学位

• 理学博士(京都大学)
• ()

経歴

学歴

受賞

• 田中館賞
• 大林奨励賞
• アメリカ地球物理学連合 優秀学生論文賞

その他

論文

• Post-midnight purple arc and patches appeared on the high latitude part of the auroral oval: Dawnside counterpart of STEVE? [DOI] [Scopus] [Scopus]
• Variation of the Altitude of Auroral Emission During a Substorm Cycle: Stereoscopic Optical Observations During the LAMP Rocket Experiment [DOI] [Othres link]
• Observational Evidence for Three Time‐Scale Modulations in the Pulsating Aurora [DOI] [Othres link]
• On the Factors Controlling the Relationship Between Type of Pulsating Aurora and Energy of Pulsating Auroral Electrons: Simultaneous Observations by Arase Satellite, Ground‐Based All‐Sky Imagers and EISCAT Radar [DOI] [Othres link]
• Exceptionally gigantic aurora in the polar cap on a day when the solar wind almost disappeared [DOI] [Othres link]
• Field‐Aligned Currents Associated With Pulsating Auroral Patches: Observation With Magneto‐Impedance Magnetometer (MIM) Onboard Loss Through Auroral Microburst Pulsations (LAMP) Sounding Rocket [DOI] [Othres link] [Othres link]
• New observational projects in New Zealand for studying radiation belt loss processes in the deep inner magnetosphere: instrumentation, operation by solar power and initial results [DOI] [Othres link] [Othres link]
• Thermospheric Wind Response to March 2023 Storm: Largest Wind Ever Observed With a Fabry-Perot Interferometer in Tromsø, Norway Since 2009 [DOI] [Scopus] [Scopus]
• Multi-Instrument Observations of the Evolution of Polar Cap Patches Associated With Flow Shears and Particle Precipitation [DOI] [Scopus] [Scopus]
• Anomalous Long-Distance Propagation of ILS LOC Signals by the Es Layer and Its Impact on Aviation Receivers [DOI] [Scopus] [Scopus]
• Simultaneous observations of equatorial plasma bubbles with an all-sky airglow imager and a HF Doppler sounding system in Taiwan [DOI] [Othres link] [Othres link]
• Periodic oscillations of Doppler frequency excited by the traveling ionospheric disturbances associated with the Tonga eruption in 2022 [DOI] [Othres link] [Othres link]
• Monitoring of equatorial plasma bubbles using aeronautical navigation system: a feasibility study [DOI] [Othres link] [Othres link]
• Correspondence of Pi2 pulsations, aurora luminosity, and plasma flux fluctuation near a substorm brightening aurora: Arase observations [DOI] [Othres link]
• GEOspace X-ray imager (GEO-X) [DOI]
• Three-dimensional ionospheric conductivity associated with pulsating auroral patches: Reconstruction from ground-based optical observations [DOI]
• An Implication of Detecting the Internal Modulation in a Pulsating Aurora: A Conjugate Observation by the Arase Satellite and All‐Sky Imagers [DOI] [Othres link]
• A Ground‐Based Instrument Suite for Integrated High‐Time Resolution Measurements of Pulsating Aurora With Arase [DOI] [Othres link]
• IMF Dependence of Midnight Bifurcation in the Thermospheric Wind at an Auroral Latitude Based on Nine Winter Measurements in Tromsø, Norway [DOI] [Othres link]
• Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry–Perot interferometer in Tromsø, Norway [DOI] [Othres link] [Othres link]
• Simultaneous Precipitation of Sub-Relativistic Electron Microburst and Pulsating Aurora Electrons [DOI]
• Atmospheric and ionospheric waves induced by the Hunga eruption on 15 January 2022; Doppler sounding and infrasound [DOI] [Othres link]
• Observation of Source Plasma and Field Variations of a Substorm Brightening Aurora at L ∼ 6 by a Ground-Based Camera and the Arase Satellite on 12 October 2017 [DOI] [Scopus] [Scopus]
• Proton aurora and relativistic electron microbursts scattered by electromagnetic ion cyclotron waves
• Reconstruction of precipitating electrons and three-dimensional structure of a pulsating auroral patch from monochromatic auroral images obtained from multiple observation points [DOI] [Othres link]
• Instantaneous Achievement of the Hall and Pedersen–Cowling Current Circuits in Northern and Southern Hemispheres During the Geomagnetic Sudden Commencement on 12 May 2021
• An automated auroral detection system using deep learning: real-time operation in Tromsø, Norway
• Slow Contraction of Flash Aurora Induced by an Isolated Chorus Element Ranging From Lower-Band to Upper-Band Frequencies in the Source Region [DOI] [Web of Scientce]
• On the importance of using event-specific chorus wave dynamics in simulating diffuse electron precipitation
• Propagation characteristics of sporadic E and medium-scale traveling ionospheric disturbances (MSTIDs): statistics using HF Doppler and GPS-TEC data in Japan [DOI] [Web of Scientce]
• Energetic electron precipitations by chorus waves and its impact on the middleatmosphere [DOI]
• GEO-X (GEOspace X-ray imager) [DOI] [Web of Scientce]
• Statistical Study of Electron Density Enhancements in the Ionospheric F Region Associated With Pulsating Auroras [DOI] [Scopus] [Scopus]
• Simultaneous Pulsating Aurora and Microburst Observations With Ground-Based Fast Auroral Imagers and CubeSat FIREBIRD-II [DOI] [Web of Scientce]
• Dayside Cusp Aurorae and Ionospheric Convection Under Radial Interplanetary Magnetic Fields [DOI]
• Editorial: Special Issue: "SuperDARN / Studies of Geospace Dynamics - Today and Future" [DOI]
• Horizontal movement of polar mesospheric clouds observed from the Himawari-8 geostationary meteorological satellite
• Study of structures of the sporadic E layer by using dense GNSS network observations [DOI] [Othres link] [Othres link]
• Periodicities and colors of pulsating auroras: DSLR camera observations from the International Space Station
• Software-defined radio-based HF doppler receiving system [DOI] [Othres link] [Othres link]
• Auroral heating of plasma patches due to high-latitude reconnection
• Penetration of the electric fields of the geomagnetic sudden commencement over the globe as observed with the HF Doppler sounders and magnetometers [DOI]
• Magnetic conjugacy of Pc1 waves and isolated proton precipitation at subauroral latitudes: Importance of ionosphere as intensity modulation region [DOI] [Web of Scientce]
• Visualizing sporadic E using aeronautical navigation signals at VHF frequencies
• Plasma sheet thinning due to loss of near-Earth magnetotail plasma [DOI]
• Energy-resolved detection of precipitating electrons of 30–100 keV by a sounding rocket associated with dayside chorus waves [DOI] [Scopus] [Scopus]
• Over-darkening of pulsating aurora [DOI] [Scopus] [Scopus]
• What controls the luminosity of polar cap airglow patches?: Implication from airglow measurements in Eureka, Canada in comparison with SuperDARN convection pattern
• Spatial Evolution of Wave-Particle Interaction Region Deduced From Flash-Type Auroras and Chorus-Ray Tracing [DOI] [Web of Scientce]
• Rocket Observation of Sub-Relativistic Electrons in the Quiet Dayside Auroral Ionosphere [DOI] [Othres link] [Othres link]
• Penetration of MeV electrons into the mesosphere accompanying pulsating aurorae [CiNii Research (CiNii Articles)] [DOI] [Othres link]
• PSTEP: project for solar–terrestrial environment prediction [DOI] [Web of Scientce]
• Variations in Cosmic Noise Absorption in Association With Equatorward Development of the Pulsating Auroral Patch: A Case Study to Estimate the Energy Spectra of Auroral Precipitating Electrons [DOI] [Web of Scientce]
• Occurrence distribution of polar cap patches: dependences on UT, season and hemisphere [DOI] [Scopus] [Scopus]
• The Quasipersistent Feature of Highly Structured Field‐Aligned Currents in the Duskside Auroral Oval: Conjugate Observation Via Swarm Satellites and a Ground All‐Sky Imager [DOI] [Othres link] [Othres link]
• Asymmetric Development of Auroral Surges in the Northern and Southern Hemispheres [Othres link]
• Development of low-cost multi-wavelength imager system for studies of aurora and airglow [DOI] [Scopus] [Scopus]
• Multiple time-scale beats in aurora: precise orchestration via magnetospheric chorus waves [DOI] [PubMed] [Scopus] [Scopus]
• Observations of equatorial plasma bubbles using a low-cost 630.0-nm all-sky imager in Ishigaki Island, Japan [DOI] [Scopus] [Scopus]
• Penetration electric fields observed at middle and low latitudes during the 22 June 2015 geomagnetic storm [DOI] [Othres link] [Othres link]
• A monitoring network for anomalous propagation of aeronautical VHF radio waves due to sporadic E in Japan
• Estimation of the emission altitude of pulsating aurora using the five-wavelength photometer [DOI] [Othres link] [Othres link]
• Loss of the Rarefaction Wave during Plasma Sheet Thinning
• Arase observation of the source region of auroral arcs and diffuse auroras in the inner magnetosphere [DOI] [Othres link] [Othres link] [Othres link]
• Anomalous propagation of radio waves from distant ILS localizers due to ionospheric sporadic‐E
• Plasma waves causing relativistic electron precipitation events at International Space Station: Lessons from conjunction observations with Arase satellite [DOI] [Web of Scientce]
• Relativistic Electron Microbursts as High Energy Tail of Pulsating Aurora Electrons [DOI] [Othres link] [Othres link]
• OI 630.0‐nm and N2 1PG emissions in pulsating aurora events observed by an optical spectrograph at Tromsø, Norway [DOI] [Othres link] [Othres link]
• Aurora in the Polar Cap: A Review
• Fine-scale visualization of aurora in a wide area using color digital camera images from the International Space Station [DOI] [Othres link] [Othres link]
• Multi-instrument Observations of Ion-Neutral Coupling in the Dayside Cusp
• Plasma Flow in the North‐South Aligned Discrete Aurora Equatorward of the Cusp [DOI] [Othres link] [Othres link]
• Imaging of polar cap patches with a low-cost airglow camera: Pilot observations in Svalbard, Norway
• Ground Echoes Observed by the Meteor Radar and High-Speed Auroral Observations in the Substorm Growth Phase [DOI] [Othres link]
• Direct Comparison Between Magnetospheric Plasma Waves and Polar Mesosphere Winter Echoes in Both Hemispheres [DOI]
• Spatiotemporal development of pulsating auroral patch associated with discrete chorus elements: Arase and PWING observations [DOI] [Web of Scientce]
• Velocity Rotation Events in the Outer Magnetosphere Near the Magnetopause [DOI]
• Geographical and Seasonal Variability of Mesospheric Bores Observed from the International Space Station [DOI] [Web of Scientce]
• Polarization electric field inside auroral patches: Simultaneous experiment of EISCAT radars and KAIRA [DOI] [Web of Scientce] [Othres link]
• Visualization of rapid electron precipitation via chorus element wave-particle interactions. [DOI] [PubMed] [PubMed Central] [Web of Scientce] [Scopus] [Scopus]
• Tracking the region of high correlation between pulsating aurora and chorus: Simultaneous observations with Arase satellite and ground‐based all‐sky imager in Russia
• A statistical study of anomalous VHF propagation due to the sporadic-E layer in the air-navigation band [DOI] [Scopus] [Scopus]
• Geographical and seasonal variability of mesospheric bores observed by IMAP/VISI
• Airglow Patches in the Polar Cap Region: A Review
• Diffuse and Pulsating Aurora
• Plasma flow in the north-south aligned auroral region equatorward of the dayside auroral oval
• Transient ionization of the mesosphere during auroral breakup: Arase satellite and ground-based conjugate observations at Syowa Station [DOI] [Web of Scientce] [Othres link]
• Electrostatic Electron Cyclotron Harmonic Waves as a Candidate to Cause Pulsating Auroras [DOI] [Scopus] [Scopus]
• A new five-wavelength photometer operated in TromsO (69.6 degrees N, 19.2 degrees E) [DOI] [Web of Scientce]
• Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm [DOI] [Scopus] [Scopus]
• A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E) [DOI] [Scopus] [Scopus]
• Mesospheric bores at southern midlatitudes observed by ISS-IMAP/VISI: a first report of an undulating wave front [DOI] [Web of Scientce]
• Microscopic Observations of Pulsating Aurora Associated With Chorus Element Structures: Coordinated Arase Satellite-PWING Observations [DOI]
• Auroral molecular-emission effects on the atomic oxygen line at 777.4nm [DOI]
• Initial report on polar mesospheric cloud observations by Himawari-8 [DOI]
• Survey of conditions for artificial aurora experiments at EISCAT Tromsø using dynasonde data
• GPS amplitude and phase scintillation associated with polar cap auroral forms [DOI] [Web of Scientce]
• Ground-based instruments of the PWING project to investigate dynamics of the inner magnetosphere at subauroral latitudes as a part of the ERG-ground coordinated observation network [DOI] [Web of Scientce]
• Statistical investigation of Na layer response to geomagnetic activity using resonance scattering measurements by Odin/OSIRIS [DOI] [Web of Scientce]
• Horizontal profile of a moving red line cusp aurora [DOI] [Web of Scientce]
• Depletion of mesospheric sodium during extended period of pulsating aurora [DOI] [Web of Scientce]
• Periodic creation of polar cap patches from auroral transients in the cusp [DOI] [Web of Scientce]
• Edge of polar cap patches [DOI] [Web of Scientce]
• Lower thermospheric wind variations in auroral patches during the substorm recovery phase [DOI] [Web of Scientce]
• GPS scintillations in the high latitudes during periods of dayside and nightside reconnection [DOI] [Web of Scientce]
• Spatiotemporally resolved electrodynamic properties of a Sun-aligned arc over Resolute Bay [DOI] [Web of Scientce]
• Three-dimensional imaging of the plasma parameters of a moving cusp aurora [DOI] [Web of Scientce]
• On the symmetry of ionospheric polar cap patch exits around magnetic midnight [DOI] [Web of Scientce]
• Multi-instrument, high-resolution imaging of polar cap patch transportation [DOI] [Web of Scientce]
• Ionospheric variation during pulsating aurora [DOI] [Web of Scientce]
• Introduction to special section on pulsating aurora and related magnetospheric phenomena [DOI] [Web of Scientce]
• A thermospheric Na layer event observed up to 140km over Syowa Station (69.0 degrees S, 39.6 degrees E) in Antarctica [DOI] [Web of Scientce]
• Investigating the particle precipitation of a moving cusp aurora using simultaneous observations from the ground and space [DOI] [Web of Scientce]
• CDF data archive and integrated data analysis platform for ERG-related ground data developed by ERG Science Center (ERG-SC)
• Direct observations of blob deformation during a substorm [DOI] [Web of Scientce]
• Interhemispheric auroral symmetry and asymmetry from ground-based conjugate observations
• Observations of GPS scintillation during an isolated auroral substorm [DOI] [Scopus] [Scopus]
• 3D imaging reveals electrodynamics of polar cap aurora [DOI] [Web of Scientce]
• 3D imaging reveals electrodynamics of polar cap aurora [DOI] [Web of Scientce]
• Storm time enhancements of 630.0 nm airglow associated with polar cap patches [DOI] [Web of Scientce]
• Storm time enhancements of 630.0 nm airglow associated with polar cap patches [DOI]
• Global imaging of polar cap patches with dual airglow imagers [DOI] [Web of Scientce]
• Simultaneous NLC and PMSE Observations at Syowa, Antarctica
• Planetary wave oscillations observed in ozone and PMSE data from Antarctica [DOI]
• The interconnection between cross-polar cap convection and the luminosity of polar cap patches [DOI] [Web of Scientce]
• Relationship between auroral substorm and ion upflow in the nightside polar ionosphere [DOI] [Scopus] [Scopus]
• First observations of polar mesosphere summer echoes by SuperDARN Zhongshan radar [DOI]
• Large flow shears around auroral beads at substorm onset [DOI] [Web of Scientce]
• Characteristics of medium-scale traveling ionospheric disturbances observed near the Antarctic Peninsula by HF radar [DOI] [Web of Scientce]
• Steep plasma depletion in dayside polar cap during a CME-driven magnetic storm [DOI]
• Periodicities of polar cap patches [DOI]
• トロムソ/ロングイアビンにおけるオーロラ観測用並列イメージャーの大量データ処理と可視化
• Processing and visualization of large amounts of auroral data obtained with All-sky/Narrow field-of-view parallel imagers in Tromso and Longyearbyen
• An integrated analysis platform merging SuperDARN data within the THEMIS tool developed by ERG-Science Center (ERG-SC)
• Steep plasma depletion in dayside polar cap during a CME-driven magnetic storm [DOI] [Web of Scientce]
• Periodicities of polar cap patches [DOI] [Web of Scientce]
• Two-dimensional direct imaging of structuring of polar cap patches [DOI]
• Double bursts inside a poleward-moving auroral form in the cusp [DOI] [Web of Scientce]
• Space-time variability of polar cap patches: Direct evidence for internal plasma structuring [DOI] [Web of Scientce]
• Simultaneous ground-satellite observations of meso-scale auroral arc undulations [DOI] [Web of Scientce]
• GPS total electron content variations associated with poleward moving Sun-aligned arcs [DOI] [Web of Scientce]
• Magnetic conjugacy of northern and southern auroral beads [DOI] [Web of Scientce]
• Direct three-dimensional imaging of polar ionospheric structures with the Resolute Bay Incoherent Scatter Radar [DOI] [Web of Scientce]
• Double bursts inside a poleward-moving auroral form in the cusp [DOI]
• Simultaneous ground-satellite observations of meso-scale auroral arc undulations [DOI]
• Ground-based aurora conjugacy and dynamic tracing of geomagnetic conjugate points [DOI]
• Signatures of moving polar cap arcs in the F-region PolarDARN echoes [DOI] [Web of Scientce]
• Decay of polar cap patch [DOI] [Web of Scientce]
• In situ evidence for interplanetary magnetic field induced tail twisting associated with relative displacement of conjugate auroral features [DOI] [Web of Scientce]
• Midnight sector observations of auroral omega bands [DOI] [Web of Scientce]
• Decay of polar cap patch [DOI]
• In situ evidence for interplanetary magnetic field induced tail twisting associated with relative displacement of conjugate auroral features [DOI]
• Motion of polar cap arcs [DOI]
• A powerful tool for browsing quick-look data in solar-terrestrial physics: "Conjunction Event Finder" [DOI] [Web of Scientce]
• Propagation of large amplitude ionospheric disturbances with velocity dispersion observed by the SuperDARN Hokkaido radar after the 2011 off the Pacific coast of Tohoku Earthquake [DOI] [Web of Scientce]
• Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm [DOI] [Web of Scientce]
• Preonset time sequence of auroral substorms: Coordinated observations by all-sky imagers, satellites, and radars [DOI] [Web of Scientce]
• Plasma flow during the brightening of proton aurora in the cusp [DOI] [Web of Scientce]
• Plasma flow during the brightening of proton aurora in the cusp [DOI] [Othres link]
• Plasma irregularities adjacent to auroral patches in the postmidnight sector [DOI] [Web of Scientce]
• Varying interplanetary magnetic field B-y effects on interhemispheric conjugate auroral features during a weak substorm [DOI] [Web of Scientce]
• A new SuperDARN high temporal resolution 2-D ionospheric / thermospheric observation with simultaneous optical measurements and its contributions to CAWSES-II [Othres link]
• Plasma irregularities in the duskside subauroral ionosphere as observed with midlatitude SuperDARN radar in Hokkaido, Japan [DOI] [Web of Scientce]
• Development of CDF conversion scheme for SDD fitacf files by ERG-Science Center: A new data analysis platform powered by the THEMIS tool
• 2-D Electric field modulation with pulsating aurora observed with a new SuperDARN high temporal resolution technique
• Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 [DOI] [Web of Scientce]
• Initial development of HF radar polar patch caused by azimuthal flow burst in the cusp [DOI] [Web of Scientce]
• Initial development of HF radar polar patch caused by azimuthal flow burst in the cusp [DOI] [Othres link]
• Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm [DOI]
• Plasma irregularities adjacent to auroral patches in the postmidnight sector [DOI]
• Reorganization of polar cap patches through shears in the background plasma convection [DOI] [Web of Scientce]
• Modulation of ionospheric conductance and electric field associated with pulsating aurora [DOI]
• Initial development of the HF radar polar patch driven by the azimuthal flow burst in the cusp
• Pedersen current carried by electrons in auroral D-region
• Distorted flow during moving mesoscale plasma precipitation in the cusp
• GPS total electron content variations associated with a polar cap arc [DOI] [Web of Scientce]
• Ion heating in high-speed flow channel within the duskside cell of the polar cap ion convection under large IMF-B-y condition [DOI] [Web of Scientce]
• Coordinated observations of nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow and HF radar echoes at midlatitudes [DOI] [Web of Scientce]
• Moving mesoscale plasma precipitation in the cusp [DOI]
• Simultaneous observations of visible NLC and SuperDARN-PMSE over Japanese Syowa station in Antarctica
• Small-scale converging electric field structure in the vicinity of breakup auroral arcs
• Moving mesoscale plasma precipitation in the cusp [DOI] [Web of Scientce]
• Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere [DOI] [Scopus] [Scopus]
• Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada [DOI] [Web of Scientce]
• Unusually elongated, bright airglow plume in the polar cap F region: Is it a tongue of ionization? [DOI] [Web of Scientce]
• Medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido radar, all-sky imager, and GPS network and their relation to concurrent sporadic E irregularities [DOI]
• Relationship between polar cap patches and field-aligned irregularities as observed with an all-sky airglow imager at Resolute Bay and the PolarDARN radar at Rankin Inlet [DOI] [Web of Scientce]
• Medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido radar, all-sky imager, and GPS network and their relation to concurrent sporadic E irregularities [DOI] [Web of Scientce]
• HF radar polar patch and its relation with the cusp during By -dominated IMF: Simultaneous observations at two altitudes [DOI]
• HF radar polar patch and its relation with the cusp during B-Y-dominated IMF: Simultaneous observations at two altitudes [DOI] [Web of Scientce]
• The Optical Mesosphere Thermosphere Imagers (OMTIs) for network measurements of aurora and airglow [Web of Scientce]
• Dynamical property of storm time subauroral rapid flows as a manifestation of complex structures of the plasma pressure in the inner magnetosphere [DOI] [Othres link]
• Dynamical property of SAPS as a manifestation of fine structures of the ring current during the magnetic storm of 15 December 2006
• Statistical characteristics of polar cap mesospheric gravity waves observed by an all-sky airglow imager at Resolute Bay, Canada [DOI] [Web of Scientce]
• SuperDARN Hokkaido radar observation of westward flow enhancement in subauroral latitudes [DOI]
• Response of large-scale ionospheric convection to substorm expansion onsets: A case study [DOI] [Web of Scientce]
• Electric field modulation behind pulsating aurora [DOI] [Web of Scientce]
• Estimation of magnetopause motion from low-energy neutral atom emission [DOI]
• Estimation of magnetopause motion from low-energy neutral atom emission [DOI] [Web of Scientce]
• SuperDARN observations of daytime MSTIDs in the auroral and mid-latitudes: Possibility of long-distance propagation [DOI] [Web of Scientce]
• Conjugate observations of ENA signals in the high-altitude cusp and proton auroral spot in the low-altitude cusp with IMAGE spacecraft [DOI] [Web of Scientce]
• Two-dimensional observations of overshielding during a magnetic storm by the Super Dual Auroral Radar Network (SuperDARN) Hokkaido radar [DOI] [Web of Scientce]
• D region HF radar echoes associated with energetic particle precipitation and pulsating aurora [Web of Scientce]
• Rankin Inlet PolarDARN radar observations of duskward moving Sun-aligned optical forms [Web of Scientce]
• Correlative variations of the neutral atom emission in the high-altitude cusp and the fast anti-sunward convection in the low-altitude cusp [DOI]
• Correlative variations of the neutral atom emission in the high-altitude cusp and the fast anti-sunward convection in the low-altitude cusp [DOI] [Web of Scientce]
• Dynamic variations of a convection flow reversal in the subauroral postmidnight sector as seen by the SuperDARN Hokkaido HF radar [DOI] [Web of Scientce]
• Storm phase dependence of ion outflow: Statistical signatures obtained by IMAGE/LENA [DOI] [Web of Scientce]
• Electromagnetic energy deposition rate in the polar upper thermosphere derived from the EISCAT Svalbard radar and CUTLASS Finland radar observations [Web of Scientce]
• Estimating drift velocity of polar cap patches with all-sky airglow imager at Resolute Bay, Canada [DOI] [Web of Scientce]
• Neutral atom emission in the direction of the high-latitude magnetopause for northward IMF: Simultaneous observations from IMAGE spacecraft and SuperDARN radar [DOI] [Web of Scientce]
• Simultaneous observations of ions of ionospheric orgin over the ionosphere and in the plasma sheet at storm-time substorms
• Neutral atom emission coming from the direction of the high-latitude magnetopause under northward IMF [CiNii Research (CiNii Articles)] [CiNii Books] [Othres link]
• Monitoring the high-altitude cusp with the Low Energy Neutral Atom imager: Simultaneous observations from IMAGE and Polar [DOI] [Web of Scientce]
• Overwhelming O+ contribution to the plasma sheet energy density during the October 2003 superstorm: Geotail/EPIC and IMAGE/LENA observations [DOI] [Web of Scientce]
• Extraction of polar mesosphere summer echoes from SuperDARN data [DOI] [Web of Scientce]
• Monitoring the high-altitude cusp with the low energy neutral atom imager: Simultaneous observations from IMAGE and polar [DOI]
• On the relationship between spectral characteristics of high-latitude irregularities and small-scale electromagnetic field fluctuations
• Statistical analysis of backscatters from first range gates with SENSU Syowa East and CUTLASS Iceland East - an attenmpt to estimate interhemispheric asymmetry in PMSE activities -
• Poleward-moving patch of neutral atoms as observed by the IMAGE spacecraft Low Energy Neutral Atom (LENA) imager - manifestation of transient dayside reconnection? -
• Origin of the SuperDARN broad Doppler spectra: First observational evidence from Oersted satellite magnetometer
• Origin of the SuperDARN broad Doppler spectra: simultaneous observation with Oersted satellite magnetometer [DOI] [Othres link]
• Origin of the SuperDARN broad Doppler spectra: simultaneous observation with Oersted satellite magnetometer [Web of Scientce]
• Statistics of antarctic mesospheric echoes observed with the SuperDARN Syowa Radar [DOI] [Web of Scientce]
• Simultaneous observations of the cusp with IMAGE Low Energy Neutral Atoms Imager and SuperDARN radar [CiNii Research (CiNii Articles)] [CiNii Books] [Othres link]
• A numerical simulation of the geomagnetic sudden commencement: 1. Generation of the field-aligned current associated with the preliminary impulse [DOI] [Web of Scientce]
• Interhemispheric comparison of spectral width boundary as observed by SuperDARN radars [Web of Scientce]
• Transient production of F-region irregularities associated with TCV passage [Web of Scientce]
• Characteristics of polar mesosphere summer echoes observed with the Syowa Station HF radars [CiNii Research (CiNii Articles)] [CiNii Books] [Othres link]
• Simultaneous measurement of duskside subauroral irregularities from the CUTLASS Finland radar and EISCAT UHF system [DOI] [Web of Scientce]
• An inter-hemispheric, statistical study of nightside spectral width distributions from coherent HF scatter radars [Web of Scientce]
• Statistical characteristics of Doppler spectral width as observed by the conjugate SuperDARN radars [Web of Scientce]
• SuperDARN HF Radar Signatures of Traveling Convection Vortices
• Simultaneous measurement of duskside subauroral irregularities from the CUTLASS Finland radar and EISCAT UHF system [DOI]
• Source of field-aligned irregularities in the subauroral F region as observed by the SuperDARN radars [Web of Scientce]
• Source of plasma irregularities in the subauroral F region as observed by the SuperDARN radars
• Spatial distribution of irregularity occurrence rate in the subauroral F region as observed by the SuperDARN radars
• Characteristics of solar flare effect in the high-latitude ionosphere as observed by the SuperDARN radars [CiNii Research (CiNii Articles)] [CiNii Books] [Othres link]

その他業績

• HFドップラー観測とGPS電波掩蔽観測を用いた台風に関連する電離圏擾乱の解析 [J-GLOBAL]
• Es層形成過程の中性大気とプラズマ大気の同時観測による解明 S-310-46号機プロジェクト—Elucidation of the generation process of sporadic E layers by simultaneous observation of the neutral and ionized atmospheres: S-310-46 rocket project [CiNii Research] [Othres link]
• 2022年秋のSuperDARNとあらせ衛星共役観測によって捉えられたイモムシ型ULF波動について [J-GLOBAL]
• HFドップラー観測を用いた複数の経路で伝搬した地震に伴う電離圏擾乱の解析 [J-GLOBAL]
• HFドップラー観測を用いた2019年台風15号接近時の同心円状の電離圏擾乱の解析 [J-GLOBAL]
• HFドップラー観測による流星エコーを用いた中性風の解析 [J-GLOBAL]
• HF-STARTプロジェクトにおけるHF帯電波伝搬の減衰の評価 [J-GLOBAL]
• HFドップラー観測を用いた地震に伴う異なる経路で伝搬した電離圏擾乱の解析 [J-GLOBAL]
• HFドップラー観測とGPS電波掩蔽観測を用いた台風上陸に伴う電離圏擾乱の解析 [J-GLOBAL]
• HFドップラー観測を用いた異なる経路に沿って伝搬した地震に伴う電離圏擾乱の解析 [J-GLOBAL]
• S-520-3号機観測ロケット実験の初期結果報告 [CiNii Research] [Othres link]
• HFドップラー観測による流星エコーの解析 [J-GLOBAL]
• SS-520-3号機観測ロケット実験フライト結果の概要 [J-GLOBAL]
• HFドップラー観測を用いた地震に伴う電離圏擾乱の空間分布の解析 [J-GLOBAL]
• 昼側PsAに寄与する降下電子に関する研究 [J-GLOBAL]
• 多波長から推定する脈動オーロラの降下電子エネルギー [J-GLOBAL]
• 地上光学-欧州非干渉散乱レーダー-あらせ衛星観測に基づくECH波と電離圏F領域電離及び脈動オーロラの関係 [J-GLOBAL]
• 3D-CNNによるグレースケールオーロラ動画の自動分類 [J-GLOBAL]
• 観測パッケージPARM-HEPによる脈動オーロラに伴うマイクロバースト現象の観測 [J-GLOBAL]
• All-Sky Imagerデータの複数の脈動パッチを包括的に追跡するためのパイプライン [J-GLOBAL]
• 多波長オーロラ光学観測による脈動オーロラの降下電子エネルギー推定 [J-GLOBAL]
• 昼側脈動オーロラの周期性に関する統計解析 [J-GLOBAL]
• PARM 計画: RockSat-XNおよびLAMP観測ロケット計画による脈動オーロラに伴う高エネルギー電子マイクロバースト現象の研究 [CiNii Research (CiNii Articles)] [Othres link]
• 昼側オーロラオーバルの低緯度側に生じるフローチャネルのESR観測
• 高エネルギー電子降下によるcosmic noise absorption(CNA)の変動とオーロラの形態変化 [J-GLOBAL]
• カスプの高速プラズマフロー時に見られる電子降下の時間空間発展 [J-GLOBAL]
• 半球視野の中間エネルギー電子検出器の開発とPARM(Pulsating AuRora and Microburst)ミッションにおける飛行試験 [J-GLOBAL]
• Multiple electron precipitation spots in the cusp and subsequent equatorward expansion of aurora beyond the cusp
• Red line aurora in the dayside cusp for northward IMF
• 北向きIMF時のカスプ電子オーロラの太陽風速度依存性
• 2波長観測による脈動オーロラの降下電子エネルギー推定 [J-GLOBAL]
• 脈動オーロラ消光時に見られる発光強度の極端減少の原因 [J-GLOBAL]
• 動くメソスケールカスプオーロラに伴うプラズマ速度プロファイル [J-GLOBAL]
• 石垣島で取得された630.0nm大気光観測データを用いたプラズマバブルの形状解析 [J-GLOBAL]
• Spatiotemporal variations of the electron precipitation producing moving cusp aurora
• 巨大な動くカスプオーロラのEISCAT観測
• 複数波長観測による脈動オーロラ降下電子のエネルギー推定とそのMLT依存性 [J-GLOBAL]
• 北欧全天カメラとVan Allen Probes衛星を用いた脈動オーロラ同時観測事例の解析 [J-GLOBAL]
• 原子大気オーロラ輝線777.4nmへの分子大気オーロラ輝線の影響評価 [J-GLOBAL]
• 北欧全天カメラ及びVan Allen Probesを用いた脈動オーロラ同時観測事例の解析 [J-GLOBAL]
• 南極域大気光イメージャとSwarm衛星を用いた南極域極冠パッチの統計的性質に関する研究 [J-GLOBAL]
• ポーラーパッチならびにブロブの電子密度分布と極冠イオン対流速度の関係 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSS受信機を用いた電離圏シンチレーションと全電子数の観測 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSS受信機を用いた電離圏シンチレーションの多点観測 [J-GLOBAL]
• 脈動電子オーロラのあらせ衛星および地上観測の初期結果報告:コーラス波動が駆動源と考えられる脈動オーロラパッチの時空間解析 [J-GLOBAL]
• アイスランド~昭和基地共役点観測の現状 [J-GLOBAL]
• カスプの赤道側の安定したsun-aligned オーロラアーク
• カスプの赤道側の安定したsun-aligned オーロラアーク: 全天イメージャーとEISCATの同時観測
• 主成分分析を用いた脈動オーロラの変調解析 [J-GLOBAL]
• Sun-Aligned arcの運動メカニズム再考:3台の全天カメラと短波レーダーによる同時観測 [J-GLOBAL]
• Sun-aligned arcの運動メカニズム再考:3台の全天カメラと短波レーダーによる同時観測 [J-GLOBAL]
• 全天カメラで取得された脈動オーロラの画像に対する主成分分析を用いた変調解析 [J-GLOBAL]
• ポーラーパッチ後縁部に見られる指状構造:2次元数値シミュレーションとESRによる観測データの比較 [J-GLOBAL]
• 脈動オーロラが起こすナトリウム密度変動の研究:高速ナトリウムライダー観測 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSS受信機による電離圏シンチレーション観測 [J-GLOBAL]
• オーロラの全天高速撮像による事例解析 [J-GLOBAL]
• オーロラの発生とGPSシンチレーションの関連性についての統計解析 [J-GLOBAL]
• 小型で安価な大気光イメージャを用いたプラズマバブルの観測 [J-GLOBAL]
• アイスランド~昭和基地共役点観測の現状と将来 [J-GLOBAL]
• サブストーム回復相におけるオーロラパッチと下部熱圏風速変動 [J-GLOBAL] [Othres link]
• Cusp aurora as a backward-elongated image of the moving region of electron precipitation
• 動く電子降下領域の後方に延びるカスプオーロラ：EISCATと全天イメージャーの同時観測
• 夕方側オーロラオーバル内におけるオーロラアークの周期的生成 [J-GLOBAL]
• IMAGE FUVとSuperDARNによる極域ジュール加熱率と沿磁力線電流の導出 [J-GLOBAL]
• 極冠オーロラの運動メカニズム再考:2台の全天カメラと短波レーダーによる観測 [J-GLOBAL]
• 高感度全天イメージャによる観測を用いたポーラーパッチのエッジに関する統計解析 [J-GLOBAL]
• 夕方側オーロラオーバル内におけるオーロラアークの周期的生成 [J-GLOBAL]
• IMAGE FUVとSuperDARNによる極域ジュール加熱率と沿磁力線電流の導出 [J-GLOBAL]
• 極冠オーロラの運動メカニズム再考:2台の全天カメラと短波レーダーによる観測 [J-GLOBAL]
• 高感度全天イメージャによる観測を用いたポーラーパッチのエッジに関する統計解析 [J-GLOBAL]
• Postnoon auroral spotsの特性 [J-GLOBAL]
• 小型大気光カメラによる極冠パッチの撮像 [J-GLOBAL]
• 極冠パッチと共存する極冠アークの発生 [J-GLOBAL]
• 真昼過ぎオーロラスポットと極向きにドリフトする複数のアーク [J-GLOBAL]
• 無人システムを利用したオーロラ現象の南極広域ネットワーク観測 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSS受信機を用いた電離圏シンチレーションの観測 [J-GLOBAL]
• トロムソにおけるGNSS受信機を用いた電離圏シンチレーション観測 [J-GLOBAL]
• サブストーム回復相のオーロラパッチ中に現れる下部熱圏風速変動 [J-GLOBAL] [Othres link]
• 太陽地球系現象の南北両極共役観測ネットワーク [J-GLOBAL]
• 極方向に伝搬するカスプオーロラの動的特性:全天イメージャ観測に基づく統計解析 [J-GLOBAL]
• IMAGE FUVとSuperDARNによる極域ジュール加熱率の導出 [J-GLOBAL]
• 小型大気光カメラによるポーラーパッチの撮像 [J-GLOBAL]
• 高感度全天イメージャによる観測を用いたポーラーパッチのエッジに関する統計解析 [J-GLOBAL]
• 高感度全天イメージャによって観測された高緯度昼間側MSTIDの特性 [J-GLOBAL]
• オーロラ発光とGPSシンチレーションの関連性 [J-GLOBAL]
• 極方向に伝搬するカスプオーロラの動的特性:全天イメージャ観測に基づく統計解析 [J-GLOBAL]
• EISCAT高速スキャンで観測した電離圏トラフ境界近傍の電子密度構造 [J-GLOBAL]
• IMAGE FUVとSuperDARNによる極域ジュール加熱率の導出 [J-GLOBAL]
• オーロラ発光とGPSシンチレーションの関連性 [J-GLOBAL]
• LabVIEWを用いたオーロラと大気光の光学観測制御システムの設計 [CiNii Research (CiNii Articles)] [Othres link]
• 極冠オーロラの微細構造および周期性に関する研究 [J-GLOBAL]
• 全天イメージャ観測に基づくカスプのpoleward-moving auroral formの統計的性質 [J-GLOBAL]
• 電離圏カスプで同定される電子密度の周期構造:全天イメージャとEISCATの同時観測 [J-GLOBAL]
• 複数の全天イメージャとレーダーを用いた極冠オーロラの広域イメージング [J-GLOBAL]
• 高感度全天イメージャーによる高緯度昼間側の中規模伝搬性電離圏擾乱の観測 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSS受信機を用いたシンチレーション観測 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSS受信機を用いたシンチレーション観測 [J-GLOBAL]
• オーロラ爆発とGPSシンチレーションの関連性の研究 [J-GLOBAL]
• ノルウェー・トロムソにおけるGNSSシンチレーション観測 [J-GLOBAL]
• Plasma structuring in the polar cap ionosphere: an observation with all-sky airglow imager in Longyearbyen, Norway [J-GLOBAL]
• Pulsating aurora seen in the dayside polar ionosphere [J-GLOBAL]
• Storm-time observation of optical polar patches and electron density in evening polar cap [J-GLOBAL]
• Longitudinal profiles of the dayside aurora and F-region plasma parameters:Observations by all-sky imager and ESR equi-MLAT mode [J-GLOBAL]
• 全天イメージャとEISCATレーダーの同時観測に基づく極域電離圏カスプの電子密度微細構造の周期的変動特性 [J-GLOBAL]
• Simultaneous optical and radar observations of eastward drifting auroral forms [J-GLOBAL]
• Ionospheric irregularities observed by optics, GPS scintillation and HF radar during substorm [J-GLOBAL]
• Plasma temperature enhancements associated with transient flow in the cusp [J-GLOBAL]
• カスプのフローバーストに伴う電子密度の高度方向変動特性 [J-GLOBAL]
• SuperDARN北海道‐陸別HFレーダーで観測されたSAPS/SAID構造中の長・中・短周期時間変動 [J-GLOBAL]
• SuperDARN北海道‐陸別HFレーダーの現況報告(2010.10) [J-GLOBAL]
• In-situ evidence for the IMF-induced tail twisting in association with interhemispheric displacement of conjugate auroras [J-GLOBAL]
• ERG計画における連携地上ネットワーク観測 [J-GLOBAL]
• 北海道‐陸別HFレーダーで観測されたSAPS/SAID構造の長周期変動 [J-GLOBAL]
• SuperDARN北海道‐陸別短波レーダーの現況報告(2009.9) [J-GLOBAL]
• カスプのフローバースト領域のプラズマ構造 [J-GLOBAL]
• 北海道‐陸別HFレーダーの現状報告(2008.10) [J-GLOBAL]
• 北海道‐陸別HFレーダーとGEONETで観測された大規模性電離圏擾乱のマルチイベント解析 [J-GLOBAL] [Othres link]
• THEMISとSuperDARNの観測を用いた磁気圏尾部と電離圏の高速プラズマ流の対応 [J-GLOBAL] [Othres link]
• EISCATレーダーを用いた日本の極域超高層大気観測の現状 [J-GLOBAL]
• GPS受信機網とSuperDARNの同時観測による電離圏電子密度擾乱のスケール依存性の解明 [J-GLOBAL] [Othres link]
• 2006年12月15日に北海道‐陸別HFレーダーとGEONETで観測された大規模伝搬性電離圏擾乱 [J-GLOBAL] [Othres link]
• 北海道‐陸別HFレーダーで観測された地磁気嵐時の昼間側極方向高速流 [J-GLOBAL]
• Possible observation of spatial and temporal structure of the "overshielding" from the SuperDARN Hokkaido radar
• Motion of the cusp and pulsed ion upflow: Simultaneous observations from IMAGE spacecraft, EISCAT and SuperDARN radars [J-GLOBAL]
• EISCAT UHFレーダーとSuperDARN HFレーダーで観測された夕方側西向き高速イオン対流内におけるイオン加熱 [J-GLOBAL]

講演・口頭発表等

• デジタルカメラの動画撮影機能による脈動オーロラの観測例と観測計画
• Overview of the ground-based optical observations during the LAMP rocket experiment in Alaska
• あらせ衛星，地上全天カメラ，EISCAT レーダーによる磁気共役同時観測を用いた脈動オーロラ電子の エネルギーに関する研究
• Internatinal joint observations of electron precipitation from Geospace using combined radio and optical techniques
• あらせ衛星を用いたダクトによるコーラス高緯度伝搬と脈動オーロラの関係の検討
• オーロラ観測のためのデジカメの校正実験と 2022 年度の観測計画
• ISS からのデジタルカメラを用いたオーロラ観測で得られる画像データの特徴
• Simultaneous conjugate observations of the energy of pulsating auroral electrons by Arase satellite, ground-based all-sky imagers and EISCAT radar
• あらせ衛星，全天カメラ，広角デジタルカメラで捉えたサブストームオンセット直後の脈動オーロラ
• 短波ドップラー観測に高度計測機能を追加するための新観測システムの検討
• あらせ衛星，EMCCD 全天カメラ，EISCAT レーダーによる磁気共役同時観測を用いた脈動オーロラ電子のエネルギーに関する研究
• 航空航法用 ILS 遠距離伝搬波を用いた Es 下部構造の観測
• EMCCD カメラとあらせ衛星で捉えた内部変調の有無が時間的に変化したイベントの解析
• Diffuse Aurora の発生に寄与する降下電子の分布
• 衛星，高速撮像カメラ，大型大気レーダーの観測を用いた脈動オーロラ電子のエネルギーに関する研究
• トロムソにおける「多波長光学観測」の現状
• International joint observations of electron precipitation from Geospace using combined radio and optical techniques
• Tromsø AI: real-time notification service of auroral appearance in Tromsø, Norway
• 深層学習を用いたオーロラの出現を通知するウェブアプリケーション
• Relationship between Es and MSTIDs: Comparison of Doppler shift from HFD and GPS-TEC from GEONET
• Automated detection of mid-latitude sporadic E using GPS-TEC ROTI and aeronautical navigation radio wave data
• 昼側 PsA に寄与する降下電子に関する研究
• Tromsø AI：ノルウェー・トロムソにおけるオーロラのリアルタイム検出システム
• デジタルカメラで捉えた脈動オーロラの内部変調
• 市民科学の促進を意識したオーロラのデジタルカメラ観測の活用例
• 深層学習を用いたオーロラの自動検出システム：ノルウェー・トロムソにおけるリアルタイム運用
• Simultaneous observations of plasma bubbles with an HF Doppler sounding system in Taiwan and an all-sky imager in Ishigaki Island
• Automated detection of mid-latitude sporadic E using GPS-TEC ROTI data
• 国際宇宙ステーションからのデジタルカメラ撮像データを用いた孤立型プロトンオーロラ鉛直構造の推定
• ISS から観測された “Great Wall” オーロラの生成メカニズム
• Spatial distribution of pulsating aurora with/without internal modulation
• 深層ニューラルネットワークを用いた全天デジカメ画像のオーロラ自動検出
• 低高度衛星の光学・粒子同時観測が捉えた脈動オーロラ中に現れる inverted-V 構造
• 脈動オーロラの主脈動及び内部変調に伴う降下粒子エネルギーの変動
• 2020 年 1 月に観測された長期の昼側 PsA イベントについて
• LAMP 地上サポート観測紹介
• 2017-2020 年の脈動オーロラ光学/レーダー観測のまとめ - あらせ衛星とのコンジャンクション観測を中心に
• Overview of the Russia/Japan optical observations in 2020-2021 season
• Estimation of energy of precipitating electrons causing pulsating aurora and omega band: Digital camera observations from ISS
• Concentrically expanding ring-shaped pulsating aurora: simultaneous observations with Arase and high-speed cameras in Scandinavia
• 国際宇宙ステーションからのリム方向デジカメ観測を用いたオーロラ電子のエネルギー推定
• 昼側脈動オーロラの周期性に関する統計解析
• Spatial distribution of pulsating aurora with/without internal modulation
• Fine scale structures of chorus elements characterizing internal modulation of pulsating aurora
• Propagation characteristics of Sporadic-E and MSTIDs: Statistics using HF Doppler and GPS-TEC data
• Polar mesospheric cloud (PMC) structures tracking with data from the meteorological satellite Himawari-8
• 極中間圏雲の発生と磁気圏からの高エネルギー電子降下の関連について
• 国際宇宙ステーションからのデジカメ観測による脈動オーロラの広域空間特性
• HF ドップラー観測システムと GPS 全電子数観測を用いたスポラディック E と中規模伝搬性電離圏擾乱の相関について
• Full-scale spatial characteristics of pulsating aurora derived from color digital camera images from the International Space Station
• “Great Wall” seen in the omega band: full-color digital camera observation from the International Space Station
• Simultaneous ground-satellite observation of dayside pulsating aurora
• Observations of night time Sporadic-E layer by HF Doppler sounder network:association with Medium-Scale Traveling Ionospheric Disturbance (MSTID)
• Short review for recent studies of pulsating aurora in Japan during Arase era
• Spatial distribution of multiple temporal variations of pulsating aurora: multi-point high-speed optical observations in Scandinavia
• What controls the luminosity of polar cap airglow patches? : implication from airglow measurement in Eureka, Canada
• Fine-scale temporal characteristics of pulsating aurora: dependence on background parameters in the magnetospheric source region
• Multiple temporal variations of pulsating aurora: multi-point high-speed optical observations in Scandinavia
• Monitoring of anomalous propagation of VHF aeronautical navigation radio waves by the sporadic-E layer
• Latitudinal and Longitudinal Variations of Pulsating Aurora Periodicities: Digital Camera Observations from International Space Station
• Anomalous propagation of VHF NAV signals by the sporadic E layer
• 国際宇宙ステーションからのデジタルカメラ観測を用いた脈動オーロラ時空間特性の広域可視化
• 航空航法用 VHF 帯電波の異常伝搬と ROTI を組み合わせたスポラディック E 層の広域可視化
• Large-scale signatures of pulsating aurora characterized by ambient parameters in the magnetosphere
• 低高度衛星からの光学観測を用いた磁気嵐時の孤立型プロトンオーロラの汎地球的連続観測
• Spatial distribution of multiple temporal variations of pulsating aurora
• スポラディック E 層による計器着陸システム (ILS) 電波の異常伝搬
• 低高度衛星の紫外線観測を用いたオーロラオーバル赤道側境界の統計解析
• Estimation of the altitude of pulsating aurora emission by using five-wavelength photomete
• Sporadic E monitoring system using anomalous propagation of VHF radio waves for aircraft navigation
• 国際宇宙ステーションからのデジカメ観測による脈動オーロラの広域空間特性
• HF ドップラー観測システムと GPS 全電子数観測を用いたスポラディック E と中規模伝搬性電離圏擾乱の相関について
• History and current status of ionospheric radio observations by UEC
• Mapping of Digital Camera Images from the International Space Station: Application for Pulsating Aurora Studies
• Large-scale characteristics of chorus waves as inferred from high-speed optical observations of pulsating aurora
• Visualization of two-dimensional structure of Sporadic-E in a wide area by using air-band VHF radio observations and GPS-ROTI
• Continuous and global observations of isolated proton aurora from low-altitude satellite during magnetic storm
• The MLT dependence on the emission altitude of pulsating aurora
• 地上観測で見えるカスプオーロラの動的特性の紹介
• Observations of PsA during Arase and ground-based conjunction intervals in March 2019
• Fine-scale visualization of aurora in a wide area using color digital camera images from the International Space Station
• Large-scale characteristics of pulsating aurora periodicities: multi-point high-speed optical observations in Scandinavia
• Latitudinal dependence of internal modulation of PsA seen in simultaneous optical observations from 4 stations in Scandinavia
• Fine-scale visualization of aurora in a wide area using color digital camera images from the International Space Station
• A network of HF Doppler sounding systems in Japan: possible collaboration with SuperDARN
• IMF By dependence of polar cap patch occurrence: statistics using airglow data from Eureka, Canada in comparison with SuperDARN convection patterns
• Fine-scale visualization of aurora in a wide area using color digital camera images from the International Space Station
• Large-scale characteristics of pulsating aurora periodicities: multi-point high-speed optical observations in Scandinavia
• The Spatial characteristics of the internal modulation of pulsating aurora: multi-point high-speed optical observations in Scandinavia
• Over-darkening pulsating aurora: simultaneous observations with Arase and an all-sky camera in Scandinavia
• A network of HF Doppler sounding systems in Japan
• Observations of ionospheric and mesospheric wave structures by a low-cost airglow imaging system
• Estimation of the altitude of pulsating aurora
• Creation of polar cap patches
• Patches and TOI from 4 years observations at Resolute Bay
• PMSE observed with SuperDARN
• Motion of large-scale structures in the polar cap ionosphere
• An interhemispheric comparison of Polar Mesosphere Summer Echoes (PMSE) as detected with conjugate SuperDARN radars

書籍等出版物

• 基礎電磁気学 : 電磁気学マップに沿って学ぶ [CiNii Books]
• 南極と北極の総合誌「極地」
• フォトサイエンス 物理図録（改訂版）
• 低温環境の科学事典
• フォトサイエンス 物理図録

作品等

共同研究・競争的資金等の研究課題

• 極域熱圏加熱の起源の解明：光と電波を用いた統合高解像度イメージング観測
• 極域大気４次元センシング：メソスケールオーロラを介した宇宙と大気の結合過程の解明
• 極冠域境界に見られる熱的現象の解明：アルベーン波の観測を通したアプローチ
• 光と電波を用いた国際共同観測によって明らかにするジオスペース電子降下の時空間変動
• ディフューズオーロラ現象が放射線帯高エネルギー電子降下に与える影響の解明
• 船舶無線を用いた電離圏のパッシブサウンディング
• 静止軌道衛星ひまわりを活用した夜光雲の特性量推定と地上光学連携観測による検証
• レーダ、カメラによる3D観測・解析を駆使したオーロラ3次元電流回路の高解像度復元
• プラズマ圏極端収縮時の放射線帯消失の撮像
• 国際宇宙ステーションから宇宙飛行士がデジカメで撮影した画像のオーロラ研究への活用
• 電磁波斜め伝搬効果とオーロラ4Dイメージングによる宇宙プラズマのエネルギー写像
• 多地点からの地上大気光観測を用いたプラズマバブル成長過程の解明
• 多地点からの電波リモートセンシング観測を用いた航空航法通信環境のリアルタイムモニタリング
• 電波による極端自然現象の広域リモートセンシング
• 国際共同による観測ロケット実験を軸とした脈動オーロラ降下電子の研究
• 放送衛星に影響を与える宇宙嵐をモニタリングするシステムの開発と公開
• 電波による極端自然現象の広域リモートセンシング
• スポラディックE層が航空航法に与える影響を広域にモニタリングするシステムの構築
• 極限時間分解能観測によるオーロラ最高速変動現象の解明
• 人工衛星電波を用いた電離圏シンチレーション観測のカスプ・極冠域への展開
• ＧＰＳシンチレーション観測による極域電離圏イレギュラリティの研究
• 3地点からの全天大気光撮像による極冠域電離圏広域イメージング観測
• 新しいイメージング化ＳｕｐｅｒＤＡＲＮによる電離圏及び中性風の高精度観測
• 極域電離圏プラズマメソスケール密度構造のカスケード過程の解明
• ＥＩＳＣＡＴレーダーを用いたジオスペースに関する国際協同研究
• オーロラの南北半球共役性とその太陽活動依存性の研究
• 高感度分光多点観測による超高層大気変動の研究
• 光学・電波観測を組み合わせたポーラーパッチの3次元イメージング観測
• 磁気圏・電離圏対流がオーロラ爆発に及ぼす影響の解明
• 低高度極軌道衛星と地上観測網によるジオスペース電離圏現象の多次元・同時総合観測
• カナダ北極域におけるオーロラの高時間分解能光学観測
• 熱圏大気重力波擾乱のスペクトル決定要因の解明
• EISCATレーダーを主に用いた磁気圏・電離圏・熱圏・中間圏結合の総合的研究
• リモートセンシングによる磁気圏・極域電離圏プラズマの動態の解明
• 極域電離圏環境が南北両極オーロラの動態と強度に及ぼす影響の研究
• 大型短波レーダー観測網を用いた中間圏温度グローバルマップの導出
• SuperDARNレーダー網による極域電磁圏と下部熱圏・中間圏環境変動の研究
• SuperDARNレーダー生時系列観測解析手法による極域電磁圏ダイナミクスの研究
• カナダ北極域におけるオーロラ・超高層大気の高感度光学観測
• イメージ衛星リモートセンシング撮像データに基づく太陽風・磁気圏相互作用の研究

メディア報道

産業財産権

所属学協会

• Japan Geoscience Union (JpGU)
• 日本地球惑星科学連合
• Asia Oceania Geoscience Society (AOGS)
• European Geosciences Union (EGU)
• American Geophysical Union (AGU)
• 地球電磁気・地球惑星圏学会

委員歴

担当経験のある科目

• 宇宙通信工学特論
• 宇宙通信工学特論
• 大学院技術英語
• 大学院技術英語
• 情報・通信工学基礎
• 情報・通信工学基礎
• 情報・通信工学基礎
• 情報通信システム実験第二A・B
• 基礎演習A
• 基礎電磁気学
• 物理学概論第一
• 物理学概論第一
• 情報通信システム実験第二A・B
• 情報通信システム実験第二A・B
• 宇宙通信工学
• 電磁気学第二
• 電磁気学第二
• 電磁気学第二
• 宇宙通信工学
• 宇宙通信工学
• 基礎演習A
• 基礎演習A
• 解析電磁気学演習
• 解析電磁気学演習
• 解析電磁気学演習
• 基礎電磁気学
• 基礎電磁気学
• 解析電磁気学
• 解析電磁気学
• 解析電磁気学

社会貢献活動

学術貢献活動