Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry-Perot interferometer in Tromso, Norway

Oyama, SI; Aikio, A; Sakanoi, T; Hosokawa, K; Vanhamäki, H; Cai, L; Virtanen, I; Pedersen, M; Shiokawa, K; Shinbori, A; Nishitani, N; Ogawa, Y

EARTH PLANETS AND SPACE   Vol. 75 ( 1 )   2023.5

Unsolved problems: Mesoscale polar cap flow channels' structure, propagation, and effects on space weather disturbances

Lyons, LR; Nishimura, Y; Liu, J; Zou, Y; Bristow, WA; Yadav, S; Donovan, E; Nishitani, N; Shiokawa, K; Hosokawa, K

FRONTIERS IN ASTRONOMY AND SPACE SCIENCES   Vol. 10   2023.4

First Detection of Midlatitude Plasma Bubble by SuperDARN During a Geomagnetic Storm on May 27 and 28, 2017

Sori, T; Shinbori, A; Otsuka, Y; Nishioka, M; Perwitasari, S; Nishitani, N

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 128 ( 4 )   2023.4

Special issue "20th anniversary issue: earth, planetary, and space science in the next decade"

Ogawa Yasuo, Nishitani Nozomu, Furuya Masato, Acocella Valerio, Hussmann Hauke

EARTH PLANETS AND SPACE   Vol. 75 ( 1 )   2023.1

A Statistical Study of Longitudinal Extent of Pc1 Pulsations Using Seven PWING Ground Stations at Subauroral Latitudes

Liu, J; Shiokawa, K; Oyama, SI; Otsuka, Y; Jun, CW; Nose, M; Nagatsuma, T; Sakaguchi, K; Kadokura, A; Ozaki, M; Connors, M; Baishev, D; Nishitani, N; Oinats, A; Kurkin, V; Raita, T

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 128 ( 1 )   2023.1

Oscillations of the Ionosphere Caused by the 2022 Tonga Volcanic Eruption Observed With SuperDARN Radars

Zhang Jiaojiao, Xu Jiyao, Wang Wei, Wang Guojun, Ruohoniemi J. Michael, Shinbori Atsuki, Nishitani Nozomu, Wang Chi, Deng Xiang, Lan Ailan, Yan Jingye

GEOPHYSICAL RESEARCH LETTERS   Vol. 49 ( 20 )   2022.10

Geospace Concussion: Global Reversal of Ionospheric Vertical Plasma Drift in Response to a Sudden Commencement

Shi Xueling, Lin Dong, Wang Wenbin, Baker Joseph B. H., Weygand James M., Hartinger Michael D., Merkin Viacheslav G., Ruohoniemi J. Michael, Pham Kevin, Wu Haonan, Angelopoulos Vassilis, McWilliams Kathryn A., Nishitani Nozomu, Shepherd Simon G.

GEOPHYSICAL RESEARCH LETTERS   Vol. 49 ( 19 )   2022.10

Unified Theory of the Arc Auroras: Formation Mechanism of the Arc Auroras Conforming General Principles of Convection and FAC Generation

Tanaka T., Watanabe M., Ebihara Y., Fujita S., Nishitani N., Kataoka R.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 127 ( 9 )   2022.9

Interpretation of the Theta Aurora Based on the Null-Separator Structure

Tanaka T., Ebihara Y., Watanabe M., Fujita S., Nishitani N., Kataoka R.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 127 ( 8 )   2022.8

Electromagnetic conjugacy of ionospheric disturbances after the 2022 Hunga Tonga-Hunga Ha'apai volcanic eruption as seen in GNSS-TEC and SuperDARN Hokkaido pair of radars observations

Shinbori Atsuki, Otsuka Yuichi, Sori Takuya, Nishioka Michi, Perwitasari Septi, Tsuda Takuo, Nishitani Nozomu

EARTH PLANETS AND SPACE   Vol. 74 ( 1 )   2022.7

Interaction Between Proton Aurora and Stable Auroral Red Arcs Unveiled by Citizen Scientist Photographs

Nishimura Y., Bruus E., Karvinen E., Martinis C. R., Dyer A., Kangas L., Rikala H. K., Donovan E. F., Nishitani N., Ruohoniemi J. M.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 127 ( 7 )   2022.7

On the Noise Estimation in Super Dual Auroral Radar Network Data

Ponomarenko P. V, Bland E. C., McWilliams K. A., Nishitani N.

RADIO SCIENCE   Vol. 57 ( 6 )   2022.6

Small-Scale Irregularities Within Polarization Jet/SAID During Geomagnetic Activity

Sinevich A. A., Chernyshov A. A., Chugunin D. V, Oinats A. V, Clausen L. B. N., Miloch W. J., Nishitani N., Mogilevsky M. M.

GEOPHYSICAL RESEARCH LETTERS   Vol. 49 ( 8 )   2022.4

Statistical Study of Seasonal and Solar Activity Dependence of Nighttime MSTIDs Occurrence Using the SuperDARN Hokkaido Pair of Radars

Hazeyama W., Nishitani N., Hori T., Nakamura T., Perwitasari S.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 127 ( 4 )   2022.4

Multi-Scale Density Structures in the Plasmaspheric Plume During a Geomagnetic Storm

Nishimura Y., Goldstein J., Martinis C., Ma Q., Li W., Zhang S. R., Coster A. J., Mrak S., Semeter J. L., Nishitani N., Ruohoniemi J. M., Shepherd S. G.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 127 ( 3 )   2022.3

Statistical Characteristics of Mid-Latitude Ionospheric Irregularities at Geomagnetic Quiet Time: Observations From the Jiamusi and Hokkaido East SuperDARN HF Radars

Wang W., Zhang J. J., Wang C., Nishitani N., Yan J. Y., Lan A. L., Deng X., Qiu H. B.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 127 ( 1 )   2022.1

Roles of the M-I Coupling and Plasma Sheet Dissipation on the Growth-Phase Thinning and Subsequent Transition to the Onset

Tanaka T., Ebihara Y., Watanabe M., Den M., Fujita S., Kikuchi T., Hashimoto K. K., Nishitani N., Kataoka R.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 126 ( 12 )   2021.12

The Role of Flare-Driven Ionospheric Electron Density Changes on the Doppler Flash Observed by SuperDARN HF Radars

Chakraborty S., Qian L., Ruohoniemi J. M., Baker J. B. H., McInerney J. M., Nishitani N.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 126 ( 8 )   2021.8

Development of remote HF wave receiver in the backlobe direction of the SuperDARN Hokkaido East radar: Initial observations

Nishitani Nozomu, Hamaguchi Yoshiyuki, Hori Tomoaki

POLAR SCIENCE   Vol. 28   2021.6

Editorial: Special issue: "SuperDARN/Studies of Geospace Dynamics - Today and Future"

Yukimatu Akira Sessai, Grocott Adrian, Thomas Evan G., Nagatsuma Tsutomu, Nishitani Nozomu, Hosokawa Keisuke, Watanabe Masakazu

POLAR SCIENCE   Vol. 28   2021.6

Evolution of Mid-latitude Density Irregularities and Scintillation in North America During the 7-8 September 2017 Storm

Nishimura Y., Mrak S., Semeter J. L., Coster A. J., Jayachandran P. T., Groves K. M., Knudsen D. J., Nishitani N., Ruohoniemi J. M.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 126 ( 6 )   2021.6

History of Japanese SuperDARN: Initiation of SENSU Syowa radars and progress of Japanese radar project

Sato Natsuo, Ogawa Tadahiko, Yamagishi Hisao, Yukimatu Akira Sessai, Nishitani Nozomu, Kikuchi Takashi, Nozaki Kenro, Igarashi Kiyoshi, Nagatsuma Tsutomu

POLAR SCIENCE   Vol. 28   2021.6

Cusp Dynamics and Polar Cap Patch Formation Associated With a Small IMF Southward Turning

Nishimura Y., Sadler F. B., Varney R. H., Gilles R., Zhang S. R., Coster A. J., Nishitani N., Otto A.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 126 ( 5 )   2021.5

Source Region and Propagation of Dayside Large-Scale Traveling Ionospheric Disturbances

Nishimura Y., Zhang S. R., Lyons L. R., Deng Y., Coster A. J., Moen J. I, Clausen L. B., Bristow W. A., Nishitani N.

GEOPHYSICAL RESEARCH LETTERS   Vol. 47 ( 19 )   2020.10

Dayside Polar Cap Density Enhancements Formed During Substorms

Goodwin L. V., Nishimura Y., Coster A. J., Zhang S., Nishitani N., Ruohoniemi J. M., Anderson B. J., Zhang Q. -H.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 10 )   2020.10

Spatial Extent of Quasiperiodic Emissions Simultaneously Observed by Arase and Van Allen Probes on 29 November 2018

Martinez-Calderon C., Nemec F., Katoh Y., Shiokawa K., Kletzing C., Hospodarsky G., Santolik O., Kasahara Y., Matsuda S., Kumamoto A., Tsuchiya F., Matsuoka A., Shoji M., Teramoto M., Kurita S., Miyoshi Y., Ozaki M., Nishitani N., Oinats A. V., Kurkin V. I.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 9 )   2020.9

Dynamics of Auroral Precipitation Boundaries Associated With STEVE and SAID

Nishimura Y., Donovan E. F., Angelopoulos V., Nishitani N.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 8 )   2020.8

Magnetospheric Conditions for STEVE and SAID: Particle Injection, Substorm Surge, and Field-Aligned Currents

Nishimura Y., Yang J., Weygand J. M., Wang W., Kosar B., Donovan E. F., Angelopoulos V., Paxton L. J., Nishitani N.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 8 )   2020.8

On the Origin of Far-Aspect Angle Irregularity Regions Seen by HF Radars at 100-km Altitude

St-Maurice J. -P., Nishitani N.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 6 )   2020.6

A framework for estimating spherical vector fields using localized basis functions and its application to SuperDARN data processing

Nakano S., Hori T., Seki K., Nishitani N.

EARTH PLANETS AND SPACE   Vol. 72 ( 1 )   2020.4

Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements

Koustov Alexander V., Ullrich Sydney, Ponomarenko Pavlo V., Gillies Robert G., Themens David R., Nishitani Nozomu

EARTH PLANETS AND SPACE   Vol. 72 ( 1 )   2020.3

Unprecedented Hemispheric Asymmetries During a Surprise Ionospheric Storm: A Game of Drivers

Astafyeva Elvira, Bagiya Mala S., Foerster Matthias, Nishitani Nozomu

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 3 )   2020.3

First Observation of Ionospheric Convection From the Jiamusi HF Radar During a Strong Geomagnetic Storm

Zhang J. J., Wang W., Wang C., Lan A. L., Yan J. Y., Xiang D., Zhang Q. H., Ruohoniemi J. M., Kunduri B. S. R., Nishitani N., Shi X., Qiu H. B.

EARTH AND SPACE SCIENCE   Vol. 7 ( 1 )   2020.1

Method for Estimating Neutral Wind Azimuth using 2D TID Propagation Parameters

Tolstikov Maxim V, Oinats Alexey V, Medvedeva Irina V, Nishitani Nozomu

2020 XXXIIIRD GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM OF THE INTERNATIONAL UNION OF RADIO SCIENCE     2020

Sluggishness of the Ionosphere: Characteristic time-lag in Response to Solar Flares

Chakraborty S., Ruohoniemi J. M., Baker J. B. H., Fiori R. A. D., Zawdie K. A., Bailey S., Nishitani N., Drob D.

2020 XXXIIIRD GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM OF THE INTERNATIONAL UNION OF RADIO SCIENCE     2020

Occurrence of F region echoes for the polar cap SuperDARN radars

Koustov Alexander V., Ullrich Sydney, Ponomarenko Pavlo V., Nishitani Nozomu, Marcucci Federica M., Bristow William A.

EARTH PLANETS AND SPACE   Vol. 71 ( 1 )   2019.10

Special issue "Recent Advances in MST and EISCAT/Ionospheric Studies - Special Issue of the Joint MST15 and EISCAT18 Meetings, May 2017" PREFACE

Yamamoto Mamoru, Hocking Wayne K., Nozawa Satonori, Vierinen Juha, Liu Huixin, Nishitani Nozomu

EARTH PLANETS AND SPACE   Vol. 71 ( 1 )   2019.9

A Study of SuperDARN Response to Co-occurring Space Weather Phenomena

Chakraborty S., Baker J. B. H., Ruohoniemi J. M., Kunduri B., Nishitani N., Shepherd S. G.

SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS   Vol. 17 ( 9 ) page： 1351-1363   2019.9

Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radars (vol 6 , pg 27, 2019)

Nishitani Nozomu, Ruohoniemi John Michael, Lester Mark, Baker Joseph Benjamin Harold, Koustov Alexandre Vasilyevich, Shepherd Simon G., Chisham Gareth, Hori Tomoaki, Thomas Evan G., Makarevich Roman A., Marchaudon Aurelie, Ponomarenko Pavlo, Wild James A., Milan Stephen E., Bristow William A., Devlin John, Miller Ethan, Greenwald Raymond A., Ogawa Tadahiko, Kikuchi Takashi

PROGRESS IN EARTH AND PLANETARY SCIENCE   Vol. 6   2019.7

Global Diagnostics of Ionospheric Absorption During X-Ray Solar Flares Based on 8-to 20-MHz Noise Measured by Over-the-Horizon Radars

Berngardt O. I, Ruohoniemi J. M., St-Maurice J-P, Marchaudon A., Kosch M. J., Yukimatu A. S., Nishitani N., Shepherd S. G., Marcucci M. F., Hu H., Nagatsuma T., Lester M.

SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS   Vol. 17 ( 6 ) page： 907 - 924   2019.6

Response of the Ionosphere-Plasmasphere Coupling to the September 2017 Storm:What Erodes the Plasmasphere so Severley?

Obana Yuki, Maruyama Naomi, Shinbori Atsuki, Hashimoto Kumiko K., Fedrizzi Mariangel, Nose Masahito, Otsuka Yuichi, Nishitani Nozomu, Hori Tomoaki, Kumamoto Atsushi, Tsuchiya Fuminori, Matsuda Shoya, Matsuoka Ayako, Kasahara Yoshiya, Yoshikawa Akimasa, Miyoshi Yoshizumi, Shinohara Iku

SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS   Vol. 17 ( 6 ) page： 861 - 876   2019.6

Local time extent of magnetopause reconnection using space-ground coordination

Zou Ying, Walsh Brian M., Nishimura Yukitoshi, Angelopoulos Vassilis, Ruohoniemi J. Michael, McWilliams Kathryn A., Nishitani Nozomu

ANNALES GEOPHYSICAE   Vol. 37 ( 2 ) page： 215 - 234   2019.4

Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radars

Nishitani Nozomu, Ruohoniemi John Michael, Lester Mark, Baker Joseph Benjamin Harold, Koustov Alexandre Vasilyevich, Shepherd Simon G., Chisham Gareth, Hori Tomoaki, Thomas Evan G., Makarevich Roman A., Marchaudon Aurelie, Ponomarenko Pavlo, Wild James A., Milan Stephen E., Bristow William A., Devlin John, Miller Ethan, Greenwald Raymond A., Ogawa Tadahiko, Kikuchi Takashi

PROGRESS IN EARTH AND PLANETARY SCIENCE   Vol. 6   2019.3

Visualization of rapid electron precipitation via chorus element wave-particle interactions

Ozaki Mitsunori, Miyoshi Yoshizumi, Shiokawa Kazuo, Hosokawa Keisuke, Oyama Shin-ichiro, Kataoka Ryuho, Ebihara Yusuke, Ogawa Yasunobu, Kasahara Yoshiya, Yagitani Satoshi, Kasaba Yasumasa, Kumamoto Atsushi, Tsuchiya Fuminori, Matsuda Shoya, Katoh Yuto, Hikishima Mitsuru, Kurita Satoshi, Otsuka Yuichi, Moore Robert C., Tanaka Yoshimasa, Nose Masahito, Nagatsuma Tsutomu, Nishitani Nozomu, Kadokura Akira, Connors Martin, Inoue Takumi, Matsuoka Ayako, Shinohara Iku

NATURE COMMUNICATIONS   Vol. 10   2019.1

Spatiotemporal development of pulsating auroral patch associated with discrete chorus elements: Arase and PWING observations

Ozaki M., Shiokawa K., Miyoshi Y., Hosokawa K., Oyama S., Yagitani S., Kasahara Y., Kasaba Y., Matsuda S., Kataoka R., Ebihara Y., Ogawa Y., Otsuka Y., Kurita S., Moore R. C., Tanaka Y. -M., Nose M., Nagatsuma T., Connors M., Nishitani N., Hikishima M., Kumamoto A., Tsuchiya F., Kadokura A., Nishiyama T., Inoue T., Imamura K., Matsuoka A., Shinohara I.

2019 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (AP-RASC)     page： .   2019

PRELIMINARY RESULTS OF SIMULTANEOUS RECORDING OF AURORAL AND GEOMAGNETIC PULSATIONS AT THE ISTP SB RAS STATION ISTOK

Beletskii A. B., Rakhmatulin R. A., Syrenova T. Ye, Vasilev R. V., Mikhalev A. V, Pashinin A. Yu, Shiokawa K., Nishitani N.

SOLAR-TERRESTRIAL PHYSICS   Vol. 5 ( 2 ) page： 39 - 44   2019

Relation of Traveling Ionospheric Disturbances Characteristics with Planetary Waves in the Middle Atmosphere

Tolstikov M. V, Oinats A. V, Medvedeva I. V, Medvedev A. V, Ratovsky K. G., Nishitani N.

2019 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS-SPRING)     page： 2176 - 2182   2019

Microscopic Observations of Pulsating Aurora Associated With Chorus Element Structures: Coordinated Arase Satellite-PWING Observations

Ozaki M., Shiokawa K., Miyoshi Y., Hosokawa K., Oyama S., Yagitani S., Kasahara Y., Kasaba Y., Matsuda S., Kataoka R., Ebihara Y., Ogawa Y., Otsuka Y., Kurita S., Moore R. C., Tanaka Y. -M., Nose M., Nagatsuma T., Connors M., Nishitani N., Katoh Y., Hikishima M., Kumamoto A., Tsuchiya F., Kadokura A., Nishiyama T., Inoue T., Imamura K., Matsuoka A., Shinohara I.

GEOPHYSICAL RESEARCH LETTERS   Vol. 45 ( 22 ) page： 12125-12134   2018.11

Driving of strong nightside reconnection and geomagnetic activity by polar cap flows: Application to CME shocks and possibly other situations

Lyons L. R., Gallardo-Lacourt B., Zou Y., Nishimura Y., Anderson P., Angelopoulos V., Donovan E. F., Ruohoniemi J. M., Mitchell E., Paxton L. J., Nishitani N.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS   Vol. 177   page： 73-83   2018.10

Substorm-Associated Ionospheric Flow Fluctuations During the 27 March 2017 Magnetic Storm: SuperDARN-Arase Conjunction

Hori T., Nishitani N., Shepherd S. G., Ruohoniemi J. M., Connors M., Teramoto M., Nakano S., Seki K., Takahashi N., Kasahara S., Yokota S., Mitani T., Takashima T., Higashio N., Matsuoka A., Asamura K., Kazama Y., Wang S. -Y., Tam S. W. Y., Chang T. -F., Wang B. -J., Miyoshi Y., Shinohara I.

GEOPHYSICAL RESEARCH LETTERS   Vol. 45 ( 18 ) page： 9441-9449   2018.9

A New Empirical Model of the Subauroral Polarization Stream

Kunduri B. S. R., Baker J. B. H., Ruohoniemi J. M., Nishitani N., Oksavik K., Erickson P. J., Coster A. J., Shepherd S. G., Bristow W. A., Miller E. S.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 123 ( 9 ) page： 7342-7357   2018.9

Temporal and Spatial Variations of Storm Time Midlatitude Ionospheric Trough Based on Global GNSS-TEC and Arase Satellite Observations

Shinbori Atsuki, Otsuka Yuichi, Tsugawa Takuya, Nishioka Michi, Kumamoto Atsushi, Tsuchiya Fuminori, Matsuda Shoya, Kasahara Yoshiya, Matsuoka Ayako, Ruohoniemi J. Michael, Shepherd Simon G., Nishitani Nozomu

GEOPHYSICAL RESEARCH LETTERS   Vol. 45 ( 15 ) page： 7362-7370   2018.8

Attenuation of decameter wavelength sky noise during x-ray solar flares in 2013-2017 based on the observations of midlatitude HF radars

Berngardt O. I., Ruohoniemi J. M., Nishitani N., Shepherd S. G., Bristow W. A., Miller E. S.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS   Vol. 173   page： 1-13   2018.8

The ERG Science Center

Miyoshi Yoshizumi, Hori Tomoaki, Shoji Masafumi, Teramoto Mariko, Chang T. F., Segawa Tomonori, Umemura Norio, Matsuda Shoya, Kurita Satoshi, Keika Kunihiro, Miyashita Yukinaga, Seki Kanako, Tanaka Yoshimasa, Nishitani Nozomu, Kasahara Satoshi, Yokota Shoichiro, Matsuoka Ayako, Kasahara Yoshiya, Asamura Kazushi, Takashima Takeshi, Shinohara Iku

EARTH PLANETS AND SPACE   Vol. 70   2018.6

Characterization of Short-Wave Fadeout Seen in Daytime SuperDARN Ground Scatter Observations

Chakraborty S., Ruohoniemi J. M., Baker J. B. H., Nishitani N.

RADIO SCIENCE   Vol. 53 ( 4 ) page： 472-484   2018.4

Spreading Speed of Magnetopause Reconnection X-Lines Using Ground-Satellite Coordination

Zou Ying, Walsh Brian M., Nishimura Yukitoshi, Angelopoulos Vassilis, Ruohoniemi J. Michael, McWilliams Kathryn A., Nishitani Nozomu

GEOPHYSICAL RESEARCH LETTERS   Vol. 45 ( 1 ) page： 80-89   2018.1

Influence of Auroral Streamers on Rapid Evolution of Ionospheric SAPS Flows

Gallardo-Lacourt Bea, Nishimura Y., Lyons L. R., Mishin E. V., Ruohoniemi J. M., Donovan E. F., Angelopoulos V., Nishitani N.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 122 ( 12 ) page： 12406-12420   2017.12

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

Shiokawa Kazuo, Katoh Yasuo, Hamaguchi Yoshiyuki, Yamamoto Yuka, Adachi Takumi, Ozaki Mitsunori, Oyama Shin-Ichiro, Nose Masahito, Nagatsuma Tsutomu, Tanaka Yoshimasa, Otsuka Yuichi, Miyoshi Yoshizumi, Kataoka Ryuho, Takagi Yuki, Takeshita Yuhei, Shinbori Atsuki, Kurita Satoshi, Hori Tomoaki, Nishitani Nozomu, Shinohara Iku, Tsuchiya Fuminori, Obana Yuki, Suzuki Shin, Takahashi Naoko, Seki Kanako, Kadokura Akira, Hosokawa Keisuke, Ogawa Yasunobu, Connors Martin, Ruohoniemi J. Michael, Engebretson Mark, Turunen Esa, Ulich Thomas, Manninen Jyrki, Raita Tero, Kero Antti, Oksanen Arto, Back Marko, Kauristie Kirsti, Mattanen Jyrki, Baishev Dmitry, Kurkin Vladimir, Oinats Alexey, Pashinin Alexander, Vasilyev Roman, Rakhmatulin Ravil, Bristow William, Karjala Marty

EARTH PLANETS AND SPACE   Vol. 69   2017.11

Special Issue "Global data systems for the study of solar-terrestrial variability"

Watanabe Takashi, Iyemori Toshihiko, Shiokawa Kazuo, Zhang Jie, Kanekal Shrikanth G., Nishitani Nozomu

EARTH PLANETS AND SPACE   Vol. 69   2017.11

SC-Associated Electric Field Variations in the Magnetosphere and Ionospheric Convective Flows

Kim S. -I., Kim K. -H., Kwon H. -J., Jin H., Lee E., Jee G., Nishitani N., Hori T., Lester M., Wygant J. R.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 122 ( 11 ) page： 11044-11057   2017.11

Propagation and evolution of electric fields associated with solar wind pressure pulses based on spacecraft and ground-based observations

Takahashi N., Kasaba Y., Nishimura Y., Shinbori A., Kikuchi T., Hori T., Ebihara Y., Nishitani N.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 122 ( 8 ) page： 8446-8461   2017.8

First imaging and identification of a noctilucent cloud from multiple sites in Hokkaido (43.2-44.4 N), Japan Reviewed

Hidehiko Suzuki, Kazuyo Sakanoi, Nozomu Nishitani, Tadahiko Ogawa, Mitsumu K. Ejiri, Minoru Kubota, Takenori Kinoshita, Yasuhiro Murayama and Yasushi Fujiyoshi

Earth, Planets and Space   Vol. 68:182   2016.11

Application of ground scatter returns for calibration of HF interferometry data Reviewed

Ponomarenko, P., N. Nishitani, A.V. Oinats, T. Tsuya and J.-P. St.-Maurice

Earth Planets Space   Vol. 67 ( 138 )   2015.8

Occurrence characteristics and lowest speed limit of Sub-Auroral Polarization Stream (SAPS) observed by the SuperDARN Hokkaido East radar Reviewed

Nagano, H., N. Nishitani, and T. Hori

Earth Planets Space   Vol. 67 ( 126 )   2015.8

Statistical study of medium-scale traveling ionospheric disturbances using SuperDARN Hokkaido ground backscatter data for 2011 Reviewed

Oinats, A.V., V.I. Kurkin, and N. Nishitani

Earth Planets Space   Vol. 67 ( 22 )   2015.2

Pi2 pulsation simultaneously observed in the E and F region ionosphere with the SuperDARN Hokkaido radar Reviewed

Teramoto, M., N. Nishitani, V. Pilipenko, T. Ogawa, K. Shiokawa, T. Nagatsuma, A. Yoshikawa, D. Baishev, and K. T. Murata

J. Geophys. Res.   Vol. 119   page： 3444-3462   2014.5

Hokkaido HF radar signatures of periodically reoccurring nighttime MSTIDs detected at short ranges Reviewed

Koustov, A.V., K. N. Yakymenko, N. Nishitani, and P. V. Ponomarenko

J. Geophys. Res.   Vol. 119   page： 1200-1218   2014.2

Study of mid-latitude ionospheric convection during quiet and disturbed periods using the SuperDARN Hokkaido radar Reviewed

Zou, Y., and N. Nishitani

Advances in Space Research   Vol. 54   page： 473-480   2014.1

Northward-propagating nighttime medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido HF radar and GEONET Reviewed

Ichihara, A., N. Nishitani, T. Ogawa, and T. Tsugawa

Advances in Polar Science     page： in press   2013

Study of ionospheric disturbances during solar flare events with the SuperDARN Hokkaido Radar Reviewed

Watanabe, D., and N. Nishitani

Adv. Polar Sci.   Vol. 24   page： 12-18   2013

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 Reviewed

Nishitani, N., T. Ogawa, Y. Otsuka, K. Hosokawa, and T. Hori

Earth Planets Space   Vol. 63   page： 891-896   2011.9

Large-Scale traveling ionospheric disturbance observed by SuperDARN Hokkaido HF radar and GPS networks on 15 December 2006 Reviewed

Hayashi, H., N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, and A. Saito

J. Geophys. Res.   Vol. 115 ( A06309 ) page： doi:10.1029/2009JA014297   2010

*Medium-scale traveling ionospheric disturbancesobserved with the SuperDARN Hokkaido radar, all-sky imager and GPS network, and their relation to concurrent sporadic-E irregularities Reviewed

Ogawa, T., N. Nishitani, Y. Otsuka, K. Shiokawa, T. Tsugawa,and K. Hosokawa

J. Geophys. Res.   Vol. 114   page： A03316, doi:10.1029/2008JA013893   2009

Joint observations of a traveling ionospheric disturbance with the Paratunka OMTI camera and the Hokkaido HF radar Reviewed

Koustov, A.V., N. Nishitani, K. Shiokawa, S. Suzuki, and B.M. Shevtsov

Ann. Geophys.   Vol. 27   page： 2399-2406   2009

Subauroral polarization streams: observations with the Hokkaido and King SalmonSuperDARN radars and modeling Reviewed

Koustov, A.V., N. Nishitani, Y. Ebihara, T. Kikuchi, M.R. Hairston, and D. Andre

Ann. Geophys.   Vol. 26   page： 3317-3327   2008

*Dynamical property of storm-time subauroral rapid flows as amanifestation of complex structures of the plasma pressure in the inner magnetosphere Reviewed

Ebihara, Y., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, M. -C. Fok and M. F. Thomsen

J. Geophys. Res.   Vol. 114   page： A01306, doi:10.1029/2008JA013614   2008

Two-dimensional observations of overshielding during a magnetic storm by the SuperDARN Hokkaido radar Reviewed

Ebihara, Y., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, and M. -C. Fok

Journal of Geophysical Research   Vol. 113 ( A01213 ) page： doi:10.1029/2007JA012641   2008

Dynamic variations of a convection flow reversal in the subauroral post-midnight sector as seen by the SuperDARN Hokkaido HF radar Reviewed

Ryuho Kataoka, Nozomu Nishitani, Yusuke Ebihara, Keisuke Hosokawa, Tadahiko Ogawa, Takashi Kikuchi, and Yoshizumi Miyoshi

Geophysical Research Letters   Vol. 32   page： L21105, doi:10.1029/2007GL031552   2007

Model calculations of possible ionospheric backscatter echo area for a mid-latitude HF radar Reviewed

Nishitani, N., and T. Ogawa

Adv. Polar Upper Atmos. Res.   Vol. 19   page： 55-62   2005.8

*Unusual ionospheric echoes with high velocity and very low spectral width observed by the SuperDARN radars in the polar cap during high geomagnetic activity Reviewed

Nishitani, N., M. Lester, S. E. Milan, T. Ogawa, N. Sato, H. Yamagishi, A. S. Yukimatu, and F. J. Rich

Journal of Geophysical Research   Vol. 109 ( A2 ) page： A02311, doi:10.1029/2003JA010048   2004.2

*Interhemispheric asymmetry of the high latitude ionospheric convection on May 11-12, 1999 Reviewed

Nishitani, N., V. Papitashvili, T. Ogawa, N. Sato, H. Yamagishi, A.S. Yukimatu, and F.J. Rich

Journal of Geophysical Research   Vol. 108 ( A5 ) page： 1184, doi:10.1029/2002JA009680   2003.5

*A study of the dusk convection cell's response to an IMF southward turning Reviewed

Nishitani, N., T. Ogawa, N. Sato, H. Yamagishi, M. Pinnock, J.-P. Villain, G. Sofko, and O. Troshichev

Journal of Geophysical Research   Vol. 107 ( A3 ) page： 10.1029/2001JA900095   2002.3

A very large scale flow burst observed by the SuperDARN radars Reviewed

Nozomu Nishitani, Tadahiko Ogawa, Mike Pinnock, Mervyn Freeman, John Dudeney, Jean-Paul Villain, Kile B. Baker, Natsuo Sato, Hisao Yamagishi, and Haruhisa Matsumoto

Journal of Geophysical Research   Vol. 104 ( 10 ) page： 22469   1999.10

Averaged Pattern of Ionospheric Echo Region and Convection : Initial Results From the Syowa Station HF radar

Proceedings of the NIPR Symposium on Upper Atmospheric Physics   Vol. 10   page： 42   1997

Spatial and Temporal Characteristics of Giant Undulations

Geophysical Research Letters   Vol. 21 ( 24 ) page： 2673   1994

Auroral activity and corresponding magnetic signatures at synchronous orbit

Journal of Geomagnetism and Geoelectricity   Vol. 40   page： 4   1988

Development of the new technique for ionospheric high frequency radars enabling measurement with a sub-second time resolution of Pc 1-band hydromagnetic waves in the Earth's ionosphere

Grant number：15K13573  2015.4 - 2018.3

Hori Tomoaki

High precision observation of ionosphere and neutral wind with new SuperDARN imaging technique

Grant number：25287129  2013.4 - 2019.3

Yukimatu Akira Sessai

Development of new methods for ionosphere dynamics research using SuperDARN and chirp sounding data

2012.4 - 2014.3

Grant-in-Aid for Scientific Research 

Nozomu Nishitani

大型短波レーダーによる中・高緯度電離圏プラズマー超高層大気相互作用の研究

2007

科学研究費補助金  基盤研究（Ｂ）（一般），課題番号：19340141

西谷　望