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Kazue Takahashi

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Magnetospheric Physicist
  • Ph.D., Geophysics and Space Physics
    1983, UCLA
  • M.Sci., Geophysics
    1978, Tohoku University
  • B.Sci., Geophysics
    1976, Tohoku University

Dr. Takahashi has extensive research experience in the field of magnetospheric ULF waves. He has published numerous papers on ULF waves observed by satellites including ATS, ISEE, AMPTE/CCE, CRRES, SCATHA, GOES, Geotail, THEMIS, and  Van Allen Probes.  Results reported in these papers include: multiharmonic toroidal waves; field line mode structure of compressional Pc5 waves and giant pulsations; cavity mode Pi2 waves; solar cycle variation of plasma mass density; and energy and pitch angle dependence of ion flux oscillations induced by standing Alfvén waves. Dr. Takahashi has contributed to the magnetospheric physics community as a convener of meetings and sessions; as a IAGA reporter on ULF waves; by serving on review panels; as a Co-chair of the new NSF GEM Focus Group on ULF waves. He is a member of the project scientists team for the Van Allen Probes and Parker Solar Probe missions.

Notable Awards and Leadership

Year(s) Description
2015 Editor's Citation for Excellence in Refereeing Journal of Geophysical Research -Space Physics, American Geophysical Union
1996 Tanakadate Award, Society of Geomagnetism and Earth, Planetary and Space Sciences, Japan
1990 NASA Group Achievement Award on AMPTE Mission Operation

Scholarly Publications

Van Allen Probes Observations of Symmetric Stormtime Compressional ULF Waves

Journal of Geophysical Research: Space Physics, 2022
Kazue Takahashi, Chris Crabtree, A. Y. Ukhorskiy, Alexander Boyd, Richard E. Denton, Drew Turner, Matina Gkioulidou, Massimo Vellante, Harlan E. Spence, (2022), Van Allen Probes Observations of Symmetric Stormtime Compressional ULF Waves, Journal of Geophysical Research: Space Physics , 127, 2, https://doi.org/10.1029/2021ja030115

Nodal Structure of Toroidal Standing Alfvén Waves and Its Implication for Field Line Mass Density Distribution

Journal of Geophysical Research: Space Physics, 2021
Kazue Takahashi and Richard E. Denton, (2021), Nodal Structure of Toroidal Standing Alfven Waves and Its Implication for Field Line Mass Density Distribution, Journal of Geophysical Research: Space Physics, 126, 5, https://doi.org/10.1029/2020ja028981

Propagation of Ultralow‐Frequency Waves from the Ion Foreshock into the Magnetosphere During the Passage of a Magnetic Cloud

Journal of Geophysical Research: Space Physics, 2021
Kazue Takahashi and Lucile Turc and Emilia Kilpua and Naoko Takahashi and Andrew Dimmock and Primoz Kajdic and Minna Palmroth and Yann Pfau-Kempf and Jan Soucek and Tetsuo Motoba and Michael D. Hartinger and Anton Artemyev and Howard Singer and Urs Ganse and Markus Battarbee, (2021), Propagation of Ultralow-Frequency Waves from the Ion Foreshock into the Magnetosphere During the Passage of a Magnetic Cloud, Journal of Geophysical Research: Space Physics, 126, 2, https://doi.org/10.1029/2020ja028474

Observational Evidence of the Excitation of Magnetosonic Waves by an He ++ Ion Ring Distribution

Journal of Geophysical Research: Space Physics, 2021
S. G. Claudepierre, X. Liu, L. Chen, K. Takahashi, (2021), Observational Evidence of the Excitation of Magnetosonic Waves by an He ++ Ion Ring Distribution, Journal of Geophysical Research: Space Physics , 126, 8, https://doi.org/10.1029/2021ja029532

Observational evidence of the excitation of magnetosonic waves by an He++ ion ring distribution

2021
Seth G. Claudepierre, Xu Liu, Lunjin Chen, Kazue Takahashi, (2021), Observational evidence of the excitation of magnetosonic waves by an He++ ion ring distribution , https://doi.org/10.1002/essoar.10506967.1

Multi-Instrument Characterisation of Magnetospheric Cold Plasma Dynamics in the 22 June 2015 Geomagnetic Storm

2021
Massimo Vellante, Kazue Takahashi, Alfredo Del Corpo, Irina S. Zhelavskaya, Jerry Goldstein, Ian Mann, Ermanno Pietropaolo, Jan Reda, Balazs Heilig, (2021), Multi-Instrument Characterisation of Magnetospheric Cold Plasma Dynamics in the 22 June 2015 Geomagnetic Storm , https://doi.org/10.1002/essoar.10506444.1

Multi‐Instrument Characterization of Magnetospheric Cold Plasma Dynamics in the June 22, 2015 Geomagnetic Storm

Journal of Geophysical Research: Space Physics, 2021
M. Vellante, K. Takahashi, A. Corpo, I. S. Zhelavskaya, J. Goldstein, I. R. Mann, E. Pietropaolo, J. Reda, B. Heilig, (2021), Multi-Instrument Characterization of Magnetospheric Cold Plasma Dynamics in the June 22, 2015 Geomagnetic Storm, Journal of Geophysical Research: Space Physics , 126, 6, https://doi.org/10.1029/2021ja029292

ULF Wave Transmission Across Collisionless Shocks: 2.5D Local Hybrid Simulations

Journal of Geophysical Research: Space Physics, 2021
P. Kajdič, Y. Pfau‐Kempf, L. Turc, A. P. Dimmock, M. Palmroth, K. Takahashi, E. Kilpua, J. Soucek, N. Takahashi, L. Preisser, X. Blanco‐Cano, D. Trotta, D. Burgess, (2021), ULF Wave Transmission Across Collisionless Shocks: 2.5D Local Hybrid Simulations, Journal of Geophysical Research: Space Physics , 126, 11, https://doi.org/10.1029/2021ja029283

Magnetospheric mass density as determined by ULF wave analysis

Frontiers in Astronomy and Space Sciences, 2021
Kazue Takahashi, Richard E. Denton, (2021), Magnetospheric mass density as determined by ULF wave analysis, Frontiers in Astronomy and Space Sciences

Multiharmonic Toroidal Standing Alfvén Waves in the Midnight Sector Observed During a Geomagnetically Quiet Period

Journal of Geophysical Research: Space Physics, 2020
, (2020), Multiharmonic Toroidal Standing Alfvén Waves in the Midnight Sector Observed During a Geomagnetically Quiet Period, Journal of Geophysical Research: Space Physics

Pitch Angle Dependence of Electron and Ion Flux Changes During Local Magnetic Dipolarization Inside Geosynchronous Orbit

Journal of Geophysical Research: Space Physics, 2020
T. Motoba, S. Ohtani, M. Gkioulidou, D. G. Mitchell, A. Y. Ukhorskiy, K. Takahashi, L. J. Lanzerotti, S.G. Claudepierre, H. E. Spence, G. D. Reeves, (2020), Pitch Angle Dependence of Electron and Ion Flux Changes During Local Magnetic Dipolarization Inside Geosynchronous Orbit, Journal of Geophysical Research: Space Physics , 125, 2, https://doi.org/10.1029/2019ja027543

Observation and Numerical Simulation of Propagation of ULF Waves From the Ion Foreshock Into the Magnetosphere

2020
Kazue Takahashi, Turc Turc, Emilia Kilpua, Naoko Takahashi, Andrew Dimmock, Primoz Kajdic, Minna Palmroth, Yann Pfau-Kempf, Jan Soucek, Howard Singer, Tetsuo Motoba, Craig Kletzing, (2020), Observation and Numerical Simulation of Propagation of ULF Waves From the Ion Foreshock Into the Magnetosphere , https://doi.org/10.5194/egusphere-egu2020-5562

Long‐Lasting Ground‐Satellite High Coherence of Compressional Dayside Pc3–Pc4 Pulsations

Journal of Geophysical Research: Space Physics, 2020
Gi‐Jeong Kim, Khan‐Hyuk Kim, Hyuck‐Jin Kwon, Kazuo Shiokawa, Kazue Takahashi, Junga Hwang, (2020), Long-Lasting Ground-Satellite High Coherence of Compressional Dayside Pc3textendashPc4 Pulsations, Journal of Geophysical Research: Space Physics , 125, 8, https://doi.org/10.1029/2020ja028074

Generalized Substorm Current Wedge Model: Two Types of Dipolarizations in the Inner Magnetosphere

Journal of Geophysical Research: Space Physics, 2020
S. Ohtani, T. Motoba, K. Takahashi, S. Califf, (2020), Generalized Substorm Current Wedge Model: Two Types of Dipolarizations in the Inner Magnetosphere, Journal of Geophysical Research: Space Physics , 125, 9, https://doi.org/10.1029/2020ja027890

Normal-mode Magnetoseismology as a Virtual Plasma Mass Density Instrument and Its Use in Investigation of Oxygen Torus during Magnetic Storms

2020
Brian Wilcox, Peter Chi, Kazue Takahashi, Richard Denton, (2020), Normal-mode Magnetoseismology as a Virtual Plasma Mass Density Instrument and Its Use in Investigation of Oxygen Torus during Magnetic Storms , https://doi.org/10.5194/egusphere-egu2020-12323

L Versus Time Structures of Dayside Magnetic Pulsations Detected by the European quasi‐Meridional Magnetometer Array

Journal of Geophysical Research: Space Physics, 2019
, (2019), L Versus Time Structures of Dayside Magnetic Pulsations Detected by the European quasi‐Meridional Magnetometer Array, Journal of Geophysical Research: Space Physics

Low‐Energy (<keV) O + Ion Outflow Directly Into the Inner Magnetosphere: Van Allen Probes Observations

Journal of Geophysical Research: Space Physics, 2019
Matina Gkioulidou, S. Ohtani, A. Y. Ukhorskiy, D. G. Mitchell, K. Takahashi, H. E. Spence, J. R. Wygant, C. A. Kletzing, R. J. Barnes, (2019), Low-Energy ($less$keV) O + Ion Outflow Directly Into the Inner Magnetosphere: Van Allen Probes Observations, Journal of Geophysical Research: Space Physics , 124, 1, 405--419, https://doi.org/10.1029/2018ja025862

Van Allen Probes Observations of Second Harmonic Poloidal Standing Alfvén Waves

Journal of Geophysical Research: Space Physics, 2018
, (2018), Van Allen Probes Observations of Second Harmonic Poloidal Standing Alfvén Waves, Journal of Geophysical Research: Space Physics

Observation and Numerical Simulation of Cavity Mode Oscillations Excited by an Interplanetary Shock

Journal of Geophysical Research: Space Physics, 2018
, (2018), Observation and Numerical Simulation of Cavity Mode Oscillations Excited by an Interplanetary Shock, Journal of Geophysical Research: Space Physics

Roles of Flow Braking, Plasmaspheric Virtual Resonances, and Ionospheric Currents in Producing Ground Pi2 Pulsations

Journal of Geophysical Research: Space Physics, 2018
, (2018), Roles of Flow Braking, Plasmaspheric Virtual Resonances, and Ionospheric Currents in Producing Ground Pi2 Pulsations, Journal of Geophysical Research: Space Physics

Impulsively Excited Nightside Ultralow Frequency Waves Simultaneously Observed on and off the Magnetic Equator

Geophysical Research Letters, 2018
, (2018), Impulsively Excited Nightside Ultralow Frequency Waves Simultaneously Observed on and off the Magnetic Equator, Geophysical Research Letters

Van Allen Probes Observation of a Fundamental Poloidal Standing Alfvén Wave Event Related to Giant Pulsations

Journal of Geophysical Research: Space Physics, 2018
, (2018), Van Allen Probes Observation of a Fundamental Poloidal Standing Alfvén Wave Event Related to Giant Pulsations, Journal of Geophysical Research: Space Physics

Modeling the Dawn/Dusk Asymmetry of Field Line Resonances

Journal of Geophysical Research: Space Physics, 2018
Andrew N. Wright, Tom Elsden, Kazue Takahashi, (2018), Modeling the Dawn/Dusk Asymmetry of Field Line Resonances, Journal of Geophysical Research: Space Physics , 123, 8, 6443--6456, https://doi.org/10.1029/2018ja025638

Spatial Development of the Dipolarization Region in the Inner Magnetosphere

Journal of Geophysical Research: Space Physics, 2018
S. Ohtani, T. Motoba, M. Gkioulidou, K. Takahashi, H. J. Singer, (2018), Spatial Development of the Dipolarization Region in the Inner Magnetosphere, Journal of Geophysical Research: Space Physics , 123, 7, 5452--5463, https://doi.org/10.1029/2018ja025443

Van Allen Probes Observations of Drift-Bounce Resonance and Energy Transfer Between Energetic Ring Current Protons and Poloidal Pc4 Wave

Journal of Geophysical Research: Space Physics, 2018
S. Oimatsu, M. Nosé, K. Takahashi, K. Yamamoto, K. Keika, C. A. Kletzing, C. W. Smith, R. J. MacDowall, D. G. Mitchell, (2018), Van Allen Probes Observations of Drift-Bounce Resonance and Energy Transfer Between Energetic Ring Current Protons and Poloidal Pc4 Wave, Journal of Geophysical Research: Space Physics , 123, 5, 3421--3435, https://doi.org/10.1029/2017ja025087

Poloidal Mode Wave-Particle Interactions Inferred From Van Allen Probes and CARISMA Ground-Based Observations

Journal of Geophysical Research: Space Physics, 2018
C. Wang, R. Rankin, Y. Wang, Q.-G. Zong, X. Zhou, K. Takahashi, R. Marchand, A. W. Degeling, (2018), Poloidal Mode Wave-Particle Interactions Inferred From Van Allen Probes and CARISMA Ground-Based Observations, Journal of Geophysical Research: Space Physics , 123, 6, 4652--4667, https://doi.org/10.1029/2017ja025123

Response of Different Ion Species to Local Magnetic Dipolarization Inside Geosynchronous Orbit

Journal of Geophysical Research: Space Physics, 2018
T. Motoba, S. Ohtani, M. Gkioulidou, A. Y. Ukhorskiy, D. G. Mitchell, K. Takahashi, L. J. Lanzerotti, C. A. Kletzing, H. E. Spence, J. R. Wygant, (2018), Response of Different Ion Species to Local Magnetic Dipolarization Inside Geosynchronous Orbit, Journal of Geophysical Research: Space Physics , 123, 7, 5420--5434, https://doi.org/10.1029/2018ja025557

Giant Pulsations Excited by a Steep Earthward Gradient of Proton Phase Space Density: Arase Observation

Geophysical Research Letters, 2018
Kazuhiro Yamamoto, Masahito Nosé, Satoshi Kasahara, Shoichiro Yokota, Kunihiro Keika, Ayako Matsuoka, Mariko Teramoto, Kazue Takahashi, Satoshi Oimatsu, Reiko Nomura, Massimo Vellante, Balázs Heilig, Akiko Fujimoto, Yoshimasa Tanaka, Manabu Shinohara, Iku Shinohara, Yoshizumi Miyoshi, (2018), Giant Pulsations Excited by a Steep Earthward Gradient of Proton Phase Space Density: Arase Observation, Geophysical Research Letters , 45, 14, 6773--6781, https://doi.org/10.1029/2018gl078293

Nightside Pi2 Wave Properties During an Extended Period With Stable Plasmapause Location and Variable Geomagnetic Activity

Journal of Geophysical Research: Space Physics, 2017
M. D. Hartinger, S. Zou, K. Takahashi, X. Shi, R. Redmon, J. Goldstein, W. Kurth, J. W. Bonnell, (2017), Nightside Pi2 Wave Properties During an Extended Period With Stable Plasmapause Location and Variable Geomagnetic Activity, Journal of Geophysical Research: Space Physics , 122, 12, 12,120--12,139, https://doi.org/10.1002/2017ja024708

Second harmonic poloidal waves observed by Van Allen Probes in the dusk‐midnight sector

Journal of Geophysical Research: Space Physics, 2017
Kyungguk Min, Kazue Takahashi, Aleksandr Y. Ukhorskiy, Jerry W. Manweiler, Harlan E. Spence, J. Singer Howard, Seth G. Claudepierre, Brian A. Larsen, A. Rualdo Soto‐Chavez, Ross J. Cohen, (2017), Second harmonic poloidal waves observed by Van Allen Probes in the dusk-midnight sector, Journal of Geophysical Research: Space Physics , 122, 3, 3013--3039, https://doi.org/10.1002/2016ja023770

Global observations of magnetospheric high‐ m poloidal waves during the 22 June 2015 magnetic storm

Geophysical Research Letters, 2017
G. Le, P. J. Chi, R. J. Strangeway, C. T. Russell, J. A. Slavin, K. Takahashi, H. J. Singer, B. J. Anderson, K. Bromund, D. Fischer, E. L. Kepko, W. Magnes, R. Nakamura, F. Plaschke, R. B. Torbert, (2017), Global observations of magnetospheric high- m poloidal waves during the 22 June 2015 magnetic storm, Geophysical Research Letters , 44, 8, 3456--3464, https://doi.org/10.1002/2017gl073048

Introduction to Wave-Particle Interactions and their Impact on Energetic Particles in Geospace

Waves, Particles, and Storms in Geospace, 2016
, (2016), Introduction to Wave-Particle Interactions and their Impact on Energetic Particles in Geospace, Waves, Particles, and Storms in Geospace

On the origin of the dawn-dusk asymmetry of toroidal Pc5 waves

Journal of Geophysical Research: Space Physics, 2016
, (2016), On the origin of the dawn-dusk asymmetry of toroidal Pc5 waves, Journal of Geophysical Research: Space Physics

Propagation of ULF waves from the upstream region to the midnight sector of the inner magnetosphere

Journal of Geophysical Research: Space Physics, 2016
, (2016), Propagation of ULF waves from the upstream region to the midnight sector of the inner magnetosphere, Journal of Geophysical Research: Space Physics

ULF Waves in the Inner Magnetosphere

Low-Frequency Waves in Space Plasmas, 2016
, (2016), ULF Waves in the Inner Magnetosphere, Low-Frequency Waves in Space Plasmas

Void structure of O+ ions in the inner magnetosphere observed by the Van Allen Probes

Journal of Geophysical Research: Space Physics, 2016
Y. Nakayama, Y. Ebihara, S. Ohtani, M. Gkioulidou, K. Takahashi, L. M. Kistler, T. Tanaka, (2016), Void structure of O+ ions in the inner magnetosphere observed by the Van Allen Probes, Journal of Geophysical Research: Space Physics , 121, 12, 11,698--11,713, https://doi.org/10.1002/2016ja023013

Multifrequency compressional magnetic field oscillations and their relation to multiharmonic toroidal mode standing Alfvén waves

Journal of Geophysical Research: Space Physics, 2015
, (2015), Multifrequency compressional magnetic field oscillations and their relation to multiharmonic toroidal mode standing Alfvén waves, Journal of Geophysical Research: Space Physics

A statistical study of fundamental toroidal mode standing Alfvén waves using THEMIS ion bulk velocity data

Journal of Geophysical Research: Space Physics, 2015
, (2015), A statistical study of fundamental toroidal mode standing Alfvén waves using THEMIS ion bulk velocity data, Journal of Geophysical Research: Space Physics

Externally driven plasmaspheric ULF waves observed by the Van Allen Probes

Journal of Geophysical Research: Space Physics, 2015
, (2015), Externally driven plasmaspheric ULF waves observed by the Van Allen Probes, Journal of Geophysical Research: Space Physics

Van Allen Probe observations of drift-bounce resonances with Pc 4 pulsations and wave–particle interactions in the pre-midnight inner magnetosphere

Annales Geophysicae, 2015
G. I. Korotova, D. G. Sibeck, K. Tahakashi, L. Dai, H. E. Spence, C. A. Kletzing, J. R. Wygant, J. W. Manweiler, P. S. Moya, K.-J. Hwang, R. J. Redmon, (2015), Van Allen Probe observations of drift-bounce resonances with Pc 4 pulsations and wavetextendashparticle interactions in the pre-midnight inner magnetosphere, Annales Geophysicae , 33, 8, 955--964, https://doi.org/10.5194/angeo-33-955-2015

Solar cycle variation of plasma mass density in the outer magnetosphere: Magnetoseismic analysis of toroidal standing Alfvén waves detected by Geotail

Journal of Geophysical Research: Space Physics, 2014
, (2014), Solar cycle variation of plasma mass density in the outer magnetosphere: Magnetoseismic analysis of toroidal standing Alfvén waves detected by Geotail, Journal of Geophysical Research: Space Physics

Multispacecraft observations of fundamental poloidal waves without ground magnetic signatures

Journal of Geophysical Research: Space Physics, 2013
, (2013), Multispacecraft observations of fundamental poloidal waves without ground magnetic signatures, Journal of Geophysical Research: Space Physics