their usage in magnetospheric diagnostics, SOTERIA 2nd General Meeting, 5.-7. October, 2010, Debrecen, Hungary

  26. K. Mursula, I. Virtanen, L. Zhang, I. Usoskin, T. Asikainen, A. Ludmany, J. Murakozy, What hemispheric and longitudinal asymmetries imply about the Sun and why are they important for Earth's space environment?, SOTERIA 2nd General Meeting, 5.-7. October, 2010, Debrecen, Hungary

  27. S. Vennerstrom, T. Asikainen, K. Mursula, Geomagnetic shielding of SEPs - local time variation in the cut-off latitude, SOTERIA 2nd General Meeting, 5.-7. October, 2010, Debrecen, Hungary

  28. S. Vennerstrom, F. Crespon, T. Asikainen, K. Mursula and F. Christiansen, New methods to monitor the auroral oval location and activity based on magnetic and GPS data, SOTERIA 2nd General Meeting, 5.-7. October, 2010, Debrecen, Hungary

  29. Mursula, K., T. Asikainen, Corrected fluxes of magnetospheric energetic particles for 3 solar cycles: The longest homogeneous series of one solar-related climate driver, Conference on Solar, cosmic rays and climate connections, Jerusalem, Israel, April 25-29, 2010

  30. T. Asikainen, V. Maliniemi and K. Mursula, Separating the sources of the Dcx index: Contributions from ring, tail and magnetopause currents, SOTERIA 1st General Meeting, 18-20 January, 2010, Davos, Switzerland

    2009

  31. T. Asikainen, K. Mursula and V. Maliniemi, Corrected fluxes of magnetospheric energetic particles for three solar cycles, IAGA 11th Scientific Assembly, 23-30 August 2009, Sopron, Hungary

  32. T. Asikainen, K. Mursula, E. Robbrecht and D. Berghmans, Hemispheric and Longitudinal Asymmetries in CME occurrence, IAGA 11th Scientific Assembly, 23-30 August 2009, Sopron, Hungary

  33. T. Asikainen, K. Mursula, E. Robbrecht and D. Berghmans, Hemispheric and Longitudinal Asymmetries in CME occurrence, Initial SOTERIA Workshop, 23.-24.3. 2009, Saariselk�, Finnish Lapland

    2008

  34. T. Asikainen, K. Mursula and P. Daly, Energetic Particles in the Cusp: A Cluster/RAPID View, 15th Cluster Workshop & Cluster Active Archive School, 9.-15.3. 2008, Puerto Santiago, Tenerife, Canary Islands

    2007

  35. T. Asikainen, K. Mursula and P. Daly, Energetic particle signatures in association with flux transfer events in the exterior cusp, IUGG XXIV Conference, 1.-13. July 2007, Perugia, Italy

    2006

  36. T. Asikainen and K. Mursula, South Atlantic Anomaly can act as a trap for energetic electrons, XL Annual Conference of the Finnish Physical Society, 9-11 March, 2006, Tampere, Finland

  37. T. Asikainen, Observations of a Great Magnetic Storm, Monthly Meeting of Finnish Geophysical Society, 18. April, 2006, Helsinki, Finland

  38. T. Asikainen, Reconnection and Energetic Particles at the Edge of Exterior Cusp, Cluster RAPID/PEACE Joint team meeting, 21.-25. August, 2006, Los Alamos, NM, USA

  39. T. Asikainen and K. Mursula, Trapping of Energetic Electrons inside the South Atlantic Anomaly and Their Long-Term Properties, International Symposium on Recent Observations and Simulations of the Sun-Earth System, 17-22 September 2006, Varna, Bulgaria

    2005

  40. T. Asikainen, K. Mursula, R. Kerttula, R. Friedel, D. Baker, F. Soeraas, J.F. Fennell and J.B. Blake, Dynamics of Energetic Particles During the Major Magnetic Storm of 31 March, 2001, XXXIX Annual Conference of the Finnish Physical Society, March 17-19, 2005, Espoo, Finland

    2004

  41. T. Asikainen, K. Mursula, R. Friedel, P. Daly, Statistical Study of the Energetic Particles in the Exterior Cusp and High-Latitude Dayside Plasma Sheet, Proc. of the XXXVIII Annual Conference of the Finnish Physical Society, Oulu, Finland, 2004

  42. T. Asikainen, K. Mursula, R.Friedel, P. Daly, Statistical Study of Energetic Particles in the Cusp and the High Latitude Dayside Plasma Sheet, 1st EGU General Assembly, Nice, France, April 25-30, 2004

  43. T. Asikainen, K. Mursula, R.Friedel, P.Daly, A. Balogh and H. Reme, Statistical Study of Energetic Particles in the Exterior Cusp and High-Latitude Dayside Magnetosphere, RAPID Team Meeting, University of Boston, Boston MA, USA, September 25-26, 2004

  44. T. Asikainen, K. Mursula, R.Friedel, P.Daly, A. Balogh and H. Reme, Statistical Study of Energetic Particles in the Exterior Cusp and High-Latitude Dayside Magnetosphere, 8th Cluster Workshop, University of New Hampshire, Durham, NH, USA, September 28-October 1, 2004

    2003

  45. Mursula, K., T. Asikainen, R. Kerttula, A. Vaivads, R. Friedel, P. Daly, F. S�raas, M. Grande, M. Carter, and J.F. Fennell: Observations of energetic particles in the dayside magnetosphere by Cluster-II, EGS-AGU-EUG Joint Assembly, Nice, France, 6-11 April, 2003

  46. K. Mursula, A. Aikio, T. Asikainen, R. Kerttula, K. Niskala, CLUSTER-II and MIRACLE (C2M): Mesoscale structure of coupled solar wind-magnetosphere-ionosphere system, 3rd and Final ANTARES Seminar, Finlandia Hall, Helsinki, Finland, October 30, 2003

    2002

  47. T. Asikainen, K. Mursula, R. Kerttula, R. Friedel, D. Baker, F. Soeraas, P. Daly, T. Fritz and M. Carter: CLUSTER-II/RAPID energetic particle observations at the dayside magnetospheric boundary, The IX Meeting of Finnish National COSPAR, 30.10-1.11.2002

  48. R. Kerttula, K. Mursula, T. Asikainen, R. Friedel, D. Baker, F. Soeraas, P. Daly, T. Fritz and M. Carter: Energetic particle boundaries and injections during the main phase of a major magnetic storm, The IX Meeting of Finnish National COSPAR, 30.10-1.11.2002.

  49. K. Mursula, A. Aikio, T. Asikainen, R. Kerttula and K. Niskala, CLUSTER-II and MIRACLE: Mesoscale structure of coupled solar wind-magnetosphere-ionosphere system: CLUSTER-II results, The IX Meeting of Finnish National COSPAR, 30.10-1.11.2002

    2001

  50. K. Mursula, T. Asikainen, and I. Usoskin, Additional evidence for the relic magnetic field in the Sun, Proc. of the XXVI General Assembly of the European Geophysical Society, Nice, France, 25.-30. 4. 2001, Geophys. Res. Abstr., 3, 6051, 2001.


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Last updated 8 Aug 2019