List of publications of Liisa Juusola (https://orcid.org/0000-0003-0864-5949)

Updated 14 Oct 2024

Peer-refereed scientific articles

Journal articles as first author

  1. Juusola, L., Viljanen, A., Partamies, N., Vanhamäki, H., Kellinsalmi, M., and Walker, S.: Three principal components describe the spatiotemporal development of mesoscale ionospheric equivalent currents around substorm onsets, Ann. Geophys., 41, 483-510, https://doi.org/10.5194/angeo-41-483-2023, 2023.
  2. Juusola, L., Viljanen, A., Dimmock, A. P., Kellinsalmi, M., Schillings, A., and Weygand, J. M. (2023): Drivers of rapid geomagnetic variations at high latitudes, Ann. Geophys., 41, 13-37, https://doi.org/10.5194/angeo-41-13-2023
  3. Juusola, L., H. Vanhamäki, A. Viljanen, and M. Smirnov (2020): Induced currents due to 3D ground conductivity play a major role in the interpretation of geomagnetic variations, Ann. Geophys., 38, 983-998, https://doi.org/10.5194/angeo-38-983-2020
  4. Juusola, L., Y. Pfau-Kempf, U. Ganse, M. Battarbee, T. Brito, M. Grandin, L. Turc, and M. Palmroth (2018): A possible source mechanism for magnetotail current sheet flapping, Ann. Geophys., 36, 1027-1035, https://doi.org/10.5194/angeo-36-1027-2018
  5. Juusola, L., S. Hoilijoki, Y. Pfau-Kempf, U. Ganse, R. Jarvinen, M. Battarbee, E. Kilpua, L. Turc, and M. Palmroth (2018): Fast plasma sheet flows and X line motion in the Earth's magnetotail: results from a global hybrid-Vlasov simulation, Ann. Geophys., 36, 1183-1199, https://doi.org/10.5194/angeo-36-1183-2018
  6. Juusola L., W. E. Archer, K. Kauristie, J. K. Burchill, H. Vanhamäki, A. T. Aikio (2016): Ionospheric conductances and currents of a morning-sector auroral arc from Swarm-A electric and magnetic field measurements, Geophys. Res. Lett., 43, https://doi.org/10.1002/2016GL070248
  7. Juusola L., K. Kauristie, H. Vanhamäki, A. T. Aikio, and M. van de Kamp (2016): Comparison of auroral ionospheric and field-aligned currents derived from Swarm and ground magnetic field measurements, J. Geophys. Res., 121, https://doi.org/10.1002/2016JA022961
  8. Juusola, L., K. Kauristie, M. van de Kamp, E. I. Tanskanen, K. Mursula, T. Asikainen, K. Andréeová, N. Partamies, H. Vanhamäki, and A. Viljanen (2015): Solar wind control of ionospheric equivalent currents and their time derivatives, J. Geophys. Res. Space Physics, 120, 4971-4992, https://doi.org/10.1002/2015JA021204
  9. Juusola, L., A. Viljanen, M. van de Kamp, E. I. Tanskanen, H. Vanhamäki, N. Partamies, and K. Kauristie (2015): High-latitude ionospheric equivalent currents during strong space storms: Regional perspective, Space Weather, 13, 49-60, https://doi.org/10.1002/2014SW001139
  10. Juusola, L., G. Facskó, I. Honkonen, P. Janhunen, H. Vanhamäki, K. Kauristie, T. V. Laitinen, S. E. Milan, M. Palmroth, E. I. Tanskanen, and A. Viljanen (2014): Statistical comparison of seasonal variations in the GUMICS-4 global MHD model ionosphere and measurements, Space Weather, 11, 582-600, https://doi.org/10.1002/2014SW001082
  11. Juusola, L., S. E. Milan, M. Lester, A. Grocott, and S. M. Imber (2014): Interplanetary magnetic field control of the ionospheric field-aligned current and convection distributions, J. Geophys. Res. Space Physics, 119, 3130-3149, https://doi.org/10.1002/2013JA019455
  12. Juusola, L., N. Partamies, and E. Tanskanen (2013): Effect of the ring current on preconditioning the magnetosphere for steady magnetospheric convection, Geophys. Res. Lett., 40, https://doi.org/10.1002/grl.50405
  13. Juusola, L., M. Kubyshkina, R. Nakamura, T. Pitkänen, O. Amm, K. Kauristie, N. Partamies, H. Rème, K. Snekvik, and D. Whiter (2013): Ionospheric signatures of a plasma sheet rebound flow during a substorm onset, J. Geophys. Res. Space Physics, 118, 350-363, https://doi.org/10.1029/2012JA018132
  14. Juusola, L., N. Østgaard, E. Tanskanen, N. Partamies, and K. Snekvik (2011): Earthward plasma sheet flows during substorm phases, J. Geophys. Res., 116, A10228, https://doi.org/10.1029/2011JA016852
  15. Juusola, L., N. Østgaard, and E. Tanskanen (2011): Statistics of plasma sheet convection, J. Geophys. Res., 116, A08201, https://doi.org/10.1029/2011JA016479
  16. Juusola, L., K. Andréeová, O. Amm, K. Kauristie, S. E. Milan, M. Palmroth, and N. Partamies (2010): Effects of a solar wind dynamic pressure increase in the magnetosphere and in the ionosphere, Ann. Geophys., 28, 1945-1959, https://doi.org/10.5194/angeo-28-1945-2010
  17. Juusola, L., R. Nakamura, O. Amm, and K. Kauristie (2009): Conjugate ionospheric equivalent currents during bursty bulk flows, J. Geophys. Res., 114, A04313, https://doi.org/10.1029/2008JA013908
  18. Juusola, L., K. Kauristie, O. Amm, and P. Ritter (2009): Statistical dependence of auroral ionospheric currents on solar wind and geomagnetic parameters from 5 years of CHAMP satellite data, Ann. Geophys., 27, 1005-1017, https://doi.org/10.5194/angeo-27-1005-2009
  19. Juusola, L., O. Amm, H. U. Frey, K. Kauristie, R. Nakamura, C. J. Owen, V. Sergeev, J. A. Slavin, A. and Walsh (2008): Ionospheric signatures during a magnetospheric flux rope event, Ann. Geophys., 26, 3967-3977, https://doi.org/10.5194/angeo-26-3967-2008
  20. Juusola, L., O. Amm, K. Kauristie, and A. Viljanen (2007): A model for estimating the relation between the Hall to Pedersen conductance ratio and ground magnetic data derived from CHAMP satellite statistics, Ann. Geophys., 25, 721-736, https://doi.org/10.5194/angeo-25-721-2007
  21. Juusola, L., O. Amm, and A. Viljanen (2006): One-dimensional spherical elementary current systems and their use for determining ionospheric currents from satellite measurements, Earth, Planets and Space, 58, 667-678, https://doi.org/10.1186/BF03351964

Journal articles as co-author

  1. Aikio, A. T., H. Vanhamäki, A. B. Workayehu, I. I. Virtanen, K. Kauristie, L. Juusola, S. Buchert, D. Knudsen (2018): Swarm satellite and EISCAT radar observations of a plasma flow channel in the auroral oval near magnetic midnight, J. Geophys. Res. Space Physics, 123, 5140-5158, https://doi.org/10.1029/2018JA025409
  2. Archer, W. E., D. J. Knudsen, J. K. Burchill, B. J. Jackel, E. F. Donovan, M. Connors, and L. Juusola (2017): Birkeland Current Boundary Flows, J. Geophys. Res., 122, https://doi.org/10.1002/2016JA023789
  3. Andréeová, K., L. Juusola, E. K. J. Kilpua, and H. E. J. Koskinen (2014): Analysis of double-step response to an interplanetary shock in the dayside magnetosphere, Ann. Geophys., 32, 1293-1302, https://doi.org/10.5194/angeo-32-1293-2014
  4. Andreeova, K., T. I. Pulkkinen, L. Juusola, M. Palmroth, and O. Santolík (2011): Propagation of a shock-related disturbance in the Earth's magnetosphere, J. Geophys. Res., 116, A01213, https://doi.org/10.1029/2010JA015908
  5. Apatenkov, S. V., V. A. Pilipenko, E. I. Gordeev, A. Viljanen, L. Juusola, V. B. Belakhovsky, Y. A. Sakharov, and V. N. Selivanov (2020): Auroral omega bands are a significant cause of large geomagnetically induced currents Geophys. Res. Lett., 47, e2019GL086677, https://doi.org/10.1029/2019GL086677
  6. Blanco-Cano, X., M. Battarbee, L. Turc, A. P. Dimmock, E. K. J. Kilpua, S. Hoilijoki, U. Ganse, D. G. Sibeck, P. A. Cassak, R. C. Fear, R. Jarvinen, L. Juusola, Y. Pfau-Kempf, R. Vainio, and M. Palmroth (2018): Cavitons and spontaneous hot flow anomalies in a hybrid-Vlasov global magnetospheric simulation, Ann. Geophys., 36, 1081-1097, https://doi.org/10.5194/angeo-36-1081-2018
  7. Frey, H. U., O. Amm, C. C. Chaston, S. Fu, G. Haerendel, L. Juusola, T. Karlsson, B. Lanchester, R. Nakamura, N. Østgaard, T. Sakanoi, E. Séran, D. Whiter, J. Weygand, K. Asamura, and M. Hirahara (2010): Small and meso-scale properties of a substorm onset auroral arc, J. Geophys. Res., 115, A10209, https://doi.org/10.1029/2010JA015537
  8. Grocott, A., T. K. Yeoman, S. E. Milan, O. Amm, H. U. Frey, L. Juusola, R. Nakamura, C. J. Owen, H. Reme, and T. Takada (2007): Multi-scale observations of magnetotail flux transport during IMF-northward non-substorm intervals, Ann. Geophys., 25, 1709-1720, https://doi.org/10.5194/angeo-25-1709-2007
  9. Haerendel, G., H. U. Frey, C. C. Chaston, O. Amm, L. Juusola, R. Nakamura, E. Seran, and J. M. Weygand (2012): Birth and life of auroral arcs embedded in the evening auroral oval convection: A critical comparison of observations with theory, J. Geophys. Res., 117, A12220, https://doi.org/10.1029/2012JA018128
  10. Hoilijoki, S., U. \ Ganse, D. G. Sibeck, P. A. Cassak, L. Turc, M. Battarbee, R. C. Fear, X. Blanco-Cano, A. P. Dimmock, E. K. J. Kilpua, R. Jarvinen, L. Juusola, Y. Pfau-Kempf, and M. Palmroth (2019): Properties of magnetic reconnection and FTEs on the dayside magnetopause with and without positive IMF Bx component during southward IMF, J. Geophys. Res. Space Physics, 124, https://doi.org/10.1029/2019JA026821
  11. Ieda, A., K. Kauristie, Y. Nishimura, Y. Miyashita, H. U. Frey, L. Juusola, D. Whiter, M. Nosé, M. O. Fillingim, F. Honary, N. C. Rogers, Y. Miyoshi, T. Miura, T. Kawashima, and S. Machida (2018): Simultaneous observation of auroral substorm onset in Polar satellite global images and ground-based all-sky images, Earth, Planets and Space, 70:73, https://doi.org/10.1186/s40623-018-0843-3
  12. Janhunen, P., M. Palmroth, T. Laitinen, I. Honkonen, L. Juusola, G. Facskó, T. I. Pulkkinen (2012): The GUMICS-4 global MHD magneto-sphere-ionosphere coupling simulation, J. Atm. Solar-Terr. Phys., 80, 48-59, https://doi.org/10.1016/j.jastp.2012.03.006
  13. Jarvinen, R., R. Vainio, M. Palmroth, L. Juusola, S. Hoilijoki, Y. Pfau-Kempf, U. Ganse, L. Turc, and S. von Alfthan (2018): Ion acceleration by flux transfer events in the terrestrial magnetosheath, Geophys. Res. Lett., 45, https://doi.org/10.1002/2017GL076192
  14. Kauristie, K., M. Myllys, N. Partamies, A. Viljanen, P. Peitso, L. Juusola, S. Ahmadzai, V. Singh, R. Keil, U. Martinez, A. Luginin, A. Glover, V. Navarro, and T. Raita (2016): Forecasting auroras from regional and global magnetic field measurements, Geosci. Instrum. Method. Data Syst., 5, 253-262, https://doi.org/10.5194/gi-5-253-2016
  15. Kellinsalmi, M., A. Viljanen, L. Juusola, and S. Käki, S. (2022): The time derivative of the geomagnetic field has a short memory, Ann. Geophys., 40, 545-562, https://doi.org/10.5194/angeo-40-545-2022
  16. Kilpua, E., L. Juusola, M. Grandin, A. Kero, S. Dubyagin, N. Partamies, A. Osmane, H. George, M. Kalliokoski, T. Raita, T. Asikainen, and M. Palmroth (2020): Cosmic noise absorption signature of particle precipitation during interplanetary coronal mass ejection sheaths and ejecta, Ann. Geophys., 38, 557-574, https://doi.org/10.5194/angeo-38-557-2020
  17. Lanabere, V., Dimmock, A. P., Rosenqvist, L., Juusola, L., Viljanen, A., Johlander, A., and Odelstad, E. (2023). Analysis of the geoelectric field in Sweden over solar cycles 23 and 24: Spatial and temporal variability during strong GIC events. Space Weather, 21, e2023SW003588. https://doi.org/10.1029/2023SW003588
  18. Marshalko, E., M. Kruglyakov, A. Kuvshinov, L. Juusola, N. K. Kwagala, E. Sokolova, and V. Pilipenko (2021): Comparing three approaches to the inducing source setting for the ground electromagnetic field modeling due to space weather events, Space Weather, 19, e2020SW002657, https://doi.org/10.1029/2020SW002657
  19. Myllys, M., N. Partamies, and L. Juusola (2015): Latitude dependence of long-term geomagnetic activity and its solar wind drivers, Ann. Geophys., 33, 573-581, https://doi.org/10.5194/angeo-33-573-2015
  20. Nakamura, R., W. Baumjohann, E. Panov, M. Volwerk, J. Birn, A. Artemyev, A. A. Petrukovich, O. Amm, L. Juusola, M. V. Kubyshkina, S. Apatenkov, E. A. Kronberg, P. W. Daly, M. Fillingim, J. M. Weygand, A. Fazakerley, Y. Khotyaintsev (2013): Flow bouncing and electron injection observed by Cluster, J. Geophys. Res. Space Physics, 118, https://doi.org/10.1002/jgra.50134
  21. Norberg, J., L. Roininen, A. Kero, T. Raita, T. Ulich, M. Markkanen, L. Juusola, and K. Kauristie (2015): Sodankylä ionospheric tomography dataset 2003-2014, Geosci. Instrum. Method. Data Syst. Discuss., 5, 385-404, https://doi.org/10.5194/gid-5-385-2015
  22. Oliveira, D. M., R. C. Allen, L. R. Alves, S. P. Blake, B. A. Carter, D. Chakrabarty, G. D'Angelo, K. Delano, E. Echer, C. P. Ferradas, M. G. Finley, B. Gallardo-Lacourt, D. Gershman, J. W. Gjerloev, J. B. Habarulema, M. D. Hartinger, R. Hajra, H. Hayakawa, L. Juusola, K. M. Laundal, R. J. Leamon, M. Madelaire, M. Martínez-Ledesma, S. M. McIntosh, Y. Miyoshi, M. B. Moldwin, E. Nahayo, D. Nandy, B. Nilam, K. Nykyri, W. R. Paterson, M. Piersanti, E. Pietropaolo, C. J. Rodger, T. Shah, A. W. Smith, N. Srivastava, B. T. Tsurutani, S. T. Ram, L. A. Upton, B. Veenadhari, S. Vidal-Luengo, A. Viljanen, S. K. Vines, V. K. Yadav, J.-H. Yee, J. W. Weygand, E. Zesta (2024): Predicting interplanetary shock occurrence for solar cycle 25: Opportunities and challenges in space weather research, Space Weather, 22, e2024SW003964, https://doi.org/10.1029/2024SW003964
  23. Østgaard, N., K. M. Laundal, L. Juusola, A. Åsnes, S. E. Håland, and J. M. Weygand (2011): Interhemispherical asymmetry of substorm onset locations and the interplanetary magnetic field, Geophys. Res. Lett., 38, L08104, https://doi.org/10.1029/2011GL046767
  24. Palmroth, M., S. Hoilijoki, L. Juusola, T. I. Pulkkinen, H. Hietala, Y. Pfau-Kempf, U. Ganse, S. von Alfthan, R. Vainio, and M. Hesse (2017): Tail reconnection in the global magnetospheric context: Vlasiator first results, Ann. Geophys., 35, 1269-1274, https://doi.org/10.5194/angeo-35-1269-2017
  25. Partamies, N., Dol, B., Teissier, V., Juusola, L., Syrjäsuo, M., and Mulders, H. (2024): Auroral breakup detection in all-sky images by unsupervised learning, Ann. Geophys., 42, 103-115, https://doi.org/10.5194/angeo-42-103-2024
  26. Partamies, N., J. M. Weygand, and L. Juusola (2017): Statistical study of auroral omega bands, Ann. Geophys., 35, 1069-1083, https://doi.org/10.5194/angeo-35-1069-2017
  27. Partamies, N., L. Juusola, D. Whiter, and K. Kauristie (2015): Substorm evolution of auroral structures, J. Geophys. Res. Space Physics, 120, 5958-5972, https://doi.org/10.1002/2015JA021217
  28. Partamies, N., L. Juusola, E. Tanskanen, and K. Kauristie (2013): Statistical properties of substorms during different storm and solar cycle phases, Ann. Geophys., 31, 349-358, https://doi.org/10.5194/angeo-31-349-2013
  29. Partamies, N., L. Juusola, E. Tanskanen, K. Kauristie, J. M. Weygand, and Y. Ogawa (2011): Substorms during different storm phases, Ann. Geophys., 29, 2031-2043, https://doi.org/10.5194/angeo-29-2031-2011
  30. Pedersen, M. N., Juusola, L., Vanhamäki, H., Aikio, A. T., and Viljanen, A. (2024): Rapid geomagnetic variations during high-speed stream, sheath and magnetic cloud-driven geomagnetic storms from 1996 to 2023, Journal of Geophysical Research: Space Physics, 129, e2024JA032656, https://doi.org/10.1029/2024JA032656
  31. Pfau-Kempf, Y., H. Hietala, S. E. Milan, L. Juusola, S. Hoilijoki, U. Ganse, S. von Alfthan, and M. Palmroth (2016): Evidence for transient, local ion foreshocks caused by dayside magnetopause reconnection, Ann. Geophys., 34, 943-959, https://doi.org/10.5194/angeo-34-943-2016
  32. Pitkänen, T., A. T. Aikio, and L. Juusola (2013): Observations of polar cap flow channel and plasma sheet flow bursts during substorm expansion, J. Geophys. Res. Space Physics, 118, 774-784, https://doi.org/10.1002/jgra.50119
  33. Schillings, A., L. Palin, H. J. Opgenoorth, M. Hamrin, L. Rosenqvist, J. W. Gjerloev, L. Juusola, and R. Barnes (2022): Distribution and occurrence frequency of dB/dt spikes during magnetic storms 1980-2020, Space Weather, 20, e2021SW002953, https://doi.org/10.1029/2021SW002953
  34. Snekvik, K., E. Tanskanen, N. Østgaard, L. Juusola, K. Laundal, E. I. Gordeev, and A. L. Borg (2012): Changes in the magnetotail configuration before near-Earth reconnection, J. Geophys. Res., 117, A02219, https://doi.org/10.1029/2011JA017040
  35. Snekvik, K., L. Juusola, N. Østgaard, and O. Amm (2009): Reconnection Hall current system observed in the magnetotail and in the ionosphere, Geophys. Res. Lett., 36, L08104, https://doi.org/10.1029/2009GL037239
  36. Snekvik, K., S. Haaland, N. Østgaard, H. Hasegawa, R. Nakamura, T. Takada, L. Juusola, O. Amm, F. Pitout, H. Reme, B. Klecker, and E. A. Lucek (2007), Cluster observations of a field aligned current at the dawn flank of a bursty bulk flow, Ann. Geophys., 25, 1405-1415, https://doi.org/10.5194/angeo-25-1405-2007
  37. Takada, T., R. Nakamura, L. Juusola, O. Amm, W. Baumjohann, M. Volwerk, A. Matsuoka, B. Klecker, K. Snekvik, C. J. Owen, A. N. Fazakerley, H. U. Frey, H. Rème, E. A. Lucek, and C. Carr (2008): Local field-aligned currents in the magnetotail and ionosphere as observed by a Cluster, Double Star, and MIRACLE conjunction, J. Geophys. Res., 113, A07S20, https://doi.org/10.1029/2007JA012759
  38. Turc, L., U. Ganse, Y. Pfau-Kempf, S. Hoilijoki, M. Battarbee, L. Juusola, R. Jarvinen, T. Brito, M. Grandin, and M. Palmroth (2018): Foreshock properties at typical and enhanced interplanetary magnetic field strengths: results from hybrid-Vlasov simulations, J. Geophys. Res. Space Physics, 123, 5476-5493, https://doi.org/10.1029/2018JA025466
  39. Vanhamäki, H., A. Aikio, M. Voiculescu, L. Juusola, T. Nygrén, and R. Kuula (2016): Electrodynamic structure of the morning high-latitude trough region, J. Geophys. Res. Space Physics, 121, 2669-2682, https://doi.org/10.1002/2015JA022021
  40. Vokhmyanin, M., S. Apatenkov, E. Gordeev, V. Andreeva, N. Partamies, K. Kauristie, and L. Juusola (2021): Statistics on omega band properties and related geomagnetic variations, J. Geophys. Res. Space Physics, 126, e2021JA029468, https://doi.org/10.1029/2021JA029468

Chapter in research book

  1. Vanhamäki, H., and L. Juusola (2020): Introduction to Spherical Elementary Current Systems, in Ionospheric Multi-Spacecraft Analysis Tools (eds M. W. Dunlop and H. Lühr), ISSI Scientific Report Series 17, 5-33, https://doi.org/10.1007/978-3-030-26732-2
  2. Vanhamäki, H., and L. Juusola (2018): Review of Data Analysis Techniques for Estimating Ionospheric Currents Based on MIRACLE and Satellite Observations, in Electric Currents in Geospace and Beyond (eds A. Keiling, O. Marghitu, and M. Wheatland), https://doi.org/10.1002/9781119324522.ch24

Theses

Doctoral dissertation (article)

  1. Juusola, L., (2009): Observations of the solar wind-magnetosphere-ionosphere coupling, Finnish Meteorological Institute Contributions, 78, http://urn.fi/URN:ISBN:978-951-697-692-4

Master's thesis

  1. Juusola, L., (2004): One-dimensional spherical elementary current systems and their use for determining ionospheric currents from satellite measurements.