Peer reviewed journal publications/book chapters (updated in May 2026), UG students are marked with *, M.S students with **, Ph.D students with *** and postdoctoral research associates and former mentees with #. See also selected works at https://works.bepress.com/heidi-nykyri/
2026:
[107.] Nykyri, K., Stern--Gerlach Spin Sorting in Relativistic Magnetic Reconnection, https://doi.org/10.48550/arXiv.2605.16243
[106.]Â Nykyri, K., Blasl, K., Liou, Y.-L., Ma, X., Le, G., Gershman, D., et al. (2026). Statistical distribution of the characteristic heating frequency in mesoscale physical processes in space plasmas: Application to the Kelvin-Helmholtz and drift mirror instabilities. Journal of Geophysical Research: Space Physics, 131, e2026JA035233. https://doi.org/10.1029/2026JA035233
[105.]Â Burkholder, B. L., Zou, Y., Chen, L.-J., daSilva, D. E., Nykyri, K., Ma, X., et al. (2026). The day-side magnetic reconnection rate and cusp ion dispersion during the May 2024 geomagnetic storm. Journal of Geophysical Research: Space Physics, 131, e2026JA035059. https://doi.org/10.1029/2026JA035059
[104.]Â Rivera, E. C., Johnson, J. R., Wing, S., Kim, E.-H., Kim, K.-H., Nykyri, K., & Ma, X. (2026). Investigation of causal relationships of the cross-scale wave coupling through information theoretical approach. Journal of Geophysical Research: Space Physics, 131, e2025JA034436. https://doi.org/10.1029/2025JA034436
[103.] Ofman, L., Khabarova, O., Kwon, R.-Y., Yogesh, Heifetz, E., Nykyri, K., 2026., Observation of Large-scale Kelvin─Helmholtz Instability Wave Driven by a Coronal Mass Ejection, The Astrophysical Journal 997. doi:10.3847/2041-8213/ae3136
[102.] Laakso, H., Le, G., Pfaff, R., Boardsen, S., & Nykyri, K. (2026). Derivation of ambient electron density using spacecraft potential measurements from the MMS and Van Allen satellites: Application to the plasmasphere. Journal of Geophysical Research: Space Physics, 131, e2025JA034700. https://doi.org/10.1029/2025JA034700
2025:
[101.]Â Oliveira DM, Piersanti M, Walach M-T, Alves LR, Tobiska WK, Blanco-Cano X and Nykyri K (2025) Editorial: Impacts of the extreme Gannon geomagnetic storm of May 2024 throughout the magnetosphere-ionosphere-thermosphere system. Front. Astron. Space Sci. 12:1742847. doi: 10.3389/fspas.2025.1742847
[100.]Â Radhakrishnan, D. K. V., Fuselier, S. A., Nykyri, K., Hwang, K.-J., Petrinec, S. M., Gershman, D. J., & Burch, J. L. (2025). KHI development between inner LLBL and magnetosphere on the far flanks as observed by the MMS mission. Geophysical Research Letters, 52, e2025GL116901. https://doi.org/10.1029/2025GL116901
[99.] Niklas Grimmich, Adriana Settino, Heidi Katariina Nykyri, Martin Owain Archer, Kevin-Alexander Blasl, Adrian Pöppelwerth, Rumi Nakamura, Ferdinand Plaschke, Comparison of Kelvin–Helmholtz waves observed simultaneously at the dawn and dusk flanks of the Earth’s magnetopause,
Planetary and Space Science, Volume 267, 2025, 106182, ISSN 0032-0633, https://doi.org/10.1016/j.pss.2025.106182.
[98.] Â Seo B., M. Avila, T. Clevenger, et al. 2025. "A new single flux rope experiment for studying
the dynamics of a magnetized plasma jet." Review of Scientific
Instruments 96 (5): [10.1063/5.0249513] [Journal Article/Letter]
[97.] Liou Y.***, K. Nykyri, X. Ma, et al. 2025. "Generation of FTE Signatures by the Kelvin–
Helmholtz Instability." Journal of Geophysical Research: Space
Physics 130 (4): [10.1029/2024ja033541] [Journal Article/Letter]
[96.] Nykyri K., X. Blanco-Cano, D. Knudsen, et al. 2025. "Editorial: Past, present and future of
multispacecraft measurements for space physics." Frontiers in Astronomy and Space
Sciences 12[10.3389/fspas.2025.1579994] [Journal Article/Letter]
[95.] Burkholder B. L.#, L. Chen, K. Nykyri, et al. 2025. "Mach Number Scaling of Foreshock
Magnetic Fluctuations at Quasi-parallel Bow Shocks and Their Role in Magnetospheric
Driving Throughout the Solar System." The Astrophysical Journal 980 (1): 7 [10.3847/1538-
4357/ada440] [Journal Article/Letter]
[94.] Liou Y.***, K. Nykyri, X. Ma, et al. 2025. "Statistical Study of the Solar Wind Current Sheet
Properties: Defining Instrument Requirements for the Seven Sisters Mission
Concept." Journal of Geophysical Research: Space
Physics 130 (1): [10.1029/2024ja032610] [Journal Article/Letter]
2024:
[93.] Nykyri K., S. Di Matteo, M. O. Archer, et al. 2024. "Could a Low-Frequency Perturbation in
the Earth's Magnetotail Be Generated by the Lunar Wake?." Geophysical Research
Letters 51 (22): [10.1029/2024gl110129] [Journal Article/Letter]
[92.] Nykyri K. 2024. "Giant Kelvin-Helmholtz (KH) Waves at the Boundary Layer of the Coronal
Mass Ejections (CMEs) Responsible for the Largest Geomagnetic Storm in
20 Years." Geophysical Research Letters 51 (20):[10.1029/2024gl110477] [Journal
Article/Letter]
[91.] Rice R. C.#, K. A. Blasl, K. Nykyri, et al. 2024. "Multi-scale processes of the Kelvin-Helmholtz
instability at Earth’s magnetopause." Frontiers in Astronomy and Space
Sciences 11 [10.3389/fspas.2024.1464010] [Journal Article/Letter]
[90.] Radhakrishnan D. K., S. A. Fuselier, S. M. Petrinec, et al. 2024. "Evidence of Plasma Mixing
at the Earth's Magnetopause Due To Kelvin Helmholtz Vortices." Journal of Geophysical
Research: Space Physics 129 (9):[10.1029/2024ja032869] [Journal Article/Letter]
[89.] Kelly H. M., M. O. Archer, X. Ma, et al. 2024. "Identification of Kelvin-Helmholtz generated
vortices in magnetised fluids." Frontiers in Astronomy and Space
Sciences 11 [10.3389/fspas.2024.1431238] [Journal Article/Letter]
[88.] Archer M. O., X. Shi, M. Walach, et al. 2024. "Crucial future observations and directions for
unveiling magnetopause dynamics and their geospace impacts." Frontiers in Astronomy and
Space Sciences 11[10.3389/fspas.2024.1430099] [Journal Article/Letter]
[87.] Oliveira D. M., R. C. Allen, L. R. Alves, et al. 2024. "Predicting Interplanetary Shock
Occurrence for Solar Cycle 25: Opportunities and Challenges in Space Weather
Research." Space Weather 22 (8): e2024SW003964[10.1029/2024sw003964] [Journal
Article/Letter]
[86.] Holland K. M.***, H. K. Nykyri, X. Ma, et al. 2024. "Comparing Information Theory Analysis
With Cross-Correlation and Minimum Variance Analysis of the Solar Wind Structures." Space
Weather 22 (7): [10.1029/2024sw003870][Journal Article/Letter]
[85.] Archer M. O., V. A. Pilipenko, B. Li, et al. 2024. "Magnetopause MHD surface wave theory:
progress & challenges." Frontiers in Astronomy and Space
Sciences 11 [10.3389/fspas.2024.1407172] [Journal Article/Letter]
[84.] Opgenoorth H. J., R. Robinson, C. M. Ngwira, et al. 2024. "Earth’s Geomagnetic
Environment—Progress and Gaps in Understanding, Prediction, and Impacts." Advances in
Space Research [10.1016/j.asr.2024.05.016][Journal Article/Letter]
[83.] Adhikari L., G. P. Zank, D. Telloni, et al. 2024. "Turbulence, and Proton and Electron Heating
Rates in the Solar Corona: Analytical Approach." The Astrophysical
Journal 966 (1): 52 [10.3847/1538-4357/ad3109] [Journal Article/Letter]
[82.] Nykyri K. 2024. "On the Importance of the Kelvin-Helmholtz Instability on Magnetospheric
and Solar Wind Dynamics During High Magnetic Shear." Geophysical Research
Letters 51 (8): [10.1029/2024gl108605] [Journal Article/Letter]
[81]. Adhikari L., G. P. Zank, L. Zhao, et al. 2024. "MHD Inertial and Energy-containing Range
Turbulence Anisotropy in the Young Solar Wind." The Astrophysical
Journal 965 (1): 94 [10.3847/1538-4357/ad2fc4] [Journal Article/Letter]
[80.] Ma X., P. Delamere, K. Nykyri, et al. 2024. "Density and Magnetic Field Asymmetric Kelvin-Helmholtz Instability."Journal of Geophysical Research: Space
Physics 129 (3): [10.1029/2023ja032234] [Journal Article/Letter]
2023:
[79.]Â Yu-Lun Liou***, Katariina Nykyri, Shiva Kavosi#, and Xuanye Ma, Statistical Study of
the Energetic Electron Microinjections at the High-latitude Magnetosphere, Journal of
Geophysical Research, Space Physics, revision submitted, August, 2023
[78.] Archer, M. O., Southwood, D. J., Hartinger, M. D., Rastätter, L., & Nykyri, K. (2023). Magnetosonic ULF waves with anomalous plasma–magnetic field correlations: Standing waves and inhomogeneous plasmas. Geophysical Research Letters, 50, e2023GL104762. https://doi.org/10.1029/2023GL104762
[77.] West, M.J., Seaton, D.B., Wexler, D.B…..Nykyri, K., et al. Defining the Middle
Corona. Sol Phys 298, 78 (2023). https://doi.org/10.1007/s11207-023-02170-1
[76.] Katariina Nykyri, Xuanye Ma, Brandon Burkholder#, Yu-Lun Liou***, Roberto
Cuellar**, Shiva Kavosi# et al., Seven Sisters - A Mission to Study Fundamental Plasma,
Physical Processes in the Solar Wind and a Pathfinder to Advance Space Weather Prediction,
Front. Astron. Space Sci. 10:1179344, 4. doi: 10.3389/fspas.2023.1179344.
[75.] Laxman Adhikari, G. Zank, B.-B Wang, L.-L Zhao, D. Telloni, A. Pitna, M. Opher, B.
Shrestha, D. McComas, and Katariina Nykyri, Theory and Transport of Nearly Incompressible
Magnetohydrodynamic Turbulence: High Plasma Beta Regime, in press, June, 2023
[74.] K. Nykyri, Y. Liou***, X. Ma, S. Kavosi#, J. Egedal, S. A. Fuselier, R. G Gomez; Wave
analysis during energetic electron microinjections: A case study. Physics of Plasmas 1 July 2023;
30 (7): 072903. https://doi.org/10.1063/5.0142938
[73.] Kyoung-Joo Hwang, Chih-Ping Wang, Katariina Nykyri, Hiroshi Hasegawa, et al.,
Kelvin-Helmholtz Instability-driven magnetopause dynamics as turbulent pathway for the solar
wind magnetosphere coupling and the flank-central plasma sheet communication, 10, 1151869,
2023
[72.] Kavosi, S#., J. Raeder, J. R. Johnson, K. Nykyri, C. J. Farrugia, Seasonal and Diurnal
variations of Kelvin-Kelvin-Helmholtz Instability at the Earth’s Magnetopause, Nature Communications
14 (1), 2513, 2023
2022:Ěý
[71.] Burkholder, B. L.#, Cuellar, R.**, Nykyri, K., Ma, X., Debchoudhury, S., A Regional Classification of Time Spectral Amplitudes in Total Electron Content: Southeastern United States During Solar Cycle 24, Front. Astron. Space Sci., 24 November 2022 Sec. Space Physics, https://doi.org/10.3389/fspas.2022.1040082
[70.] Rice, R. C.***, Nykyri, K., Ma, X., & Burkholder, B. L. # (2022). Characteristics of Kelvin–Helmholtz waves as observed by the MMS from September 2015 to March 2020. Journal of Geophysical Research: Space Physics, 127, e2021JA029685.
https://doi.org/10.1029/2021JA029685
[69.] Weygand, J. M., El-Alaoui, M., & Nykyri, H. K. (2022). The Source of Auroral Omegas. Journal of Geophysical Research: Space Physics, 127, e2021JA029908. https://doi.org/10.1029/2021JA029908
2021:
[68.]  Burkholder B.#, Nykyri K., Ma X., Soarthia K., Michael A., Otto A., Merkin S., The Structure of the Cusp Diamagnetic Cavity and Test Particle Energization in the GAMERA Global MHD Simulation, JGR-Space Physics, accepted, November 26th, 2021, 2021JA029738
[67.] Elena A. Kronberg , J Gorman, Katariina Nykyri , A G Smirnov , Jesper W Gjerloev , Elena E. Grigorenko , L V Kozak , Xuanye Ma , K J Trattner and M Friel, Kelvin-Helmholtz Instability Associated with Reconnection and Ultra Low Frequency Waves at the Ground: A Case Study, Front. Phys. doi: 10.3389/fphy.2021.738988
[66.] Eun-Hwa Kim, Jay R Johnson, Katariina Nykyri, Coupling between Alfven wave and Kelvin-Helmholtz waves in the low latitude boundary layer, Journal: Frontiers in Astronomy and Space Sciences, section Space Physics, Front. Astron. Space Sci. doi: 10.3389/fspas.2021.785413
[65.]  Xuanye Ma, Peter Delamere, Katariina Nykyri, Brandon Burkholder#, Stefan Eriksson, Ion dynamics in the meso-scale 3-D Kelvin-Helmholtz instability: perspectives from test particle simulations, ournal: Frontiers in Astronomy and Space Sciences, section Space Physics, Front. Astron. Space Sci. doi: 10.3389/fspas.2021.758442
[64.] Michael, A. T., Sorathia, K. A., Merkin, V. G., Nykyri, K., Burkholder, B., Ma, X., et al. (2021). Modeling Kelvin-Helmholtz Instability at the High-Latitude Boundary Layer in a Global Magnetosphere Simulation. Geophysical Research Letters, 48, e2021GL094002. https://doi.org/10.1029/2021GL094002
[63.]Â Poh, G., Espley, J. R., Nykyri, K., Fowler, C. M., Ma, X., Xu, S., et al. (2021). On the Growth and Development of Non-linear Kelvin-Helmholtz Instability at Mars: MAVEN Observations. Journal of Geophysical Research: Space Physics, 126, e2021JA029224. https://doi.org/10.1029/2021JA029224
[62.] Nykyri, K., Johnson, J., Kronberg, E., Turner, D., Wing, S., Cohen, I., et al. (2021). Magnetospheric multiscale observations of the source region of energetic electron microinjections along the duskside, high-latitude magnetopause boundary layer. Geophysical Research Letters, 48, e2021GL092466. https://doi.org/10.1029/2021GL092466
[61.] Nykyri, K., Ma, X., Burkholder#, B., Rice***, R., Johnson, J. R., Kim, E.-K., et al. (2021). MMS observations of the multiscale wave structures and parallel electron heating in the vicinity of the southern exterior cusp. Journal of Geophysical Research: Space Physics, 126, e2019JA027698. https://doi.org/10.1029/2019JA027698
[60.] Burkholder, B. L.#,  Nykyri, K., & Ma, X. (2021). Magnetospheric multiscale statistics of high energy electrons trapped in diamagnetic cavities. Journal of Geophysical Research: Space Physics, 126, e2020JA028341. https://doi.org/10.1029/2020JA028341
[59.] Nykyri, K., Ma, X. and Johnson, J. (2021). Cross-Scale Energy Transport in Space Plasmas. In Magnetospheres in the Solar System (eds R. Maggiolo, N. André, H. Hasegawa, D.T. Welling, Y. Zhang and L.J. Paxton). https://doi.org/10.1002/9781119815624.ch7
[58.] Delamere, P. A., Ng, C. S., Damiano, P. A., Neupane, B. R., Johnson, J. R., Burkholder, B.#, Ma, X., Nykyri, K., et al. (2021). Kelvin–Helmholtz-related turbulent heating at Saturn's magnetopause boundary. Journal of Geophysical Research: Space Physics, 126, e2020JA028479. https://doi.org/10.1029/2020JA028479
2020:
[57.] Ma, X., Nykyri, K., Dimmock, A.#, & Chu, C.# (2020). Statistical study of solar wind, magnetosheath, and magnetotail plasma and field properties: 12+ years of THEMIS observations and MHD simulations. Journal of Geophysical Research: Space Physics, 125, e2020JA028209. https://doi.org/10.1029/2020JA028209
[56.] Burkholder, B. L.#, Nykyri, K., Ma, X., Rice, R.,*** Fuselier, S. A., & Trattner, K. J., et al. (2020). Magnetospheric Multiscale observation of an electron diffusion region at high latitudes. Geophysical Research Letters, 47, e2020GL087268. https://doi.org/10.1029/2020GL087268
[55.] Burkholder, B. L.#, Nykyri, K., & Ma, X. (2020). Use of the L1 Constellation as a Multispacecraft Solar Wind Monitor. Journal of Geophysical Research: Space Physics, 125, e2020JA027978. https://doi.org/10.1029/2020JA027978
[54.] Nykyri, K. (2020). Structure and Dynamics of the Magnetosheath. In Dayside Magnetosphere Interactions (eds Q. Zong, P. Escoubet, D. Sibeck, G. Le and H. Zhang). https://doi.org/10.1002/9781119509592.ch7
2019:
[53.] Nykyri, K., Bengtson, M.**, Angelopoulos, V., Nishimura, Y., & Wing, S. (2019). Can Enhanced Flux Loading by High Speed Jets Lead to a Substorm? Multi-point Detection of the Christmas Day Substorm Onset at 08:17 UT, 2015. Journal of Geophysical Research: Space Physics, 124. https://doi.org/10.1029/2018JA026357
[52.] Nykyri, K., Chu#, C., Ma, X., Fuselier, S. A., & Rice, R***. (2019). First MMS observation of energetic particles trapped in high-latitude magnetic field depressions. Journal of Geophysical Research: Space Physics, 124. https://doi.org/10.1029/2018JA026131
[51.] Fuselier, S. A., Trattner, K. J., Petrinec, S. M., Denton, M. H., Toledo-Redondo, S., André, M., ... Nykyri, K., et al. (2019). Mass loading the Earth’s dayside magnetopause boundary layer and its effect on magnetic reconnection. Geophysical Research Letters, 46, 6204– 6213. https://doi.org/10.1029/2019GL082384
[50.] Sorathia, K., Merkin, V. G., Ukhorskiy, A. Y., Allen, R. C., Nykyri, K., & Wing, S. (2019). Solar wind ion entry into the magnetosphere during northward IMF. Journal of Geophysical Research: Space Physics, 124, 5461– 5481.https://doi.org/10.1029/2019JA026728
[49.] Sexton E.**, Nykyri, K., Ma, X, (2019). Kp forecasting with a recurrent neural network, J. Space Weather Space Clim. 9 A19 (2019) DOI: 10.1051/swsc/2019020
[48.] Ma, X., Delamere, P. A., Nykyri, K., Burkholder, B., Neupane, B., & Rice, R. C ***. (2019). Comparison between fluid simulation with test particles and hybrid simulation for the Kelvin-Helmholtz instability. Journal of Geophysical Research: Space Physics, 124, 6654– 6668. https://doi.org/10.1029/2019JA026890
[47.] Ma, X., Delamere, P. A., Thomsen, M. F., Otto, A., Neupane, B., Burkholder, B. L., & Nykyri, K. (2019). Flux tube entropy and specific entropy in Saturn’s magnetosphere. Journal of Geophysical Research: Space Physics, 124, 1593– 1611. https://doi.org/10.1029/2018JA026150
2018:
[46.] Masson, A., Nykyri, K. , Kelvin–Helmholtz Instability: Lessons Learned and Ways Forward. Space Sci Rev 214, 71 (2018) doi:10.1007/s11214-018-0505-6
2017:
[45.] Henry. Z *, Nykyri K., Moore T. W. ***, Dimmock A.P., Ma X.#, On the Dawn-Dusk Asymmetry of the Kelvin-Helmholtz Instability Between 2007-2013", J. Geophys. Res., doi:10.1002/2017JA024548, in press, 2017
[44.] Moore T.W***, K. Nykyri, and A.P. Dimmock, Ion-Scale Wave Properties and Enhanced Ion Heating across the Low-Latitude Boundary Layer during Kelvin-Helmholtz Instability, J. Geophys. Res., 122, doi:10.1002/2017JA024591, 2017
[43.] Nykyri, K., X. Ma, A. Dimmock#, C. Foullon, A. Otto, and A. Osmane, Influence of velocity fluctuations on the Kelvin-Helmholtz instability and its associated mass transport, J. Geophys. Res. Space Physics, 122, doi:10.1002/2017JA024374, 2017 (JGR Editor highlight)
[42.] Luo, H., E. A. Kronberg, K. Nykyri, K. J. Trattner, P.W. Daly, G. X. Chen, A. M. Du, and Y. S. Ge, IMF dependence of energetic oxygen and hydrogen ion distributions in the near-Earth magnetosphere, J. Geophys. Res. Space Physics, 122, 5168–5180, 2017
[41.] Dimmock, A. P#., A. Osmane, T. I. Pulkkinen, K. Nykyri, and E. Kilpua, Temperature variations in the dayside magnetosheath and their dependence on ion-scale magnetic structures: THEMIS statistics and measurements by MMS, J. Geophys. Res. Space Physics, 122, 6165–6184, doi:10.1002/2016JA023729, 2017
2016:
[40.] Moore, T. W***, Nykyri, K, Dimmock#, A.P, Cross-scale energy transport in space plasmas, Nature Physics, Volume 12, Issue 12, pp. 1164-1169, 10.1038/nphys3869, 2016 (Nature Physics, Editor highlight followed by commentary article)
[39.] Dimmock, A. P#., Pulkkinen, T. I., Osmane, A., and Nykyri, K.: The dawn–dusk asymmetry of ion density in the dayside magnetosheath and its annual variability measured by THEMIS, Ann. Geophys., 34, 511-528, https://doi.org/10.5194/angeo-34-511-2016, 2016.
[38.] A. P. Dimmock#, K. Nykyri, A. Osmane, H. Karimabadi, T. I. Pulkkinen, Dawn-dusk asymmetries of the Earth’s dayside magnetosheath in the MIPM reference frame, AGU Monograph of Magnetospheric Asymmetries, 2016
[37.] Nykyri, K. and A. Dimmock#, Statistical study of the ULF Pc4-Pc5 range in the vicinity of Earth’s magnetopause and correlation with the Low Latitude Boundary Layer thickness, Advances in space research, Volume 58, Issue 2, p.257-267, 10.1016/j.asr.2015.12.046, 2016
[36.] Dimmock A#., Nykyri K., Osmane A., and Pulkkinen T.I, Statistical mapping of ULF Pc3 velocity fluctuations in the Earth’s dayside magnetosheath as a function of solar wind conditions, Advances in Space Research, Volume 58, Issue 2, p. 196-207, 2016
[35.] Adamson E.#, Nykyri K., Otto A., The Kelvin-Helmholtz Instability Under Parker-Spiral Interplanetary Magnetic Field Conditions at the Magnetospheric Flanks, Advances in Space Research,Volume 58, Issue 2, p. 218-230, doi:10.1016/j.asr.2015.09.013., 2016
2015:
[34.] A Osmane, AP Dimmock#, R Naderpour, TI Pulkkinen, K Nykyri, The impact of solar wind ULF Bz fluctuations on geomagnetic activity for viscous timescales during strongly northward and southward IMF, JGR-Space Physics, 10.1002/2015JA021505, 2015
[33.] Dimmock, A.#; Osmane A.; Pulkkinen A.;Â Nykyri, K., A statistical study of the dawn-dusk asymmetry of ion temperature anisotropy and mirror mode occurrence in the terrestrial dayside magnetosheath using THEMIS data, Journal of Geophysical Research: Space Physics 120 (7), 5489-5503, doi:10.1002/2015JA021192, 2015
 [32.] Pulkkinen, T.; Dimmock, A.; Osmane A.; Nykyri, K., Solar wind energy input to the magnetosheath and at the magnetopause, Geophysical Research Letters 42 (12), 4723-4730, doi:10.1002/2015GL064226, 2015
[31.] Dimmock, A. P.#; Nykyri, K.; H. Karimabadi, A. Osmane, Pulkkinen, T. I., A statistical study into the spatial distribution and asymmetry of dayside magnetosheath ion temperatures as a function of upstream solar wind conditions, Journal of Geophysical Research: Space Physics, J. Geophys. Res. Space Physics, 120, 2767–2782, doi: 10.1002/2014JA020734, 2015
2014:
[30.] Dimmock, A. P.#;Â Nykyri, K.; Pulkkinen, T. I., A statistical study of magnetic field fluctuations in the dayside magnetosheath and their dependence on upstream solar wind conditions, Journal of Geophysical Research: Space Physics, Volume 119, Issue 8, pp. 6231-6248, 2014
[29.] Wing, S.; Johnson, J. R.; Chaston, C. C.; Echim, M.; Escoubet, C. P.; Lavraud, B.; Lemon, C.;Â Nykyri, K.; Otto, A.; Raeder, J.;Wang, C.-P., Review of SolarWind Entry into and TransportWithin the Plasma Sheet, Space Science Reviews, Volume 184, Issue 1-4, pp. 33-86, 2014
[28.] Karimabadi, H.; Roytershteyn, V.; Vu, H. X.; Omelchenko, Y. A.; Scudder, J.; Daughton,W.; Dimmock, A.;Â Nykyri, K.; Wan, M.; Sibeck, D.; Tatineni, M.; Majumdar, A.; Loring, B.; Geveci, B., The link between shocks, turbulence, and magnetic reconnection in collisionless plasmas, Physics of Plasmas, Volume 21, Issue 6, id.062308, 2014
2013:
[27.] Dougal, E. R.**, Nykyri, K., and Moore, T. W.***: Mapping of the quasi-periodic oscillations at the flank magnetopause into the ionosphere, Ann. Geophys., 31, 1993-2011, doi:10.5194/angeo-31-1993-2013, 2013.
[26.] Nykyri, K., and C. Foullon, First magnetic seismology of the CME reconnection outflow layer in the low corona with 2.5-D MHD simulations of the Kelvin-Helmholtz instability, Geophys. Res. Lett., 40, doi:10.1002/grl.50807., 2013
[25.] Nykyri, K., Impact of MHD shock physics on magnetosheath asymmetry and Kelvin-Helmholtz instability, J. Geophys. Res. Space Physics, 118, doi:10.1002/jgra.50499., 2013
[24.] Dimmock, A. P.#, and Nykyri, K. , The statistical mapping of magnetosheath plasma properties based on THEMIS measurements in the magnetosheath interplanetary medium reference frame, J. Geophys. Res. Space Phys., 118, doi:10.1002/jgra.50465., 2013
[23.] Foullon, C; Verwichte, E;Â Nykyri, K. Aschwanden, M. J.; Hannah, I. G. (2013) Kelvin-Helmholtz Instability of the CME Reconnection Outflow Layer in the Low Corona. The Astrophysical Journal, 767 (2), 170., 2013
[22.] Lavraud, B.; Larroque, E.; Budnik, E.; Génot, V.; Borovsky, J. E.; Dunlop, M. W.; Foullon, C.; Hasegawa, H.; Jacquey, C.; Nykyri, K.; Ruffenach, A.; Taylor, M. G. G. T.; et al., H. Asymmetry of magnetosheath flows and magnetopause shape during low Alfvén Mach number solar wind. JGR 118 (3), 1089-1100, 2013
2012:
[21.] Adamson, E., Otto, A., and Nykyri, K., 3-D mesoscale MHD simulations of magnetospheric cusp-like configurations: cusp diamagnetic cavities and boundary structure, Ann. Geophys., 30, 325-341, doi:10.5194/angeo-30-325-2012, 2012
[20.] Turner, N. E., W. Murtagh, K. Guthrie, Nykyri, K., W. A. Radasky, and E. Senkowicz (2012), Florida Energy Assurance Plan, Space Weather, 10, S08015, doi.10.1029/2012SW000834., 2012
[19.] Nykyri, K., Otto, A., Adamson E., Kronberg E., Daly P., On the Origin of High-Energy Particles in the Cusp Diamagnetic Cavity, Special Issue on Cusp Physics, JASTP, 2012, doi:10.1016/j.jastp.2011.08.012, 2012
2011:
[18.] Foullon, C.; Verwichte, E.; Nakariakov, V .M.;Â Nykyri, K.; Farrugia, C.,Magnetic Kelvin-Helmholtz Instability at the Sun ,Astrophysical Journal Letters, APJ, 729 L8 doi:10.1088/2041-8205/729/1/L8, 2011
[17.] K. J. Trattner, S. M. Petrinec, S. A. Fuselier, Nykyri, K., and E. Kronberg, Cluster observations of bow shock energetic ion transport through the magnetosheath into the cusp, JGR, VOL. 116, A09207, 12 PP., 2011, doi:10.1029/2011JA016617, 2011
[16.] Adamson, E.; Otto A., Nykyri, K., 3-D mesoscale MHD simulations of a cusp-like magnetic configuration: method and first results, Ann. Geophys., 29, 759-770, 2011, doi:10.5194/angeo-29-759-2011, 2011
[15.] Nykyri, K.; Otto, A.; Adamson, E.; Tjulin, A., On the origin of fluctuations in the cusp diamagnetic cavity, JGR,VOL. 116, A06208, 13 PP., 2011, doi:10.1029/2010JA015888, 2011
[14.] Nykyri, K.; Otto, A.; Adamson, Dougal, E*; Mumme, J.*: Cluster observations of a cusp diamagnetic cavity: Structure, size, and dynamics, JGR, VOL. 116, A03228, 27 PP., 2011, doi:10.1029/2010JA015897, 2011
2008:Ěý
[13.] Taylor, M, B. Lavraud, C. Escoubet, S. Milan, K. Nykyri, K., Dunlop,M.W., Davies, J.A., Friedel, R.H.W., Frey,H., Bogdanova,Y.V.,Ă…snes,A., et al., The plasma sheet and boundary layers under northward, IMF: a multi-point and multi-instrument perspective, Advances in Space Research, doi:10.1016/j.asr.2007.10.013, 2008
2007:
[12.] Nykyri, K., Plasma – A View from Space, Invited Featured Review in Physics World, Volume 20, Issue 4, 2007
2006:
[11.] Nykyri, K., A. Otto, Lavraud B., Mouikis C., Kistler L., Balogh A., Reme H, “Cluster Observations of Reconnection due to the Kelvin-Helmholtz Instability at the Dawnside Magnetospheric Flank,” Annales Geophysicae (2006) 24: 2619– 2643, 2006
[10.] Nykyri, K., Grison B., Cargill P. J., Lavraud B., Lucek E., Dandouras I., Balogh A., Reme H., Cornilleau-Wehrlin N, “Origin of the Turbulent Spectra in the High-Altitude Cusp: Cluster Spacecraft Observations,” Annales Geophysicae (2006) 24: 1057 – 1075., 2006
2005:
[9.] Cargill P.J, Lavraud B., Owen C.J, Grison B., Dunlop M.W , Cornilleau-Wehrlin N., Escoubet C.P, Paschmann G.,Phan T.D, Rezeau L., Bogdanova Y., and Nykyri, K., Cluster at the magnetospheric cusps, Space science series Book of ISSI, “Outer Magnetospheric Boundaries: Cluster results”, ISSI Space Science Series, Springer, Reprinted from Space Science Reviews, Volume 118, Nos. 1-4, 2005 2005, 2005
[8.] M.W.Dunlop, M.G.G.T.Taylor, J.A.Davies, C.J.Owen, F.Pitout, A.N.Fazakerley, Z.Pu, H.Laakso, Y.V.Bogdanova, Q.-G.Zong, C.Shen, Nykyri, K., B.Lavraud, S.E.Milan, T.D.Phan, H.Rème et al., Coordinated Cluster/Double Star observations of dayside reconnection signatures, Annales Geophysicae VOL 23, 2867, 2005
2004:
[7.] Nykyri, K. and A. Otto, “Influence of the Hall Term on KH Instability and Reconnection inside KH vortices,” Annales Geophysicae (2004) 22: 935 - 949, 2004
[6.] Nykyri, K. Cargill P. J., Lucek E.A., Horbury T. S., Lavraud B., Balogh A., Dunlop M.W., Bogdanova Y., Fazarkerley A., Dandouras I. and Reme H, “Cluster Observations of Magnetic Field Fluctuations in the High-Altitude Cusp,” Annales Geophysicae (2004) 22: 2413 - 2429, 2004
[5.] Cargill P. J., Dunlop M.W, Lavraud B., Elphic R.C., Holland D. L., Nykyri, K., Balogh A.., Dandouras I. and Reme H., CLUSTER encounters with the high altitude cusp: Boundary structure and magnetic field depletions, Annales Geophysicae, VOL.22,1739, 2004
2003:
[4.] Nykyri, K. .,Cargill P. J., Lucek E. A., Horbury T. S., Balogh A., Lavraud B., Dandouras I., Reme H., “Ion Cyclotron Waves in the High-Altitude cusp: CLUSTER Observations at Varying Spacecraft Separations,” Geophysical Research Letters, Volume 30, Issue 24, pp. SSC 12-1, CiteID 2263, DOI 10.1029/2003GL018594, 2003
2002:
[3.] Nykyri, K., Otto A., Buchner J., Nikutowski B., BaumjohannW., Kistler L. M. And Mouikis C, “Equator-S Observations of Boundary Signatures: FTE’s or Kelvin- Helmholtz Waves,” Geophysical Monograph 133, Earth’s Low-Latitude Boundary Layer, 202, 2002
[2.] Otto, A. and Nykyri, K. “Kelvin-Helmholtz Instability and Magnetic Reconnection: Mass Transport at the LLBL”, Geophysical Monograph 133, Earth’ s Low-Latitude Boundary Layer, 53 , 2002.
2001:
[1.] Nykyri, K. and Otto, A. “Plasma Transport at the Magnetospheric Boundary due to Reconnection in Kelvin-Helmholtz vortices,” Geophysical Research Letters, Volume 28, Issue 18, p. 3565-3568, 2001 (GRL Editor highlight).
Other Publications:
[1.] Steven Petrinec and Katariina Nykyri, The Magnetosheath Whitepaper, 2012, http://aten.igpp.ucla.edu/gemwiki/images/d/d7/GEM_Msheath_FG_white_paper_V1.pdf
[2.] Lotko, William, Jeffrey Hughes, Michael W. Liemohn and Katariina Nykyri , White paper for NSF’s GEM program: The Geospace Environment Modeling Program Need, Goals, Accomplishments, Implementation, 2013, http://spc.igpp.ucla.edu/gem/pdf/GEMWhitePaper-2013.07.01.pdf
[3.] Comitteee member and co-author in the Decadal Survey Midterm Assesment report.
National Academies of Sciences, Engineering, and Medicine. 2020. Progress Toward Implementation of the 2013
Decadal Survey for Solar and Space Physics: A Midterm Assessment. Washington, DC: The National Academies
Press. https://doi.org/10.17226/25668. https://www.nap.edu/catalog/25668/progress-toward-implementation-of-the-2013-decadal-survey-for-solar-and-space-physics
[4.] Nykyri, K., Ma, X., Improved Plasma Science Through Multi-Point, Multi-Scale Measurements in the Solar Wind,
A Whitepaper submitted to the Heliophysics 2050 workshop as a preparation for the next decadal survey.
https://www.hou.usra.edu/meetings/helio2050/pdf/4008.pdf
Theses:
[1.] M.Sci Thesis in Theoretical physics, University of Helsinki, Finland 1998: Magnetic field model for planet Mercury (Modification of Tsyganenko magnetic field model for Mercury and fitting of the free parameters in the model with Mariner 10 data)
[2.] Ph.D thesis in Physics, 2002, University of Alaska, Fairbanks, 2002: On the Influence of Kelvin-Helmholtz Instability (KHI) on the Plasma Transport at the Magnetospheric Boundary (I developed 2-D MHD and Hall-MHDÂ simulations of the KHI, quantified the plasma transport produced by Kelvin-Helmholtz waves and compared these with Equator-S and Cluster spacecraft data and ionospheric observations)
Published American Geophysical Union Conference abstracts (including co-authored)Â
- [FM-20-SH003-0018] Unraveling the Multi-Scale Solar Wind Structure Between Lagrange 1-point, Lunar Orbit and Earth’s Bow Shock: Better Space Weather Prediction Through Information Theory
- [FM-20-SM006-0006] Coupling between Alfven and Kelvin-Helmholtz waves at the low latitude boundary layer
- [FM-20-SM041-0016] MMS Observations of Cross Scale Heating within the Kelvin-Helmholtz Instability
- [FM-20-SM010-07] Energetic electron injections observed by the MMS at dusk sector dayside magnetosphere associated with field depressions of compressional ULF waves: identifying the source
- [FM-20-SM017-0003] Identifying Boundary Layer Signatures of the Kelvin-Helmholtz Instability Using Hall-MHD Simulations and Virtual Spacecraft
- [FM-20-SM038-05] - Ion behaviors in the meso-scale 3-D Kelvin–Helmholtz instability
- [FM-20-SM052-0003] - Global MHD Simulations with Test Particles to Understand Particle Trapping and Heating in a Diamagnetic Cavity
- [FM-20-SM056-0001] - Electron energization and the Kelvin-Helmholtz instability
- [FM-19-SM51D-3225] Statistics of the Magnetospheric Multi-Scale Observations of Energetic Particle Properties and their Relation to Diamagnetic Cavities
- [FM-19-SM34A-05] MMS Observations of Multi-Scale Wave Structures with Energetic Electrons at the High-Latitude Dayside Boundary Layer In the Vicinity of the Southern Cusp
- [FM-19-SM33E-3266] Radial transport in Saturn's Magnetosphere: view from the entropy concept
- [FM-19-SM33E-3265]Turbulent plasma heating associated with the Kelvin-Helmholtz instability
- [FM-19--SM32A-07] Coupling between Kinetic Alfven Waves and Kelvin-Helmholtz Waves at the Magnetopause
- [FM-19-SM21C-3178] MMS Observations of Plasma Heating and High Frequency Waves in Kelvin-Helmholtz Vortices
- [FM-19-SM13E-3359] Possible Substorm Triggering by Magnetosheath Jets During Northward and Radial IMF: 14 Spacecraft Observations, MHD Simulations and Ground Based and Auroral Signatures
- [FM18-SM11C-2794] Quantitative Comparison of Transport Rates between Fluid Simulations (with Test Particles) and Hybrid Simulations of the Kelvin-Helmholtz Instability
- [FM-18 SM13B-2835] Resonant mode conversion of Alfven waves in the low-latitude boundary layer structured by Kelvin-Helmholtz instability
- [FM-18 SM32A-09] Magnetospheric Multi-Scale Observations of High-Energy Particles in a Magnetic Bottle at High-Latitude Magnetopause
- [FM-SM13B-2836] Properties of Fluid-scale Kelvin-Helmholtz Waves and High Frequency Waves within KH Vortices as Observed by MMS
- [FM-18-SM52A-02] Transport properties as a function of plasma beta in the giant planet magnetospheres
- [FM-18-SM11D-2817] Statistical Correlation Study Between Magnetosheath and Magnetospheric Plasma Properties Using 9 Years of THEMIS Data
- [FM17-P23D-2787] Effect of Chemistry on Electrodynamics in the Martian Dynamo Region using Multifluid MHD
- [FM17-SM11B-2307] A Global Perspective of Substorm Onset
- [FM17-SM24A-04] Comparison of Kelvin–Helmholtz instability in the two- and three-dimensional configurations
- [FM17-SM44B-02] Cross-scale transport processes in the three-dimensional Kelvin-Helmholtz instability
- [FM17-SM51A-2412] Plasma sheet density dependence on Interplanetary Magnetic Field and Solar Wind properties: statistical study using 9+ year of THEMIS data
- [FM17-SM13D-2412] Statistical Study between Solar Wind, Magnetosheath and Plasma Sheet Fluctuation Properties and Correlation with Magnetotail Bursty Bulk Flows
- [FM17-SM13C-2393] On the Dawn-Dusk Asymmetry of the Kelvi-Helmholtz Instability From 2007-2013
- [FM17-SM11A-2282] A unique constellation of spacecraft constellations to study Kelvin-Helmholtz Instability in 2017-2020: MMS, Cluster and Themis
- [FM17-SM11A-2283] Current structures and high frequency waves inside Kelvin-Helmholtz vortices: MMS observations
- [FM17-SM11A-2284] Ion-Scale Wave Properties and Enhanced Ion Heating across the Magnetopause during Kelvin-Helmholtz Instability
- [FM16-SM44A-03] Cluster and THEMIS observations of the magnetosphere dayside boundaries in preparation for the SMILE mission
- [FM-16-SM23B-2483] On the Magnetospheric Heating Problem
- [FM-16-SH12A-06]Statistical Study of Kinetic Scale Wave Properties inside Fluid-Scale Kelvin-Helmholtz Waves
- [FM15-SM13D-2535] On the impact of fluctuations on the magnetotail reconnection.
- [FM15-SM13C-2524] Identifying Kinetic Plasma Wave Modes Observed in the Acceleration Regions in the Low-Latitude Boundary Layer,
- [FM-15-SM13C-2500] ) On the plausible observational features of the nonlinear interaction between the Kelvin–Helmholtz instability and magnetic reconnection
- [FM-15-SM13C-2528] Yearly variations of magnetosheath ion density dawn-dusk asymmetry and its impact on viscous plasma transport
- [FM14-SM52A-03] The Missing Link Coupling the Foreshock to the Magnetosphere: Impact of the Magnetosheath Velocity Fluctuations on the Growth of the Kelvin-Helmholtz Instability
- [FM14-SM41A-4219] Identification of higher frequency plasma waves inside a Kelvin-Helmholtz Vortex
- [FM14-SM51H-07] Magnetosheath Effects in Solar Wind-Magnetosphere Coupling Processes
- [FM12-SM31B-4193] System Science Tool for the Statistical mapping of the Solar Wind-Magnetosheath-Magnetosphere System
- [FM12-SM13B-2343] Multi-mission conjunction to probe the spatial and temporal aspects of the magnetopause boundary layer formation under northward IMF
- [FM12-SM21A-2236] A statistical study of the relationship between magnetosheath and solar wind plasma properties based on OMNI and THEMIS datasets
- [FM12-SM21B-2267] The Interaction of Kelvin-Helmholtz Modes and Magnetic Reconnection for Southward IMF
- [FM12-SM22A-03] Impact of Magnetosheath Properties on the Physical Processes at the Magnetopause Boundary and Resulting Plasma Sheet Asymmetries (Invited)
- [FM12-SM31A-2273] Identifying Signatures of Plasma Heating Events in Low-Latitude Boundary Layer Associated with Kelvin-Helmholtz Instability and Magnetic Reconnection
- [FM11-SM22B-05] On the Interaction of Kelvin-helmholtz Modes and Magnetic Reconnection for Large Magnetic Shear
- [FM10-SM51B-1783] Statistical Study of Magnetosheath Temperatures
- [FM10-SM11A-1694] Particle acceleration in the diamagnetic cusp
- [FM10-SM51B-1796] 2-D and 3-D Hall MHD Reconnection
- [FM09-SM12A-05] Kelvin-Helmholtz Modes and Plasma Entry into the Earth's Plasma Sheet for Northward IMF
- [FM09-SM31C-03] On The Origin of High-Energy Electrons in Cusp Diamagnetic Cavities
- [FM09-SM33A-1546] Particle Energization in Cusp-Like Diamagnetic Cavities
- [FM09-SM34A-04] Spatial and Temporal aspects of magnetopause boundary layer formation under northward IMF
- [FM09-SM31C-04] 3D MHD Simulations of Reconnection in the Magnetospheric Cusps
- [FM08-SM54A-06] Particle Acceleration in Cusp-like Magnetic Trapping Regions
- [FM08-SM23A-1684] 2-D MHD and Hall-MHD local simulations of the Kelvin-Helmholtz Instability at the Ionopause of Mars
- [FM08-SM51B-1636] Three Dimensional Simulations of Magnetospheric Cusps - Results of MHD Parameter Variations
- [FM08-SM51B-1637] Simultaneous Measurements of the High-Energy Particle Properties at a Cusp Diamagnetic Cavity and Surrounding Magnetosheath: Evidence for Local Acceleration Mechanism?
- [JA08-SM51A-03] Cluster observations of a large cusp diamagnetic cavity and comparison with 3-D high resolution MHD simulations
- [JA08-SM54A-08] Cusp Diamagnetic Cavities and Particle Dynamics
- [JA08-SM53A-05] Big, Bigger and Biggest: A multi-multi-spacecraft case study of waves in and around the magnetopause boundary layer
- [FM07-SM22B-02] Anatomy of Diamagnetic Cusp Cavities - MHD Modeling
- [FM07-SM31B-0457] Anatomy of Diamagnetic Cusp Cavities - Cluster observations
- [FM07-SM31B-0458] Particle Acceleration in Cusp Diamagnetic Cavities
- [FM06-SM11D-02] Analysis of Magnetic Cavities in the Vicinity of a Cusp-like Magnetic Configuration
- [WP06-SM12A-01] Reconnection signatures in the high and low latitude dayside magnetopause observed by Cluster and Double Star
- [WP06-SM22A-06] Cold Dense Plasma Sheet Formation: A Multi-Spacecraft View Point
- [FM05-SM23C-04] High and low latitude reconnection signatures in the dayside magnetopause and cusp observed by Cluster-Double Star: six-point measurements
- [FM05-SM24A-05] Sources of Cold Dense Plasma Sheet:A Multi-Satellite, Multipoint Case Study
- [FM05-SM43D-08] Turbulence in the high-altitude cusp: Cluster FGM and STAFF observations
- [FM05-SM52A-08] Plasma Dynamics in the Vicinity of a Cusp-Like Magnetic Configuration
- [FM04-SM11C-03] Cluster observations of the boundary waves and magnetic reconnection at the dawnside magnetospheric flank
- [FM04-SM13B-1211] Magnetic Reconnection and Kelvin-Helmholtz Modes at the Flanks of the Magnetosphere
- [FM03-SM52B-0595] Ion cyclotron waves in the high altitude cusp: CLUSTER observations at varying spacecraft separations
- [FM01-SM22A-0809] Macro-Scale Effects of Hall Physics in Magnetic Reconnection
- [FM01-SM41B-0811] Magnetic Reconnection in Kelvin-Helmholtz Vortices: Hall Dynamics
- [FM00-SM61B-02] Simulation of Magnetic Reconnection in Kelvin-Helmholtz Vortices and Comparison with Equator-S Observations
- [FM99-SM51A-08] Magnetospheric Plasma Entry Through Reconnection in Kelvin-Helmholtz Vortices During Northward IMF