Papers - FUJIKI, Ken'ichi
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A Study of an Equatorial Coronal Hole Observed at the First Parker Solar Probe Perihelion Reviewed
Karna Nishu, Berger Mitchell A., Asgari-Targhi Mahboubeh, Paulson Kristoff, Fujiki Ken'ichi
ASTROPHYSICAL JOURNAL Vol. 925 ( 1 ) 2022.1
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Global Distribution of the Solar Wind Speed Reconstructed from Improved Tomographic Analysis of Interplanetary Scintillation Observations between 1985 and 2019 Reviewed
Tokumaru Munetoshi, Fujiki Ken'ichi, Kojima Masayoshi, Iwai Kazumasa
ASTROPHYSICAL JOURNAL Vol. 922 ( 1 ) 2021.11
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Coordinated Interplanetary Scintillation Observations in Japan and Russia for Coronal Mass Ejection Events in Early September 2017 Reviewed
Tokumaru Munetoshi, Fujiki Ken'ichi, Iwai Kazumasa, Tyul'bashev Sergey, Chashei Igor
SOLAR PHYSICS Vol. 294 ( 7 ) 2019.7
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Development of a coronal mass ejection arrival time forecasting system using interplanetary scintillation observations Reviewed
Iwai Kazumasa, Shiota Daikou, Tokumaru Munetoshi, Fujiki Ken'ichi, Den Mitsue, Kubo Yuki
EARTH PLANETS AND SPACE Vol. 71 2019.4
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High-latitude Conic Current Sheets in the Solar Wind Reviewed
Olga V. Khabarova, Helmi V. Malova, Roman A. Kislov, Lev M. Zelenyi, Vladimir N. Obridko, Alexander F. Kharshiladze, Munetoshi Tokumaru, Justyna M. Sokol, Stan Grzedzielski, Ken'ichi Fujiki
ASTROPHYSICAL JOURNAL Vol. 836 ( 1 ) 2017.2
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Interplanetary scintillation (IPS) analyses during LOFAR campaign mode periods that include the first three Parker Solar Probe close passes of the Sun Reviewed
Jackson, B. V. ; Tokumaru, M. ; Fallows, R. A. ; Bisi, M. M. ; Fujiki, K. ; Chashei, I. ; Tyul'bashev, S. ; Chang, O. ; Barnes, D. ; Buffington, A. ; Cota, L. ; Bracamontes, M.
Advances in Space Research Vol. 72 ( 12 ) 2023.12
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Magnetohydrodynamic simulation of coronal mass ejections using interplanetary scintillation data observed from radio sites ISEE and LOFAR Reviewed International coauthorship
Iwai, Kazumasa ; Fallows, Richard A. ; Bisi, Mario M. ; Shiota, Daikou ; Jackson, Bernard V. ; Tokumaru, Munetoshi ; Fujiki, Ken'ichi
Advances in Space Research Vol. 72 ( 12 ) 2023.12
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East-West Asymmetry in Interplanetary-Scintillation-Level Variation Associated with Solar-Wind Disturbances Invited Reviewed
Tokumaru, Munetoshi ; Nagai, Miho ; Fujiki, Ken'ichi ; Iwai, Kazumasa
Solar Physics Vol. 298 ( 11 ) 2023.11
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The Origin of Extremely Nonradial Solar Wind Outflows Invited Reviewed International coauthorship
Rout, Diptiranjan ; Janardhan, P. ; Fujiki, K. ; Chakrabarty, D. ; S. K., Bisoi
The Astrophysical Journal Vol. 950 ( 1 ) 2023.6
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Forecasting Heliospheric CME Solar-Wind Parameters Using the UCSD Time-Dependent Tomography and ISEE Interplanetary Scintillation Data: The 10 March 2022 CME Invited Reviewed International coauthorship
Jackson, Bernard V. ; Tokumaru, Munetoshi ; Iwai, Kazumasa ; Bracamontes, Matthew T. ; Buffington, Andrew ; Fujiki, Ken'ichi ; Murakami, Go ; Heyner, Daniel ; Sanchez-Cano, Beatriz ; Rojo, Mathias ; Aizawa, Sae ; Andre, Nicolas ; Barthe, Alain ; Penou, Emmanuel ; Fedorov, Andrei ; Sauvaud, Jean-Andre ; Yokota, Shoichiro ; Saito, Yoshifumi
Solar Physics Vol. 298 ( 5 ) 2023.5
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Interplanetary Scintillation Observations of Solar-Wind Disturbances During Cycles 23 and 24 Invited Reviewed
Tokumaru, Munetoshi; Fujiki, Ken'ichi; Iwai, Kazumasa
Solar Physics Vol. 298 ( 2 ) 2023.2
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Validation of coronal mass ejection arrival-time forecasts by magnetohydrodynamic simulations based on interplanetary scintillation observations Reviewed
Iwai Kazumasa, Shiota Daikou, Tokumaru Munetoshi, Fujiki Ken'ichi, Den Mitsue, Kubo Yuki
EARTH PLANETS AND SPACE Vol. 73 ( 1 ) 2021.1
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A Daily Determination of B-Z Using the Russell-McPherron Effect to Forecast Geomagnetic Activity Reviewed
Jackson B. V, Yu H-S, Buffington A., Hicks P. P., Tokumaru M., Fujiki K., Kim J., Yun J.
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS Vol. 17 ( 4 ) page: 639 - 652 2019.4
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Comparative Study of Microwave Polar Brightening, Coronal Holes, and SolarWind over the Solar Poles Reviewed
Ken'ichi Fujiki, Kiyoto Shibasaki, Seiji Yashiro, Munetoshi Tokumaru, Kazumasa Iwai, Satoshi Masuda
Solar Physics 2019.3
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Comparative Study of Microwave Polar Brightening, Coronal Holes, and SolarWind over the Solar Poles Reviewed
Ken'ichi Fujiki, Kiyoto Shibasaki, Seiji Yashiro, Munetoshi Tokumaru, Kazumasa Iwai, Satoshi Masuda
Solar Physics Vol. 294 ( 3 ) 2019.3
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Solar cycle 24: An unusual polar field reversal Reviewed
Janardhan, P, Fujiki, K, Ingale, M, Bisoi, S.~K, Rout, D
Astronomy and Astrophysics Vol. 618 2018.8
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Rarefaction of the Very Slow (<350 km/s) Solar Wind in Cycle 24 Compared With Cycle 23
Munetoshi Tokumaru, Tomoya Shimoyama, Ken'ichi Fujiki, Kazuyuki Hakamada
Journal of Geophysical Research: Space Physics Vol. 123 ( 4 ) page: 2520 - 2534 2018.4
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Relation Between Coronal Hole Areas and Solar Wind Speeds Derived from Interplanetary Scintillation Measurements
Munetoshi Tokumaru, Daiki Satonaka, Ken'ichi Fujiki, Keiji Hayashi, Kazuyuki Hakamada
SOLAR PHYSICS Vol. 292 ( 3 ) 2017.3
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LONG-TERM TREND OF SOLAR CORONAL HOLE DISTRIBUTION FROM 1975 TO 2014 Reviewed
K. Fujiki, M. Tokumaru, K. Hayashi, D. Satonaka, K. Hakamada
Astrophysical Journal Letter Vol. 827 page: 41-45 2016.8
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A Prolonged Southward IMF-Bz Event of May 02-04, 1998: Solar, Interplanetary Causes and Geomagnetic Consequences Reviewed
Bisoi, Susanta Kumar, Chakrabarty, D., Janardhan, P., Rastogi, R. G., Yoshikawa, A., Fujiki, K., Tokumaru, M., Yan, Y.
Journal of Geophisical Research (space) page: in press 2016