University of Electro-Communications, Tokyo, Japan
Parent Institutions [?]
Child Institutions [?]
Affiliated Works
sorted by decreasing year, and then by display-name
- Dynamic Features of the High-Altitude Cusp:IMAGE/LENA Observations
- Energy Distribution of Precipitating Electrons Estimated From Optical and Cosmic Noise Absorption Measurements
- Interhemispheric conjugate observations of ionospheric convection flows in the dayside high-latitude regions
- Magnetosheath Neutral Atom Observations and the Relationship With Radar Backscatter in the Cusp: Combined Observations From IMAGE LENA and SuperDARN
- Numerical study of segregation mechanism in granular flow on inclined rough surface
- Pre Earthquake Phenomena in Phase Velocities and Gradients of ULF Geomagnetic Disturbances
- Association of SLHF and Ionospheric Anomalies with the Coastal Earthquakes of Japan
- Interferometric observation of over-horizon and ionospheric VHF radio waves associated with earthquakes.
- Monitoring the ion Entry in the High-Altitude Cusp
- Reduction Of Geomagnetic Effects (Periods T < 1000 s) From Geomagnetic And Geoelectrical Potential Difference Data
- Some recent observational results on seismogenic ULF emissions.
- ULF Geomagnetic Anomaly Associated with Large Earthquakes
- Extraction of PMSE from SuperDARN data
- Neutral Atom Emission in the Direction of the High-Latitude Magnetopause for Northward IMF: Simultaneous Observations From IMAGE Spacecraft and SuperDARN Radar
- Q-Burst Origins in Africa
- Simultaneous observations of ions of ionospheric origin over the ionosphere and in the plasma sheet at storm-time substorms
- Statistical properties of Polar Mesosphere Summer Echoes as detected with the Super Dual Auroral Radar Network
- Statistical signatures of ionospheric ion outflow obtained by IMAGE/LENA: Storm phase dependence
- Conjugate observations of ENA signals in the high-altitude cusp and proton auroral spot in the low-altitude cusp with IMAGE spacecraft
- Directional ENA Flow in the Earth's Magnetosheath: Estimation of the Magnetopause Subsolar Distance
- ELF Q-bursts from African Squall Lines
- ENA Emission From the Cusp of the Earth's Magnetosphere
- Electrostatic Solitary Waves in the vicinity of the Terrestrial Bow Shock
- First two-dimensional observations of overshielding by the SuperDARN Hokkaido radar
- Ionospheric signature of flow bursts in the magnetotail: Geotail-SuperDARN conjunction study
- Motion of the Earth's magnetopause: Estimation from low-energy neutral atom emissions
- Possibility Of The Electromagnetic Earthquake Precursor Source Localization
- SuperDARN Hokkaido HF radar observation of subauroral ionospheric convection during storms
- Coordinated observations of a nighttime medium-scale traveling ionospheric disturbance in 630-nm airglow and HF radar echoes
- Dynamical property of storm-time subauroral rapid flows as a manifestation of complex structures of the plasma pressure in the inner magnetosphere: Simulation and SuperDARN Hokkaido radar observation
- PolarDARN/SuperDARN radar echo signatures of moving polar cap arcs
- Radio and optical observation of polar cap tongue of ionization during the geomagnetic storm on December 15, 2006
- Sprites over Africa During the AMMA with Multiple Electromagnetic Detections of Their Parent Lightning Flashes
- Study of characteristics of the low frequency EM waves in the ionosphere by simultaneous measurements of satellite and ground-based experiment
- GPS Total Electron Content Variations Associated with a Polar Cap Arc
- Ionospheric perturbations associated with earthquakes, as seen by subionospheric VLF/LF propagation (Invited)
- Multi-instrumental comprehensive study of polar cap tongue of ionization during magnetic storm on December 15, 2006
- Observation of Vertical Acoustic Resonance Effect on the Ground and in the Ionosphere During July 22 Total Eclipse
- PolarDARN Radar Observations of Plasma Flows Associated with Morning Polar Cap Forms Detaching from the Auroral Oval
- Possibility of reliable earthquake forecast using several preseismic events: Abruzzo case as example
- SAVNET and Japanese VLF observations of ionospheric disturbances caused by giant recurrent gamma-ray flares on January 2009
- Science Goal and Mission Status of JEM-GLIMS
- Study on monitoring global warming by using the data of Schumann resonance
- Substorm Onset by New Plasma Intrusion 4: SuperDARN-THEMIS ASI-POES Observations
- SuperDARN Hokkaido Radar Observation of Recurrent Propagating SAID/SAPS Structure
- The Observation and Direction Findings of ULF Electromagnetic Emissions Possibly Associated with Earthquakes
- A Statistical Study of the Magnitude of Cross Shock Electrostatic Potential
- A Statistical Study of the Spatial Scales of the Terrestrial Bow Shock
- Characteristics of Jovian ionospheric Alfven resonator observed by using wave modulations of L-burst emissions
- In-situ evidence for the IMF-induced tail twisting in association with interhemispheric displacement of conjugate auroras
- Midnight Sector Observations of Auroral Omega Bands
- On the correlation between ionospheric perturbations as detected by subionospheric VLF/LF signals and earthquakes as defined by seismic intensity
- VLF subionospheric disturbances and ELF transients associated with TLEs: observations and modelling
- Free energy and entropy flows in magnetised plasma turbulence
- Ionospheric perturbations associated with the 2011 3.11 EQ, as seen from the subionospheric VLF/LF network
- Meso-scale auroral dynamics at magnetically conjugate points at Syowa Station, Antarctica and Iceland
- Tomographic approach to investigate the ionospheric disturbance possibly associated with the 2011 off the Pacific coast of Tohoku Earthquake
- Characteristics of daytime mid-latitude travelling ionospheric disturbances observed over the Antarctic peninsular with HF radar
- Earthquake- and tsunami-induced ionospheric disturbances detected by GPS total electron content observation
- Global Thunderstorm Activities Deduced from Elf/vlf Electromagnetic Emissions Observed by the Demeter Spacecraft
- Initial Results Derived from JEM-GLIMS Observations
- Magnetic conjugacy of northern and southern auroral beads
- Numerical simulations of ionospheric oscillations caused by coseismic atmospheric waves
- Simulation study of ionospheric response to the annular eclipse on May 21, 2012
- A novel technique for studying F-region ionization patches with the Resolute Bay Incoherent Scatter Radar - North
- Detection Method of Lightning and TLEs by JEM-GLIMS Nadir Observation
- Drift velocity of the ionospheric irregularities measured by closely-spaced GNSS receivers in Tromsoe, Norway
- Field-aligned Current Generated by the Acoustic Gravity Waves and Their Structure Inferred from Ground Observations
- GPS Amplitude and Phase Scintillation Associated with Poleward Moving Sun Aligned Arcs
- Generation process of upward flow producing thermospheric mass density enhancement in the cusp region
- Generation, dynamics, and decay of a polar cap patch
- Global imaging of polar cap patches with dual all-sky airglow imagers
- Modeling of ionospheric disturbances induced by huge earthquake and tsunami (Invited)
- Multi-instrument, high-resolution imaging of polar cap plasma transportation
- Penetration of the Electric Field to Low Latitude During Stormtime PC5 Pulsations as Observed by the HF Doppler Measurements and Magnetometer Array
- Properties of Polar cap flow channels and their association with polar cap arcs, airglow patches and nightside auroral activity
- Simultaneous study of ULF/VLF anomalies due to the earthquakes occurred in Japan
- The Resolute Bay Incoherent Scatter Radar: Initial Results and Future Opportunities (Invited)
- Ultimate VHF Broadband Interferometer Zen KAWASAKI and Manabu AKITA
- A proposal to the dissipated energy budget in the auroral ionosphere at the substorm recovery phase: Challenge from thermospheric wind variations in the pulsating aurora
- Connection between high-latitude arcs and the low-latitude boundary layer during periods of northward IMF
- Creation of polar cap patches
- Extreme F-region gradients generated by patch-arc interactions in the polar cap
- Ground and satellite observations of multiple sun-aligned auroral arcs on the duskside
- Imaging and spectrophotometric measurement of lightning by JEM-GLIMS
- Lightning and Sprite Detection from Internationa Space Station
- On the Symmetry of Ionospheric Polar Cap Patch Exits Around Magnetic Midnight
- Response of the Reverse Convection to Sharp IMF Turnings
- Substorm electric fields at nightside low latitude
- The field-aligned-current system of a sun-aligned arc over Resolute Bay
- Transmission of Stormtime Electric Field and Currents to the Mid-Equatorial Latitude Ionosphere in the Magnetosphere-Ionosphere-Ground Circuit
- A Statistical Study on VLF Subionospheric Perturbations Associated with Major Earthquakes: A View from Focal Mechanism
- An Overview of Three-year JEM-GLIMS Nadir Observations of Lightning and TLEs
- Determination of Spatio-Temporal Characteristics of D-region Electron Density during Annular Solar Eclipse from VLF Network Observations
- Development of the Near-Earth Magnetotail and the Auroral Arc Associated with Substorm Onset: Evidence for a New Model
- Ionospheric Plasma Circulation Associated with Polar Cap Arcs Detached from the Auroral Oval
- Preliminary Results form the Japanese Total Lightning Network
- Sharing Low Frequency Radio Emissions in the Virtual Observatory: Application for JUNO-Ground-Radio Observations Support.
- Summary of Global lightning and sprite measurements (GLIMS) mission
- A THEMIS Case Study of Pi2 Pulsations in the Magnetotail and on the Ground Before a Substorm Onset
- Coseismic Ionospheric Disturbances at Multiple Altitudes Associated with the Foreshock of Tohoku Earthquake Observed by HF Doppler Sounding
- Lower-thermospheric wind variations in auroral patches during the substorm recovery phase
- ROCSAT and HF Doppler sounder observations of the DP2-type electric field during the global Pc5 magnetic pulsation event
- Response of Jupiter's Aurora to Plasma Mass Loading Rate Monitored by the Hisaki Satellite During Io's Volcanic Event
- Transmission of the Magnetospheric Electric Fields to the Low Latitude Ionosphere during Storm and Substorms
- A multi-pulse, downward terrestrial gamma-ray flash from a winter thunderstorm in Japan
- Arase: mission overview and initial results
- Enhanced Research Opportunity to Study the Atmospheric Forcing by High-Energy Particle Precipitation at High Latitudes: Emerging New Satellite Data and the new Ground-Based Observations in Northern Scandinavia, including the EISCAT_3D Incoherent Scatter Facility.
- Lightning charge moment changes estimated by high speed photometric observations from ISS
- Plasma Flow in the North-South Aligned Auroral Region Equatorward of the Dayside Auroral Oval
- Space-borne observation of mesospheric bore by Visible and near Infrared Spectral Imager onboard the International Space Station
- The plasma wave experiment (PWE) on board the Arase (ERG) Satellite Initial results and collaboration with the ground network stations and Van Allen Probes
- Total lightning characteristics of recent hazardous weather events in Japan
- Verification of a Schumann Resonance Inversion Method for Global Lightning Activity in Absolute Units
- Wide energy electron precipitations associated with chorus waves; Initial observations from Arase and ground-based observations
- Interhemispheric asymmetry of polar cap patches: Effect of offset between the geographic and magnetic poles
- Ionospheric disturbances triggered by SpaceX rocket launches
- Low-altitude ionization and Pedersen conductivity layer associated with energetic electron precipitaiton
- Multi-sensor network for monitoring earthquake precursors and preparation processes near subduction zone at Boso, Japan
- Origin of hierarchical temporal variation in pulsating aurora
- Polarization electric field inside auroral patches: Simultaneous experiment of EISCAT radars and KAIRA
- Pulsating aurora associated with temporal structures of chorus elements: Coordinated Arase satellite and PWING observations
- RAM-SCBE Simulations of the March 2017 CIR-Driven Storm Period
- Relationship between pulsating aurora and repetitive bursts of magnetospheric chorus: a statistical analysis
- Strong dayside aurorae and precipitations under radial interplanetary magnetic fields
- Tracking the region of high correlation between pulsating aurora and chorus: simultaneous observations with Arase satellite and an all-sky imager in Russia
- Transient Effects in Atmosphere and Ionosphere Associated with 2018 Mw 7.5 Sulawesi Indonesia Earthquake and Tsunami
- A pulsating aurora event observed by an optical spectrograph at Tromsø, Norway
- An evaluation of rain attenuation correction for the Multi Parameter Phased Array Weather Radar
- Evolution of total lightning activity associated with severe thunderstorms in Japan characterized by a high speed ground-based radar and meteorological satellite
- Fine-scale temporal characteristics of pulsating aurora: dependence on background parameters in the magnetospheric source region
- Latitudinal and Longitudinal Variations of Pulsating Aurora Periodicities: Digital Camera Observations from International Space Station
- Monitoring of anomalous propagation of VHF aeronautical navigation radio waves by the sporadic-E layer
- Multiple temporal variations of pulsating aurora: multi-point high-speed optical observations in Scandinavia
- Polar mesospheric clouds observation from the Himawari geostationary meteorological satellite
- Source region of auroral arcs and diffuse auroras in the inner magnetosphere observed by Arase on 11 September 2018
- Stability and variability in the cusp electron precipitation for northward IMF
- Studeis of Noctilucent Clouds in Midlatitude Region by Coordinated Observation with a Geostationary Satellite, Airplanes, Balloons, and Ground-based Imagers
- What controls the luminosity of polar cap airglow patches? : implication from airglow measurement in Eureka, Canada
- An event study of the M-I-T coupling at a pseudo breakup during geomagnetically quiet conditions
- Concentrically expanding ring-shaped pulsating aurora: simultaneous observations with Arase and high-speed cameras in Scandinavia
- Estimation of energy of precipitating electrons causing pulsating aurora and omega band: Digital camera observations from ISS
- First observation of source plasma and field variations of a substorm brightening aurora at L=6 by a ground-based EMCCD camera and the Arase satellite on 12 October 2017
- Plasma Waves Causing Relativistic Electron Precipitation Events at International Space Station: Lessons from Conjunction Observations with Arase Satellite
- Resolving the evolution of pulsating aurora: High-speed Tjörnes-Arase-Syowa conjugate observation
- Spatio-temporal characteristics of the precipitating electron energy of pulsating aurora derived from multi-wavelength optical measurements
- Delay of the thermospheric wind response to a sudden westward turning of the ionospheric velocity at a pseudo breakup and irresistible force of the thermosphere in the energy dissipation process
- Detection of polar mesospheric clouds utilizing Himawari-8/AHI full-disk images
- Energy-Resolved Detection of Precipitating Electrons of 30100 keV by a Sounding Rocket Associated with Dayside Chorus Waves
- Feasibility study of the global MHD simulation code toward reanalysis of the space weather phenomena
- Pi2 oscillations in a substorm brightening aurora and source ion spectra observed on 28 December 2018 by a ground EMCCD camera and the Arase satellite at L 5
- Precipitating electron energy of pulsating aurora estimated from multi-wavelength optical observations
- Simultaneous pulsating aurora and microburst observations with ground-based fast auroral imagers and CubeSat FIREBIRD-II
- Structure tracking of polar mesospheric clouds by the meteorological satellite, Himawari-8
- Troms AI: real-time notification service of auroral appearance in Troms, Norway
- An active observation of aurora using a gimbal and AI in Kiruna, Sweden
- Conjugate observation of the source region in a storm-time substorm auroral arc using the Arase satellite at L 6 on September 8, 2017
- Development of a 3D Precipitation Nowcasting Method Using U-Net with Phased Array Radar Data
- Estimating the altitude of pulsating aurora emission: triangulation from three ground-based stations during the LAMP rocket experiment
- Generation mechanism of ionospheric disturbances after the 2022 Hunga Tonga-Hunga Ha'apai volcanic eruption using GNSS-TEC and SuperDARN Hokkaido pair of radars observation data
- LAMP-HEP Observation of Microburst Precipitation associated with Pulsating Aurora
- Modeling Diffuse Electron Precipitation Using Event-Specific Wave Diffusion Rates
- Observation of pulsating auroras with a multi-spectral auroral camera AIC2 on the LAMP rocket
- Observation of two downward terrestrial gamma-ray flashes with very-high-frequency waveform recordings
- Overview of the "Loss through Auroral Microburst Pulsations" (LAMP) Sounding Rocket Mission
- Persistent, Energetic Pulsating Aurora Observed During the LAMP Sounding Rocket Mission Launch Window
- Relativistic electron precipitations by chorus waves and its impacts on the middle atmosphere: Conjugate observations by the Arase satellite and EISCAT radar
- Spatial and Temporal Scales of Pulsating Aurora during the Loss Through Auroral Microburst Pulsations (LAMP) Rocket Mission
- The Loss through Auroral Microburst Pulsations (LAMP) rocket mission: Multiplatform, multipoint measurements to study microbursts and pulsating aurora
- The ionospheric conductivity distribution of the global MHD simulation code determined by the data assimilation
- Wave Amplitude Dependence of the Pulsating Aurora Emissions
- Wide energy electron precipitation during pulsating aurora: LAMP sounding rocket experiment and computer simulation
Linked Collaborating Authors [?]
- A. J. Coster
- A. J. Halford
- A. Johnson
- A. Kumamoto
- A. Matsuoka
- Alan Dyer
- Allison Jaynes
- Atsuki Shinbori
- Baptiste Cecconi
- Binbin Ni
- Chae‐Woo Jun
- Donald Hampton
- E. Spanswick
- F. Tsuchiya
- Harlan E. Spence
- Heikki Vanhamäki
- Hyomin Kim
- I. Shinohara
- Jia Yue
- K. Hosokawa
- K. Keika
- Kazuo Shiokawa
- Kazushi Asamura
- L. Capannolo
- Lei Cai
- M. Kitahara
- M. Lessard
- M. Nosé
- Masaaki Teramoto
- Miki Kawamura
- Mizuki Fukizawa
- Nikolaos Paschalidis
- Pekka T. Verronen
- R. H. Varney
- Reiko Nomura
- Riley Troyer
- Ryuho Kataoka
- S. Erard
- S. Nakano
- Satoko Nakamura
- Satoshi Kasahara
- Satoshi Kurita
- Shiang‐Yu Wang
- Shigeru Fujita
- Shinji Saito
- Shin‐ichiro Oyama
- Shoji Motomizu
- Sota Nanjo
- Sunny Wing-Yee Tam
- T. F. Chang
- Takeshi Sakanoi
- Taku Namekawa
- Takuo T. Tsuda
- Takuya Sori
- Tomoaki Hori
- V. K. Jordanova
- V. Ledvina
- Y. Ogawa
- Yasumasa Kasaba
- Yiqun Yu
- Yoshiya Kasahara
- Yoshizumi Miyoshi
- Yuichi Otsuka
- Yuta Hozumi
- Yutai Katoh
- Yuuki Wada