UAP seminar
FY2025 FY2025
| Date | Speaker | Title |
|---|---|---|
| Ryoichi FUJII (NIPR) | A Study of Ionospheric Characteristics and High-Latitude Physical Processes Using EISCAT and Coordinated Ground-Based Observations | |
| Masaki Tsutsumi (NIPR) | Quarter century observations of Antarctic MLT region based on Syowa MF radar system: - Climatology and trend analyses - | |
| Azusa Yamakawa (SOKENDAI) | Spatiotemporal structure of a sporadic Ca+ layer ~ short-period height variation ~ | |
| Yukino Sato (SOKENDAI) | Occurrence Characteristics of Quasi-Co-rotating Auroras Observed at Syowa Station, Antarctica, during 2023–2024 | |
| Tau Hoshino (SOKENDAI) | Reconstruction of the Three-dimensional Structure of the Westward Traveling Surge | |
| Shigeru Fujita (ISM) | Fundamental Research into the Physical Processes of the Solar Wind-Magnetosphere System in the Framework of Magnetic Topology | |
| Tomotaka Tanaka (SOKENDAI) | Hardness of precipitating particle energy spectrum revealed by spectral riometer in Kilpisjärvi, Finland: the May 2024 Extreme Space Weather Event | |
| Yoshimasa Tanaka (NIPR) | Study on oscillations in drifts of auroral patches observed in the morning sector | |
| Mizuki Fukizawa (NIPR) | Spatio-temporal evolution of the mean energy of the precipitating electron flux in poleward-propagating pulsating auroras | |
| Rina Kawakami (NIPR) | Correction of temperature data from super-pressure balloon observations and future research directions | |
| Yuri Ito (NIPR) | Statistical study on shape of pulsating auroras and ducted propagation of chorus waves | |
| Akira Sessai Yukimatu (NIPR) | SuperDARN updates | |
| Yoshihiro Tomikawa (NIPR) | Atmospheric response to solar proton events in the latest reanalysis data |
FY2024 FY2024
| Date | Speaker | |
|---|---|---|
| Ryuho Kataoka and Kiyoka Murase (NIPR) | AJ1007の状況報告 | |
| Katsumi Ida (RISH) | Installation of Hyperspectral camera for aurora imaging (HySCAI) at Antarctic Showa Station | |
| Takuji Nakamura (NIPR) | Studies of atmospheric gravity waves using airglow imaging and 3-D spectral analyses: Recent observations Rio Gallegos (51.6S, 69.3W), the Southern Patagonia near the Andes | |
| Akira Kadokura (NIPR) | Characteristics of eastward expansion of substorm auroral bulge | |
| Takanori Nishiyama (NIPR) | Orthohelium, He (23S), variability in the upper thermosphere and the lower exosphere: the NIRAS-2 observations at Longyearbyen (78.1°N, 16.0°E), Svalbard | |
| Lindis Merete Bjoland (NIPR) | Characteristics of the ambipolar electric field during ion upflow events | |
| Jonna Whemeyer (NIPR) | The Geomagnetic Storm of November 3-4, 2021: An Event Study with Focus on Ionosphere-Thermosphere Coupling above North America | |
| Tomohiro M. Nakayama (Hokkaido Univ.) | Low-Latitude Auroras Observed in Hokkaido During Weak Geomagnetic Storms | |
| Masayoshi Kozai (ROIS-DS) | Studies toward the polar conjugate observations of cosmic-ray muons | |
| Yasunobu Ogawa | Study of long-term ionospheric variations based on Tromsø Ionosonde and EISCAT radar data | |
| Taishi Hashimoto | Technical Basics of Clock in Measurement Applications | |
| Yuki Hayashi (Shinshu Univ.) | A preliminary report of the latest large space weather events in 2024 observed with ground- based neutron monitors and muon detectors | |
| Masaki Tsutsumi | Network/multi-static meteor echo observations | |
| Shigeru Fujita (ISM) | Fundamental physical processes of the solar wind-magnetosphere system in the northward IMF condition (A summary of our research over the last few years) | |
| Yoshimasa Tanaka | Survey of recent 3D reconstruction and visualization techniques | |
| Rihito Yoshida | Inertia Gravity Waves over Davis Station: Comparison of ST Radar and ERA5 Reanalysis Data | |
| Prof. Balan Nanan (Shandong Univ.) | Correction and Physical Meaning of the Missed Important Part of the Main Phase of Geomagnetic Storms | |
| Mizuki Fukizawa | Feasibility study to estimate the ion velocity field in the F-region from EISCAT_3D radar observations | |
| Tomotaka Tanaka | The impact of energetic particle precipitation on the atmosphere: Perspectives from simulation and observation | |
| Mutsumi K. Ejiri | Simultaneous observation of sporadic E and Ca+ layers at Syowa Station | |
| Ryuho Kataoka | Status report of AJ1007 project | |
| Kiyoka Murase | Toward statistical analysis of internal modulation in pulsating aurorae | |
| Yuri Ito | Relationships between the shape of pulsating aurora, the energy of precipitating electrons, and the propagation characteristics of chorus waves | |
| Dr. Joshua Pettit, NASA/GSFC | Modeling the upper atmosphere: Lessons learned from the past, implementations of the present, and creating the future | |
| Yoshihiro Tomikawa | LODEWAVE (LOng-Duration balloon Experiment of gravity WAVE over Antarctica) | |
| Bag Tikemani | Thermospheric energy budget during geomagnetic storm | |
| Sachin Alexander Reddy | AI in the Ionosphere: Advances, Insights & Prospects for Scientific Discovery |
FY2023 FY2023
| Date | Speaker | Title |
|---|---|---|
| Takanori Nishiyama | Thermoshperic He variations associated with two storms on February and March, 2023: the NIRAS-2 observations at Longyearbyen, Svalbard. | |
| Tomotaka Tanaka | 1.How effective is the mirror force for the altitude profile of electron density? 2.Review of parallel electric field in the magnetosphere. |
|
| Masaki Okada | Current Status of VLF observation at West Ongul Island | |
| Mizuki Fukizawa | Feasibility study to estimate the ion velocity field in the F region from EISCAT_3D radar observations | |
| Mitsumu Ejiri | The responses of the sodium layer to the Geminid meteor shower observed with a resonance scattering lidar | |
| Shigeru Fujita (ISM) | Understanding the interaction between the solar wind system and the magnetosphere-ionosphere system as an interaction between the skeletal magnetic field structure and plasma dynamics | |
| Akira Kadokura | Introduction of WEB page of Data Center for Aurora | |
| Masaki Tsutsumi | A meteor wind observation technique using medium frequency and its application to existing radar systems in the northern Europe and Japan. | |
| Ryuho Kataoka | Observation data of polar-cap auroral imagers at Syowa Station | |
| Takanori Nishiyama | Temperature diagnostics for the upper mesosphere and lower thermosphere region estimated by the NIRAS-2 and the NIRAC at Longyearbyen (78°N, 16°E) | |
| Tomotaka Tanaka | Effects of mirror force for precipitating electrons on altitude profiles of electron density with ELFIN and EISCAT observations. | |
| Bag Tikemani | Does Solar Proton Event affect Thermospheric NO cooling emission? | |
| Mitsumu Ejiri | Relationship between metallic ion layer and sporadic E layer in the polar region | |
| Rihito Yoshida | Spectra and momentum flux of inertia gravity waves over Syowa Station ~Comparison between the PANSY radar and the ERA5 reanalysis~ | |
| Mizuki Fukizawa | Feasibility study of ionospheric ion velocity reconstruction method for monostatic and multi-beam EISCAT_3D radar observation | |
| Yasunobu Ogawa | Study of upper atmosphere cooling using EISCAT and ionosonde data | |
| Kiyoka Murase | Atmospheric ionization impact of EMIC-wave driven energetic electron precipitations | |
| Akira Sessai Yukimatu | SuperDARN recent update | |
| Taishi Hashimoto | Antenna Array Calibration in EISCAT_3D | |
| Masayohi Kozai | Cosmic-ray anisotropy and interplanetary space | |
| Wehmeyer Jonna Marie | Development of a numerical scheme strictly satisfying Gauss's laws for the full two-fluid plasma model | |
| Yoshihiro Tomikawa | Preparations for LODEWAVE Phase II | |
| Ryuho Kataoka | Emulating the ionospheric outputs of a global MHD simulation by a machine learning technique |
FY2022 FY2022
| Date | Speaker | Title |
|---|---|---|
| 吉田理人 (R. Yosida) | Inertia gravity waves over Davis Station ~Comparison between the ST radar and the ERA5 reanalysis~ | |
| 小川泰信 (Y. Ogawa) | Current status and future prospects of the EISCAT_3D project | |
| 吹澤瑞貴 (M. Fukizawa) | Reconstruction of the three-dimensional ionospheric conductivity using Aurora Computed Tomography | |
| B. Tikemani (JSPS international fellow) | Some implications of thermospheric infrared radiative emissions | |
| 西山尚典 (T. Nishiyama) | Initial results of NIRAS-2 and NIRAC installed at KHO/UNIS, Longyearbyen, Svalbard (78.1 N, 16.0 E) | |
| Dr. Jack C. Wang, NASA Goddard Space Flight Center | Circulation at the edge of the space: how the lower thermospheric circulation couples the lower and upper atmosphere | |
| 村瀬清華 (K. Murase) | Review of the quantitative connection between energetic particle precipitation and atmospheric variabilities | |
| 堤雅基 (M. Tsutsumi) | Wave structures with a periodicity of about 15 hrs during mid-summer at northern high latitude MLT region | |
| 門倉昭 (A. Kadokura) | Introduction of some recent research papers on substorm | |
| 田中友啓 (T. Tanaka) | Simultaneous Reimei satellite and EISCAT radar observations : Effects of mirror force on ionization profiles | |
| 江尻省 (M. Ejiri) | Current status of development of a Ca/Ca+ resonance scattering lidar | |
| 行松彰 (A. Yukimatu) | SuperDARN recent update | |
| 橋本大志 (T. Hashimoto) | Project for Training Experts in Statistical Sciences - An introduction as a participant | |
| 岡田雅樹 (M. Okada) | Current situation of Upper Atmosphere Observation at West-Ongul Island of JARE63 and Operation plan of JARE64 | |
| 2nd Speaker: Gabriel Giongo, Instituto Nacional de Pesquisas Espaciais (INPE), Brazil | Overview of gravity wave observations in the Brazilian Antarctic Station Comandante Ferraz | |
| 1st Speaker: Prof. William E. Ward, University of New Brunswick, Canada | Field Widened Michelson Interferometry: New implementations | |
| 冨川喜弘 (Y. Tomikawa) | Balloon-borne water vapor observation at Syowa Station | |
| 片岡龍峰 (R. Kataoka) | Clustering occurrence of red sign events in Japanese history | |
| 村瀬清華 (K. Murase) |
1) Evaluation of atmospheric ionization by solar X-rays, solar protons, and radiation belt
electrons in September 2017 space weather event 2) Report on trip to Scandinavia in August |
|
| 堤雅基 (M. Tsutsumi) | Gravity wave activities in a wide height region of 60-110km over Syowa station, Antarctic | |
| B. Tikemani (JSPS international fellow) | TIMED-SABER satellite observations of thermospheric Nitric Oxide radiative cooling emission | |
| 西山尚典 (T. Nishiyama) | A new spectroscopic and imaging observation of SWIR aurora and airglow (1.05-1.35 μm) at Longyearbyen with EISCAT Svalbard radar | |
| 藤田茂 (S. Fujita, ISM/ROIS) | Interaction between the magnetic topology and the plasma dynamics in the solar wind-magnetosphere system (1) The preliminary results for the stationary solar wind condition | |
| 岡田雅樹 (M. Okada) | Upper Atmosphere EM Environment Monitoring at West Ongul Island | |
| 小川泰信 (Y. Ogawa) | Statistical study of high energy electron precipitation based on Arase satellite - EISCAT collaborative observation data | |
| 門倉昭 (A. Kadokura) | Electron and proton auroral activities observed at Syowa Station during 2009-2022 | |
| 江尻省 (M. Ejiri) | A possible cause of a quasi-periodic variation of Ca+ density observed at Syowa Station | |
| 行松彰 (A. Yukimatu) | SuperDARN recent update | |
| 吉田理人 (R. Yoshida) | Sporadic gravity wave events and intermittency over Syowa Station ~Comparison between the PANSY radar and the ERA5 reanalysis~ | |
| 田中良昌 (Y. Tanaka) | My recent activities at PEDSC | |
| 片岡龍峰 (R. Kataoka) | The first year of auroraXcosmic project (AJ1007) | |
| 吹澤瑞貴 (M. Fukizawa) | Generation mechanism of low-energy electron precipitation in pulsating aurora elucidated with Arase satellite, ground-based optical and radar observations, and computed tomography | |
| 冨川喜弘 (Y. Tomikawa) | Preliminary results of LODEWAVE | |
| 小財正義 (M. Kozai, PEDSC/ROIS) | Solar modulation of galactic cosmic rays observed with the ground-based detectors |
FY2021 FY2021
| Date | Speaker | Title |
|---|---|---|
| 堤雅基 (M. Tsutsumi) | Recent progress on meteor wind observations at Syowa station | |
| 西山尚典 (T. Nishiyama) | Current status of NIRAS-2 and a new SWIR imager | |
| 村瀬清華 (K. Murase) | Review of the energetic particle precipitation associated with geomagnetic storms | |
| 行松彰 (A. Yukimatu) | JARE phase X framework and issues | |
| 田中良昌 (Y. Tanaka) | Data analysis flow of auroral computed tomography considering auroral type | |
| 大山伸一郎 (S. Oyama, ISEE/Nagoya Univ., invited) | SDI-3D project | |
| 江尻省 (M. Ejiri) | Development plan of a resonance scattering lidar for simultaneous and common-volume observation of meteoric metal atom and ion | |
| 門倉昭 (A. Kadokura) | Electron and proton auroral substorm observed with the SPM at Syowa Station | |
| 行松彰 (A. Yukimatu) | Recent status of SuperDARN | |
| 小川泰信 (Y. Ogawa) | Thermospheric Joule heating rate as measured by the EISCAT radar system | |
| 岡田雅樹 (M. Okada) | Power Monitoring test of West Ongul Island UAP Monitoring Site using 920MHz-band LoRa Protocol | |
| 村瀬清華 (K. Murase) | Energetic electron precipitation during substorms: Statistical investigation of the ionization & implication from MHD simulation | |
| 橋本大志 (T. Hashimoto) | Upper-atmosphere Meteorological Observation using Air Traffic Surveillance Broadcast via Radio Communication | |
| 尾崎光紀 (M. Ozaki, Kanazawa Univ., invited) | Spatiotemporal and energy characteristics of wave-particle interaction regions deduced from flash aurora and isolated proton aurora | |
| 冨川喜弘 (Y. Tomikawa) | Current status of LODEWAVE | |
| 吉田理人 (R. Yoshida) | Characteristics and reproducibility of inertia gravity waves over Syowa Station ~Comparison between the PANSY radar and the ERA5 reanalysis~ | |
| 片岡龍峰 (R. Kataoka) | Reconstructing solar wind profiles associated with extreme magnetic storms: A machine learning approach | |
| 堤雅基 (M. Tsutsumi) | Estimation of horizontal wind structure in the Antarctic MLT region based on MF radar | |
| 藤田茂 (S. Fujita, The Institute of Statistical Mathematics, invited) | Detailed analysis of the MHD response of the magnetosphere-ionosphere system to the sudden solar wind impulse | |
| 西山尚典 (T. Nishiyama) | Sporadic Fe layer event based on wind shear theory: numerical simulation and simultaneous observation of Fe density and wind at Syowa station (69.0°S, 39.6°E) | |
| 田中良昌 (Y. Tanaka) | Spectral riometer observation at Syowa Station, Antarctica, during the JARE-63 | |
| 門倉昭 (A. Kadokura) | Auroral activity during the solar cycle 24: Observations at Syowa Station, Antarctica | |
| 水野亮 (A. Mizuno, ISEE/Nagoya Univ., invited) | Observations of minor constituents in the middle atmosphere at Syowa station by the old and the new mm-wave spectrometer – Study of the influence of solar activity on atmospheric composition – | |
| 江尻省 (M. Ejiri) | Characteristics of Ca+ thin layers observed at Syowa Station | |
| 片岡龍峰 (R. Kataoka) | 1. Auroral zone in the past 3000 years, 2. Forecasting substorms and magnetic storms by machine learning technique | |
| 小川泰信 (Y. Ogawa) | ERG-EISCAT coordinated observations and their scientific products | |
| 橋本大志 (T. Hashimoto) | Progress report on software development of EISCAT_3D | |
| 海老原祐輔 (Y. Ebihara, RISH/Kyoto Univ., invited) | Evolution of auroral substorm and energy conversion from solar wind to polar ionosphere: A view from global MHD simulation | |
| 岡田雅樹 (M. Okada) | Syowa Satellite Link Upgrade Plan and Syowa Network renewal Plan | |
| 冨川喜弘 (Y. Tomikawa) | Momentum budget of the semiannual oscillation around the tropical stratopause in the reanalysis data | |
| 吉田理人 (R. Yoshida) | Sporadic, large gravity wave events over Syowa Station in austral summer -Comparison between the PANSY radar and the ERA5 reanalysis- | |
| 村瀬清華 (K. Murase) | Mesospheric ionization due to energetic particle precipitation | |
| 堤雅基 (M. Tsutumi) | Preliminary results of PANSY/meteor wind observations |