World's Best Scientists 2026 revealed!
Hiroshi Wakita

Hiroshi Wakita

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Earth Science 57 2311 49 167 9832

Hiroshi Wakita publications per year

The chart shows the history of publications by Hiroshi Wakita between 1964 and 2015, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Wakita published across 52 years, from 1964 to 2015, averaging 3.3 papers a year. Output peaked at 11 publications in 1996. 3 of the 170 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1964 to 2015. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 1996. 1964: 1 publication 1965: 0 publications 1966: 0 publications 1967: 3 publications 1968: 3 publications 1969: 0 publications 1970: 6 publications 1971: 1 publication 1972: 3 publications 1973: 1 publication 1974: 2 publications 1975: 1 publication 1976: 1 publication 1977: 2 publications 1978: 2 publications 1979: 0 publications 1980: 5 publications 1981: 0 publications 1982: 5 publications 1983: 2 publications 1984: 2 publications 1985: 7 publications 1986: 7 publications 1987: 8 publications 1988: 8 publications 1989: 6 publications 1990: 8 publications 1991: 10 publications 1992: 5 publications 1993: 9 publications 1994: 5 publications 1995: 10 publications 1996: 11 publications 1997: 8 publications 1998: 3 publications 1999: 6 publications 2000: 2 publications 2001: 1 publication 2002: 2 publications 2003: 1 publication 2004: 4 publications 2005: 0 publications 2006: 1 publication 2007: 1 publication 2008: 1 publication 2009: 0 publications 2010: 0 publications 2011: 0 publications 2012: 0 publications 2013: 3 publications 2014: 2 publications 2015: 1 publication
1964 2015

170 publications in total across all disciplines

View publications per year as a table
Hiroshi Wakita: publications per year, 1964 to 2015
Year Publications
1964 1
1965 0
1966 0
1967 3
1968 3
1969 0
1970 6
1971 1
1972 3
1973 1
1974 2
1975 1
1976 1
1977 2
1978 2
1979 0
1980 5
1981 0
1982 5
1983 2
1984 2
1985 7
1986 7
1987 8
1988 8
1989 6
1990 8
1991 10
1992 5
1993 9
1994 5
1995 10
1996 11
1997 8
1998 3
1999 6
2000 2
2001 1
2002 2
2003 1
2004 4
2005 0
2006 1
2007 1
2008 1
2009 0
2010 0
2011 0
2012 0
2013 3
2014 2
2015 1
Total 170
Download as CSV

Hiroshi Wakita 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 Hiroshi Wakita 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, 158–167 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: 167 publications — 48th percentile

48% 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
158–167 458 167
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
Download as CSV

Hiroshi Wakita 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 Hiroshi Wakita 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, 57 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: 57 D-Index — 76th percentile

76% 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 57
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
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
Download as CSV

Overview

Hiroshi Wakita is affiliated with the University of Tokyo in Japan, contributing to academic research primarily through work published in recognized scientific venues. Their research output includes at least one documented paper in the field of lightwave technology.

Among the recent publications is a paper titled Table of Contents, published in 2021 in the Journal of Lightwave Technology. This publication represents a contribution to that venue's body of work and reflects the research interests and expertise associated with that field.

The network of frequent collaborators includes several researchers with whom they have jointly published. These frequent coauthors are:

  • Elliot Evans
  • Mario Mateo
  • P Salsi
  • Pascal Pecci
  • Georg Rademacher

The primary publication venue for their work, as tracked, is the Journal of Lightwave Technology, which has published at least one paper authored or coauthored by Wakita.

Best Publications

  • Geographical distribution of 3He/4He ratios in Japan: Implications for arc tectonics and incipient magmatism

    Yuji Sano;Hiroshi Wakita

  • Trace element partition between two pyroxenes and the host lava

    Unknown

  • Venting of Carbon Dioxide-Rich Fluid and Hydrate Formation in Mid-Okinawa Trough Backarc Basin

    H. Sakai;T. Gamo;E. S. Kim;M. Tsutsumi

  • Precursory Chemical Changes in Ground Water: Kobe Earthquake, Japan

    Urumu Tsunogai;Hiroshi Wakita

  • Isotopic composition of helium, and CO2 and CH4 contents in gases produced along the New Zealand part of a convergent plate boundary

    W.F Giggenbach;Y Sano;H Wakita

  • Water wells as possible indicators of tectonic strain.

    Hiroshi Wakita

  • Radon Anomaly: A Possible Precursor of the 1978 Izu-Oshima-kinkai Earthquake.

    Hiroshi Wakita;Yuji Nakamura;Kenji Notsu;Masayasu Noguchi

  • Hydrogen release: new indicator of fault activity.

    Hiroshi Wakita;Yuji Nakamura;Itsuro Kita;Naoyuki Fujii

  • H2 generation by reaction between H2O and crushed rock: An experimental study on H2 degassing from the active fault zone

    Itsuro Kita;Sadao Matsuo;Hiroshi Wakita

  • Short-term and intermediate-term geochemical precursors

    Hiroshi Wakita;Yuji Nakamura;Yuji Sano

  • Geochemical challenge to earthquake prediction.

    Hiroshi Wakita

  • Discrete Scaling in Earthquake Precursory Phenomena: Evidence in the Kobe Earthquake, Japan

    Anders Johansen;Didier Sornette;Hiroshi Wakita;Urumu Tsunogai

  • Earthquake-related water-level changes at 16 closely clustered wells in Tono, central Japan

    C. Y. King;C. Y. King;S. Azuma;G. Igarashi;Masao Ohno

  • Unique chemistry of the hydrothermal solution in the mid-Okinawa Trough Backarc Basin

    H. Sakai;T. Gamo;E. ‐S Kim;K. Shitashima

  • Groundwater radon anomalies associated with earthquakes

    G. Igarashi;H. Wakita

  • Helium and carbon geochemistry of hydrothermal fluids from the Mid-Okinawa Trough Back Arc Basin, southwest of Japan

    J. Ishibashi;Y. Sano;H. Wakita;T. Gamo

  • Precise Measurement of Helium Isotopes in Terrestrial Gases

    Yuji Sano;Hiroshi Wakita

  • Helium-3 emission related to volcanic activity.

    Yuji Sano;Yuji Nakamura;Hiroshi Wakita;Akiko Urabe

  • Tidal responses and earthquake-related changes in the water level of deep wells

    G. Igarashi;H. Wakita

  • Peculiar features of Suiyo Seamount hydrothermal fluids, Izu-Bonin Arc: Differences from subaerial volcanism

    U. Tsunogai;J. Ishibashi;H. Wakita;T. Gamo

  • A method for continuous measurement of radon in groundwater for earthquake prediction

    Masayasu Noguchi;Hiroshi Wakita

Frequent Co-Authors

Yuji Sano
Yuji Sano Kōchi University
Kenji Notsu
Kenji Notsu University of Tokyo
Jun-ichiro Ishibashi
Jun-ichiro Ishibashi Kobe University
Toshitaka Gamo
Toshitaka Gamo University of Tokyo
Urumu Tsunogai
Urumu Tsunogai Nagoya University
Sheng Xu
Sheng Xu Tianjin University
Nemesio M. Pérez
Nemesio M. Pérez Instituto Volcanológico de Canarias (INVOLCAN)
Yukihiro Nojiri
Yukihiro Nojiri National Institute for Environmental Studies
Keisuke Nagao
Keisuke Nagao University of Tokyo
Toshiyuki Tanaka
Toshiyuki Tanaka Hyogo University of Health Sciences

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in expanding their knowledge beyond Earth Science, pursuing related online degrees can open diverse career opportunities. Many seniors are turning to streamlined options like one year degrees for seniors, which offer focused, accelerated learning paths without a lengthy time commitment.

If your interest lies in information management or archiving geological data, programs recognized by the American Library Association play a crucial role. Exploring ala accredited schools ensures your degree meets rigorous industry standards and enhances your professional credibility.

Wondering, is a library science degree worth it? For Earth Science graduates, it can be a valuable complement, enabling roles in data curation, research support, and educational services within scientific communities.

Additionally, careers involving visual documentation of landscapes and environmental changes benefit from creative skills. Consider online programs like the online photography degree to blend artistry with scientific observation, enhancing both your résumé and practical expertise.

Best Scientists Citing Hiroshi Wakita

Recently Published Articles