Katariina Nykyri

Search results

• 2025

  A new single flux rope experiment for studying the dynamics of a magnetized plasma jet

  Seo, B., Avila, M., Clevenger, T., Castleberry, C., Lamb, C., Ma, X., Nykyri, K., Barjatya, A. & Kim, D. W., May 1 2025, In: Review of Scientific Instruments. 96, 5, 053505.

  Research output: Contribution to journal › Article › peer-review

• Generation of FTE Signatures by the Kelvin–Helmholtz Instability

  Liou, Y. L., Nykyri, K., Ma, X. & Kavosi, S., Apr 2025, In: Journal of Geophysical Research: Space Physics. 130, 4, e2024JA033541.

  Research output: Contribution to journal › Article › peer-review

• Mach Number Scaling of Foreshock Magnetic Fluctuations at Quasi-parallel Bow Shocks and Their Role in Magnetospheric Driving Throughout the Solar System

  Burkholder, B. L., Chen, L. J., Nykyri, K., Romanelli, N., Sarantos, M., Sibeck, D., Verniero, J., DiBraccio, G. A., Gershman, D., Lindberg, M. & Kincade, E., Feb 10 2025, In: Astrophysical Journal. 980, 1, 7.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Statistical Study of the Solar Wind Current Sheet Properties: Defining Instrument Requirements for the Seven Sisters Mission Concept

  Liou, Y. L., Nykyri, K., Ma, X. & Cuéllar, R., Jan 2025, In: Journal of Geophysical Research: Space Physics. 130, 1, e2024JA032610.

  Research output: Contribution to journal › Article › peer-review
• 2024

  Could a Low-Frequency Perturbation in the Earth's Magnetotail Be Generated by the Lunar Wake?

  Nykyri, K., Di Matteo, S., Archer, M. O., Ma, X., Hartinger, M. D., Sarantos, M., Zesta, E. & Paterson, W. R., Nov 28 2024, In: Geophysical Research Letters. 51, 22, e2024GL110129.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Crucial future observations and directions for unveiling magnetopause dynamics and their geospace impacts

  Archer, M. O., Shi, X., Walach, M. T., Hartinger, M. D., Gillies, D. M., Di Matteo, S., Staples, F. & Nykyri, K., 2024, In: Frontiers in Astronomy and Space Sciences. 11, 1430099.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Density and Magnetic Field Asymmetric Kelvin-Helmholtz Instability

  Ma, X., Delamere, P., Nykyri, K., Otto, A., Eriksson, S., Chai, L., Burkholder, B., Dimmock, A., Liou, Y. L. & Kavosi, S., Mar 2024, In: Journal of Geophysical Research: Space Physics. 129, 3, e2023JA032234.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Earth's geomagnetic environment—progress and gaps in understanding, prediction, and impacts

  Opgenoorth, H. J., Robinson, R., Ngwira, C. M., Garcia Sage, K., Kuznetsova, M., El Alaoui, M., Boteler, D., Gannon, J., Weygand, J., Merkin, V., Nykyri, K., Kosar, B., Welling, D., Eastwood, J., Eggington, J., Heyns, M., Kaggwa Kwagala, N., Sur, D. & Gjerloev, J., 2024, (Accepted/In press) In: Advances in Space Research.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Evidence of Plasma Mixing at the Earth's Magnetopause Due To Kelvin Helmholtz Vortices

  Radhakrishnan, D. K. V., Fuselier, S. A., Petrinec, S. M., Rice, R. C., Nykyri, K., Trattner, K. J., Gershman, D. J. & Burch, J. L., Sep 2024, In: Journal of Geophysical Research: Space Physics. 129, 9, e2024JA032869.

  Research output: Contribution to journal › Article › peer-review

• Giant Kelvin-Helmholtz (KH) Waves at the Boundary Layer of the Coronal Mass Ejections (CMEs) Responsible for the Largest Geomagnetic Storm in 20 Years

  Nykyri, K., Oct 28 2024, In: Geophysical Research Letters. 51, 20, e2024GL110477.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Identification of Kelvin-Helmholtz generated vortices in magnetised fluids

  Kelly, H. M., Archer, M. O., Ma, X., Nykyri, K., Eastwood, J. P. & Southwood, D. J., 2024, In: Frontiers in Astronomy and Space Sciences. 11, 1431238.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• MHD Inertial and Energy-containing Range Turbulence Anisotropy in the Young Solar Wind

  Adhikari, L., Zank, G. P., Zhao, L., Wang, B., Tang, B., Telloni, D., Pitna, A. & Nykyri, K., Apr 1 2024, In: Astrophysical Journal. 965, 1, 94.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Predicting Interplanetary Shock Occurrence for Solar Cycle 25: Opportunities and Challenges in Space Weather Research

  Oliveira, D. M., Allen, R. C., Alves, L. R., Blake, S. P., Carter, B. A., Chakrabarty, D., D’Angelo, G., Delano, K., Echer, E., Ferradas, C. P., Finley, M. G., Gallardo-Lacourt, B., Gershman, D., Gjerloev, J. W., Habarulema, J. B., Hartinger, M. D., Hajra, R., Hayakawa, H., Juusola, L. & Laundal, K. M. & 28 others, Leamon, R. J., Madelaire, M., Martínez-Ledesma, M., McIntosh, S. M., Miyoshi, Y., Moldwin, M. B., Nahayo, E., Nandy, D., Nilam, B., Nykyri, K., Paterson, W. R., Piersanti, M., Pietropaolo, E., Rodger, C. J., Shah, T., Smith, A. W., Srivastava, N., Tsurutani, B. T., Ram, S. T., Upton, L. A., Veenadhari, B., Vidal-Luengo, S., Viljanen, A., Vines, S. K., Yadav, V. K., Yee, J. H., Weygand, J. W. & Zesta, E., Aug 2024, In: Space Weather. 22, 8, e2024SW003964.

  Research output: Contribution to journal › Article › peer-review

• Turbulence, and Proton and Electron Heating Rates in the Solar Corona: Analytical Approach

  Adhikari, L., Zank, G. P., Telloni, D., Zhao, L., Wang, B., Webb, G., Tang, B. & Nykyri, K., May 1 2024, In: Astrophysical Journal. 966, 1, 52.

  Research output: Contribution to journal › Article › peer-review

  Open Access
• 2023

  Kelvin-Helmholtz instability-driven magnetopause dynamics as turbulent pathway for the solar wind-magnetosphere coupling and the flank-central plasma sheet communication

  Hwang, K. J., Wang, C. P., Nykyri, K., Hasegawa, H., Tapley, M. B., Burch, J. L., Fuselier, S. A., Goldstein, J., Dokgo, K., Nakamura, T., Sitnov, M., Ma, X., Lin, Y. & Wang, X., 2023, In: Frontiers in Astronomy and Space Sciences. 10, 1151869.

  Research output: Contribution to journal › Article › peer-review

• Magnetosonic ULF Waves With Anomalous Plasma–Magnetic Field Correlations: Standing Waves and Inhomogeneous Plasmas

  Archer, M. O., Southwood, D. J., Hartinger, M. D., Rastätter, L. & Nykyri, K., Aug 28 2023, In: Geophysical Research Letters. 50, 16, e2023GL104762.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Seasonal and diurnal variations of Kelvin-Helmholtz Instability at terrestrial magnetopause

  Kavosi, S., Raeder, J., Johnson, J. R., Nykyri, K. & Farrugia, C. J., Dec 2023, In: Nature Communications. 14, 1, 2513.

  Research output: Contribution to journal › Article › peer-review

• Seven Sisters: a mission to study fundamental plasma physical processes in the solar wind and a pathfinder to advance space weather prediction

  Nykyri, K., Ma, X., Burkholder, B., Liou, Y. L., Cuéllar, R., Kavosi, S., Borovsky, J. E., Parker, J., Rosen, M., De Moudt, L., Ebert, R. W., Ogasawara, K., Opher, M., Sibeck, D. G., Di Matteo, S., Viall, N., Wallace, S., Jorgensen, T. M., Hesse, M. & West, M. J. & 8 others, Adhikari, L., Argall, M. R., Egedal, J., Wilder, F., Broll, J., Poh, G., Wing, S. & Russell, C., 2023, In: Frontiers in Astronomy and Space Sciences. 10, 1179344.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Statistical Study of the Energetic Electron Microinjections at the High-Latitude Magnetosphere

  Liou, Y. L., Nykyri, K., Kavosi, S. & Ma, X., Oct 2023, In: Journal of Geophysical Research: Space Physics. 128, 10, e2023JA031595.

  Research output: Contribution to journal › Article › peer-review

• Theory and Transport of Nearly Incompressible Magnetohydrodynamic Turbulence: High Plasma Beta Regime

  Adhikari, L., Zank, G. P., Wang, B., Zhao, L., Telloni, D., Pitna, A., Opher, M., Shrestha, B., McComas, D. J. & Nykyri, K., Aug 1 2023, In: Astrophysical Journal. 953, 1, 44.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Wave analysis during energetic electron microinjections: A case study

  Nykyri, K., Liou, Y., Ma, X., Kavosi, S., Egedal, J., Fuselier, S. A. & Gomez, R. G., Jul 1 2023, In: Physics of Plasmas. 30, 7, 072903.

  Research output: Contribution to journal › Article › peer-review
• 2022

  A regional classification of time spectral amplitudes in total electron content: Southeastern United States during solar cycle 24

  Burkholder, B. L., Cuellar, R., Nykyri, K., Ma, X. & Debchoudhury, S., Nov 24 2022, In: Frontiers in Astronomy and Space Sciences. 9, 1040082.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Asymmetric 3-D Kelvin–Helmholtz instability

  Ma, X., Nykyri, K., Liou, Y.-L., Burkholder, B., Rice, R. & Kavosi, S., May 11 2022, In: Default journal.

  Research output: Contribution to journal › Article › peer-review

• Characteristics of Kelvin-Helmholtz Waves as Observed by the MMS from September 2015 to June 2017

  Nykyri, K., Ma, X. & Rice, R. C., Nov 21 2022, In: JGR Space Physics.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Characteristics of Kelvin–Helmholtz Waves as Observed by the MMS From September 2015 to March 2020

  Rice, R. C., Nykyri, K., Ma, X. & Burkholder, B. L., Mar 2022, In: Journal of Geophysical Research: Space Physics. 127, 3, e2021JA029685.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Coupling Between Alfvén Wave and Kelvin–Helmholtz Waves in the Low Latitude Boundary Layer

  Kim, E. H., Johnson, J. R. & Nykyri, K., Jan 14 2022, In: Frontiers in Astronomy and Space Sciences. 8, 785413.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• First Observations and Simulations of Multiple Diamagnetic Cavities at Dayside Magnetosphere and their connection to Energetic Electron Microinjections

  Kavosi, S., Nykyri, K., Fennell, J. F., Ma, X. & Liou, Y.-L., May 10 2022, In: Default journal.

  Research output: Contribution to journal › Article › peer-review

• MMS Observations of Kelvin-Helmholtz Instability and Associated Ion Scale Waves

  Rice, R., Nykyri, H., Ma, X. & Nykyri, K., May 10 2022, In: Default journal.

  Research output: Contribution to journal › Article › peer-review

• On the Origin of Energetic Electron Microinjections at High-Latitude Magnetosphere: A Case study using information theory and MMS data

  Nykyri, K., Ma, X., Wing, S., Liou, Y.-L., Kavosi, S., Fuselier, S. A. & Gomez, R., May 10 2022, In: Default journal.

  Research output: Contribution to journal › Article › peer-review

• Statistical Study of the Energetic Electron Microinjections at the High-latitude Magnetosphere

  Liou, Y.-L., Nykyri, K., Kavosi, S. & Ma, X., May 10 2022, In: Default journal.

  Research output: Contribution to journal › Article › peer-review

• The Source of Auroral Omegas

  Nykyri, H. K., Weygand, J. M., El-Alaoui, M. & Nykyri, K., Jan 8 2022, In: Journal of Geophysical Research: Space Physics. 127

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• 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

  Holland, K., Nykyri, K., Ma, X. & Wing, S., May 11 2022, In: Default journal.

  Research output: Contribution to journal › Article › peer-review

• 2021

  Ion Dynamics in the Meso-scale 3-D Kelvin–Helmholtz Instability: Perspectives From Test Particle Simulations

  Ma, X., Delamere, P., Nykyri, K., Burkholder, B., Eriksson, S. & Liou, Y. L., Nov 17 2021, In: Frontiers in Astronomy and Space Sciences. 8, 758442.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Kelvin-Helmholtz Instability Associated With Reconnection and Ultra Low Frequency Waves at the Ground: A Case Study

  Kronberg, E. A., Gorman, J., Nykyri, K., Smirnov, A. G., Gjerloev, J. W., Grigorenko, E. E., Kozak, L. V., Ma, X., Trattner, K. J. & Friel, M., Dec 2 2021, In: Frontiers in Physics. 9, 738988.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Kelvin–Helmholtz-Related Turbulent Heating at Saturn's Magnetopause Boundary

  Delamere, P. A., Ng, C. S., Damiano, P. A., Neupane, B. R., Johnson, J. R., Burkholder, B., Ma, X. & Nykyri, K., Feb 2021, In: Journal of Geophysical Research: Space Physics. 126, 2, e2020JA028479.

  Research output: Contribution to journal › Article › peer-review

• Magnetospheric Multiscale Observations of the Source Region of Energetic Electron Microinjections Along the Duskside, High-Latitude Magnetopause Boundary Layer

  Nykyri, K., Johnson, J., Kronberg, E., Turner, D., Wing, S., Cohen, I., Sorathia, K., Ma, X., Burkholder, B., Reeves, G. & Fennell, J., May 16 2021, In: Geophysical Research Letters. 48, 9, e2021GL092466.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Magnetospheric Multiscale Statistics of High Energy Electrons Trapped in Diamagnetic Cavities

  Burkholder, B. L., Nykyri, K. & Ma, X., Jan 2021, In: Journal of Geophysical Research: Space Physics. 126, 1, e2020JA028341.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• MMS Observations of the Multiscale Wave Structures and Parallel Electron Heating in the Vicinity of the Southern Exterior Cusp

  Nykyri, K., Ma, X., Burkholder, B., Rice, R., Johnson, J. R., Kim, E. K., Delamere, P., Michael, A., Sorathia, K., Lin, D., Merkin, S., Fuselier, S., Broll, J., Le Contel, O., Gershman, D., Cohen, I., Giles, B., Strangeway, R. J., Russell, C. T. & Burch, J. L., Mar 2021, In: Journal of Geophysical Research: Space Physics. 126, 3, e2019JA027698.

  Research output: Contribution to journal › Article › peer-review

• Modeling Kelvin-Helmholtz Instability at the High-Latitude Boundary Layer in a Global Magnetosphere Simulation

  Michael, A. T., Sorathia, K. A., Merkin, V. G., Nykyri, K., Burkholder, B., Ma, X., Ukhorskiy, A. Y. & Garretson, J., Oct 16 2021, In: Geophysical Research Letters. 48, 19, e2021GL094002.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• On the Growth and Development of Non-Linear Kelvin–Helmholtz Instability at Mars: MAVEN Observations

  Poh, G., Espley, J. R., Nykyri, K., Fowler, C. M., Ma, X., Xu, S., Hanley, G., Romanelli, N., Bowers, C., Gruesbeck, J. & DiBraccio, G. A., Sep 2021, In: Journal of Geophysical Research: Space Physics. 126, 9, e2021JA029224.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• The Structure of the Cusp Diamagnetic Cavity and Test Particle Energization in the GAMERA Global MHD Simulation

  Burkholder, B. L., Nykyri, K., Ma, X., Sorathia, K., Michael, A., Otto, A. & Merkin, V., Dec 2021, In: Journal of Geophysical Research: Space Physics. 126, 12, e2021JA029738.

  Research output: Contribution to journal › Article › peer-review
• 2020

  Magnetospheric Multiscale Observation of an Electron Diffusion Region at High Latitudes

  Burkholder, B. L., Nykyri, K., Ma, X., Rice, R., Fuselier, S. A., Trattner, K. J., Pritchard, K. R., Burch, J. L. & Petrinec, S. M., Aug 16 2020, In: Geophysical Research Letters. 47, 15, e2020GL087268.

  Research output: Contribution to journal › Article › peer-review

• Statistical Study of Solar Wind, Magnetosheath, and Magnetotail Plasma and Field Properties: 12+ Years of THEMIS Observations and MHD Simulations

  Ma, X., Nykyri, K., Dimmock, A. & Chu, C., Oct 1 2020, In: Journal of Geophysical Research: Space Physics. 125, 10, e2020JA028209.

  Research output: Contribution to journal › Article › peer-review

• Use of the L1 Constellation as a Multispacecraft Solar Wind Monitor

  Burkholder, B. L., Nykyri, K. & Ma, X., Jul 1 2020, In: Journal of Geophysical Research: Space Physics. 125, 7, e2020JA027978.

  Research output: Contribution to journal › Article › peer-review
• 2019

  Can Enhanced Flux Loading by High-Speed Jets Lead to a Substorm? Multipoint Detection of the Christmas Day Substorm Onset at 08:17 UT, 2015

  Nykyri, K., Bengtson, M., Angelopoulos, V., Nishimura, Y. & Wing, S., Jun 2019, In: Journal of Geophysical Research: Space Physics. 124, 6, p. 4314-4340 27 p.

  Research output: Contribution to journal › Article › peer-review

• Comparison Between Fluid Simulation with Test Particles and 1 Hybrid Simulation for the Kelvin-Helmholtz Instability

  Ma, X., Nykyri, K., Burkholder, B. L., Rice, R. C., Delamere, P. A. & Neupane, B., Aug 13 2019, In: Journal of Geophysical Research: Space Physics.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• First MMS Observation of Energetic Particles Trapped in High-Latitude Magnetic Field Depressions

  Nykyri, K., Chu, C., Ma, X., Fuselier, S. A. & Rice, R., Jan 1 2019, In: Journal of Geophysical Research: Space Physics. 124

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Flux Tube Entropy and Specific Entropy in Saturn's Magnetosphere

  Ma, X., Delamere, P. A., Thomsen, M. F., Otto, A., Neupane, B., Burkholder, B. L. & Nykyri, K., Mar 11 2019, In: Journal of Geophysical Research: Space Physics. 124

  Research output: Contribution to journal › Article › peer-review

• Mass Loading the Earth's Dayside Magnetopause Boundary Layer and Its Effect on Magnetic Reconnection

  Fuselier, S. A., Trattner, K. J., Petrinec, S. M., Denton, M. H., Toledo-Redondo, S., André, M., Aunai, N., Chappell, C. R., Glocer, A., Haaland, S. E., Hesse, M., Kistler, L. M., Lavraud, B., Li, W., Moore, T. E., Graham, D., Alm, L., Tenfjord, P., Dargent, J. & Vines, S. K. & 3 others, Nykyri, K., Burch, J. L. & Strangeway, R. J., Jun 28 2019, In: Geophysical Research Letters. 46, 12, p. 6204-6213 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Solar Wind Ion Entry Into the Magnetosphere During Northward IMF

  Sorathia, K. A., Merkin, V. G., Ukhorskiy, A. Y., Allen, R. C., Nykyri, K. & Wing, S., 2019, In: Journal of Geophysical Research: Space Physics. 124, 7, p. 5461-5481 21 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access