World's Best Scientists 2026 revealed!
Kazuo Shiokawa

Kazuo Shiokawa

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 67 1224 1084 22 19 691 16235

Kazuo Shiokawa publications per year

The chart shows the history of publications by Kazuo Shiokawa between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kazuo Shiokawa published across 36 years, from 1990 to 2025, averaging 23.8 papers a year. Output peaked at 65 publications in 2018. 56 of the 857 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 65. Peak 65 publications in 2018. 1990: 2 publications 1991: 3 publications 1992: 2 publications 1993: 2 publications 1994: 8 publications 1995: 3 publications 1996: 5 publications 1997: 7 publications 1998: 10 publications 1999: 7 publications 2000: 9 publications 2001: 7 publications 2002: 12 publications 2003: 9 publications 2004: 13 publications 2005: 20 publications 2006: 20 publications 2007: 20 publications 2008: 23 publications 2009: 40 publications 2010: 27 publications 2011: 24 publications 2012: 36 publications 2013: 29 publications 2014: 59 publications 2015: 44 publications 2016: 55 publications 2017: 53 publications 2018: 65 publications 2019: 42 publications 2020: 47 publications 2021: 38 publications 2022: 25 publications 2023: 35 publications 2024: 31 publications 2025: 25 publications
1990 2025

857 publications in total across all disciplines

View publications per year as a table
Kazuo Shiokawa: publications per year, 1990 to 2025
Year Publications
1990 2
1991 3
1992 2
1993 2
1994 8
1995 3
1996 5
1997 7
1998 10
1999 7
2000 9
2001 7
2002 12
2003 9
2004 13
2005 20
2006 20
2007 20
2008 23
2009 40
2010 27
2011 24
2012 36
2013 29
2014 59
2015 44
2016 55
2017 53
2018 65
2019 42
2020 47
2021 38
2022 25
2023 35
2024 31
2025 25
Total 857
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Kazuo Shiokawa publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Kazuo Shiokawa sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 603+ publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 691 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100 691
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Kazuo Shiokawa D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Kazuo Shiokawa sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 67 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 67 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92 67
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Kazuo Shiokawa is affiliated with Nagoya University in Japan and conducts research primarily in the fields of Physics and Astronomy, as well as Earth and Planetary Sciences. Their work spans several subfields, including Astronomy and Astrophysics, Geophysics, Molecular Biology, Aerospace Engineering, and Atmospheric Science.

The scientist focuses on topics such as ionosphere and magnetosphere dynamics, solar and space plasma dynamics, earthquake detection and analysis, geomagnetism and paleomagnetism studies, GNSS positioning and interference, atmospheric ozone and climate, and astro and planetary science.

Frequent coauthors working alongside Kazuo Shiokawa include Yoshizumi Miyoshi, Yuichi Otsuka, Shin-ichiro Oyama, Yoshiya Kasahara, and Martin Connors. These collaborations are evident in many of the publications and research projects associated with Shiokawa.

Shiokawa has published extensively in several prominent scientific journals. The venues with the highest number of publications include:

  • Journal of Geophysical Research Space Physics
  • Geophysical Research Letters
  • Earth Planets and Space
  • Journal of Atmospheric and Solar-Terrestrial Physics
  • Advances in Space Research

Recent papers authored or coauthored by Shiokawa demonstrate the range and focus of their research interests:

  • Multiple time-scale beats in aurora: precise orchestration via magnetospheric chorus waves (2020, Scientific Reports)
  • Predictability of variable solar-terrestrial coupling (2021, Annales Geophysicae)
  • Collaborative Research Activities of the Arase and Van Allen Probes (2022, Space Science Reviews)
  • Oxygen torus and its coincidence with EMIC wave in the deep inner magnetosphere: Van Allen Probe B and Arase observations (2020, Earth Planets and Space)
  • Equatorial Plasma Bubble Occurrence Under Propagation of MSTID and MLT Gravity Waves (2020, Journal of Geophysical Research Space Physics)

Best Publications

  • The GEOTAIL Magnetic Field Experiment.

    Susumu Kokubun;Tatsundo Yamamoto;Mario H. Acuña;Kanji Hayashi

  • Braking of high‐speed flows in the near‐Earth tail

    K. Shiokawa;W. Baumjohann;G. Haerendel

  • High-speed ion flow, substorm current wedge, and multiple Pi 2 pulsations

    K. Shiokawa;W. Baumjohann;G. Haerendel;G. Paschmann

  • Precipitation of radiation belt electrons by EMIC waves, observed from ground and space

    Y. Miyoshi;K. Sakaguchi;K. Shiokawa;D. Evans

  • Statistical study of nighttime medium‐scale traveling ionospheric disturbances using midlatitude airglow images

    K. Shiokawa;C. Ihara;C. Ihara;Y. Otsuka;T. Ogawa

  • Geospace exploration project ERG

    Yoshizumi Miyoshi;Iku Shinohara;Takeshi Takashima;Kazushi Asamura

  • Geomagnetic conjugate observations of medium-scale traveling ionospheric disturbances at midlatitude using all-sky airglow imagers

    Y. Otsuka;K. Shiokawa;T. Ogawa;P. Wilkinson

  • Flow braking and the substorm current wedge

    J. Birn;M. Hesse;G. Haerendel;W. Baumjohann

  • A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes

    N. Balan;N. Balan;K. Shiokawa;Y. Otsuka;T. Kikuchi

  • GPS observations of medium-scale traveling ionospheric disturbances over Europe

    Y. Otsuka;K. Suzuki;S. Nakagawa;M. Nishioka;M. Nishioka

  • Global imaging of polar cap patches with dual airglow imagers

    K. Hosokawa;S. Taguchi;K. Shiokawa;Y. Otsuka

  • Development of Optical Mesosphere Thermosphere Imagers (OMTI)

    K. Shiokawa;Y. Katoh;M. Satoh;M. K. Ejiri

  • Ground and satellite observations of nighttime medium‐scale traveling ionospheric disturbance at midlatitude

    K. Shiokawa;Y. Otsuka;C. Ihara;C. Ihara;T. Ogawa

  • Geomagnetic conjugate observations of equatorial airglow depletions

    Y. Otsuka;K. Shiokawa;T. Ogawa;P. Wilkinson

  • Super plasma fountain and equatorial ionization anomaly during penetration electric field

    N. Balan;N. Balan;K. Shiokawa;Y. Otsuka;S. Watanabe

  • Van Allen probes, NOAA, GOES, and ground observations of an intense EMIC wave event extending over 12 h in magnetic local time

    M. J. Engebretson;J. L. Posch;J. R. Wygant;C. A. Kletzing

  • The ARASE (ERG) magnetic field investigation

    Ayako Matsuoka;Mariko Teramoto;Reiko Nomura;Masahito Nosé

  • Propagation characteristics of nighttime mesospheric and thermospheric waves observed by optical mesosphere thermosphere imagers at middle and low latitudes

    K. Shiokawa;Y. Otsuka;T. Ogawa

  • Simultaneous observations of nighttime medium-scale traveling ionospheric disturbances and E region field-aligned irregularities at midlatitude

    Y. Otsuka;F. Onoma;K. Shiokawa;T. Ogawa

  • Multiple time-scale beats in aurora: precise orchestration via magnetospheric chorus waves.

    K. Hosokawa;Y. Miyoshi;M. Ozaki;S.-I. Oyama;S.-I. Oyama;S.-I. Oyama

  • Ground and satellite observations of nighttime medium-scale traveling ionospheric disturbance at midlatitude

    Y. Otsuka;K. Shiokawa;C. Ihara;T. Ogawa

Frequent Co-Authors

Yuichi Otsuka
Yuichi Otsuka Nagoya University
Yoshizumi Miyoshi
Yoshizumi Miyoshi Nagoya University
Tadahiko Ogawa
Tadahiko Ogawa National Institute of Information and Communications Technology
Ryuho Kataoka
Ryuho Kataoka National Institute of Polar Research
Takuji Nakamura
Takuji Nakamura National Institute of Polar Research
Atsushi Kumamoto
Atsushi Kumamoto Tohoku University
Yusuke Ebihara
Yusuke Ebihara Kyoto University
Mamoru Yamamoto
Mamoru Yamamoto Kyoto University
Kiyohumi Yumoto
Kiyohumi Yumoto Kyushu University
Eric Donovan
Eric Donovan University of Calgary

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